Goldstone Asteroid Schedule

Upcoming Goldstone Observations

Last update: 2024 March 18 https://echo.jpl.nasa.gov/asteroids/goldstone_asteroid_schedule.html PAST Goldstone schedules, dating back to Dec. 2001, are listed below upcoming targets Goldstone Schedule in csv format Virtually ALL of the upcoming radar targets need physical observations for estimation of pole directions, rotation periods, lightcurve amplitudes, spectral classes, diameters, and optical albedos. Needs Closest DSS-14 Peak Target Astrometry? H (mag) Approach SNR/date 2024 Mar 18 2024 EN No 24.5 0.0099 au 11000 DSS13 > GBT 2024 Apr 10 363599 2004 FG11 No 21.0 R3 PHA 0.052 au 34 Binary 2024 Apr 10-17 517681 2015 DE198 No 18.7 PHA 0.047 au 1200 2024 Apr 13 2023 FN13 Yes 27.2 0.0085 au 210* 2024 Apr 13-19 439437 2013 NK4 No 18.7 PHA 0.022 au 5600 2024 Apr 15-16 2020 BP13 No 21.3 PHA 0.039 au 22 2024 May 14-19 2009 BJ81 No 18.3 0.121 au 87 Very slow rotator. 2024 May 20-28 388945 2008 TZ3 No 20.4 R2 PHA 0.075 au 86 2024 Jun 15, 18 504034 2005 UJ159 No 17.7 PHA 0.073 au 66* 2024 Jun 26- 3 415029 2011 UL21 No 15.8 PHA 0.044 au 1400 2024 Jun 30- 3 2017 MB3 Yes 25.4 R1 0.013 au 290 NHATS 2024 Jul 20-21 2011 AM24 No 20.5 PHA 0.043 au 290 NHATS 2024 Jul 523664 2012 OD1 Yes 18.6 PHA 0.038 au 720 2024 Jul 2011 MW1 No 22.3 0.026 au 130 NHATS 2024 Sep 2013 FW13 Yes 21.8 PHA 0.022 au 710 2024 Sep 2020 GE Yes 28.5 0.005 au 1700 NHATS. Former NEA Scout mission target. 2024 Oct 363027 1998 ST27 No 19.5 R2 PHA 0.024 au 9400 Binary 2024 Oct 2020 WG YES 21.7 PHA 0.022 au 640 2024 Oct 450649 2006 UY64 No 19.5 0.057 au 64* 2024 Nov 66146 1998 TU3 No 14.6 R3 0.089 au 29 2024 Nov 2020 UL3 No 23.2 0.010 au 1800 2024 Nov-Dec 2006 WB Yes 22.8 R1 0.006 au 27000 NHATS 2024 Nov-Dec 175706 1996 FG3 No 18.4 R1 PHA 0.180 au 15 Binary NHATS 2024 Nov-Dec 447755 2007 JX2 No 19.7 PHA 0.037 au 370 2024 Nov-Dec 2020 XR No 19.8 PHA 0.015 au 3900 2024 Dec 163899 2003 SD220 No 17.3 R4 PHA 0.088 au 320 NHATS 2024 Dec 458122 2010 EW45 No 17.7 PHA 0.055 au 210 2024 Dec 377097 2002 WQ4 No 19.7 PHA 0.081 au 44* 2024 Dec-Jan 887 Alinda No 13.8 0.082 au 1600 2025 Jan 2020 BC6 No 20.8 PHA 0.025 au 55 2025 Jan 265196 2004 BW58 No 18.8 PHA 0.072 au 46 2025 Feb 2012 PB20 Yes 24.9 0.010 au 440 2025 Feb 2015 BK509 No 22.4 0.024 au 47 2025 Mar 137126 1999 CF9 No 18.1 R1 PHA 0.053 au 180 2025 Mar 535844 2015 BY310 No 21.7 PHA 0.027 au 35 NHATS 2025 Mar 66008 1998 QH2 No 16.0 0.078 au 180 2025 Mar 2014 TN17 No 21.5 PHA 0.034 au 92 2025 Apr 85953 1999 FK21 No 18.1 0.081 au 150 2025 Apr 2007 SQ6 Yes 21.9 PHA 0.028 au 290 NHATS 2025 Apr 436030 2009 JO2 No 19.4 0.057 au 69 2025 Apr 462959 2011 DU No 21.0 R1 PHA 0.033 au 630 2025 May 612356 2002 JX8 Yes 20.0 PHA 0.029 au 1200 2025 May 2011 HJ7 No 22.2 0.017 au 590 2025 May 154276 2002 SY50 No 17.6 R1 PHA 0.070 au 110 2025 May 387746 2003 MH4 No 20.0 PHA 0.045 au 120 2025 May 390725 2003 HB No 19.7 PHA 0.047 au 130 2025 Jun 2014 HQ124 No 18.9 R1 PHA 0.072 au 92 2025 Jun 424482 2008 DG5 No 19.4 PHA 0.023 au 2700 NHATS 2025 Jun 527715 2007 YQ56 No 20.0 PHA 0.077 au 62 2025 Jun 2003 AY2 Yes 19.2 PHA 0.036 au 120 2025 Jul 35107 1991 VH No 16.7 R1 PHA 0.078 au 110 Binary NHATS 2025 Aug 1997 QK1 No 20.3 PHA 0.020 au 3900 2025 Aug 1998 SH2 No 20.8 PHA 0.021 au 180 2025 Aug 2021 PJ1 Yes 25.8 R1 0.011 au 200 2025 Sep 2009 FF No 21.8 PHA 0.017 au 1900 2025 Sep 152664 1998 FW4 No 17.4 R2 PHA 0.026 au 1500 2025 Oct 434196 2003 HG2 No 21.3 PHA 0.045 au 41 2025 Nov 516155 2016 DP Yes 20.2 PHA 0.032 au 450 2025 Nov 3361 Orpheus No 19.0 R2 PHA 0.038 au 90 2025 Nov-Dec 2007 VM184 No 21.0 PHA 0.033 au 290 2025 Dec-Jan 220839 2004 VA No 17.5 PHA 0.096 au 36 2026 Jan 242708 2005 UK1 No 18.1 R1 PHA 0.083 au 160 2026 Feb 162882 2001 FD58 No 18.7 R1 PHA 0.043 au 530 2026 Feb 2007 DB61 No 23.7 0.023 au 42 NHATS 2026 Feb-Mar 500080 2011 WV134 No 17.2 PHA 0.064 au 390 2026 Feb-Mar 244670 2003 KN18 No 18.2 0.094 au 49 ...DSS-14 goes offline for equipment modernization...(previously scheduled to begin in Aug. 2025)... 2026 Mar 2010 RA91 No 23.6 0.012 au 260 2026 Apr 2023 DZ2 No 24.2 R1 0.008 au 1300 DSS-13 2026 Apr 2002 TB70 No 21.6 PHA 0.034 au 120 2026 Apr 2013 GM3 YES 26.3 0.0017 au 320000 DSS-13 2026 May 318411 2005 AH14 No 17.1 0.094 au 92 2026 May 1943 Anteros No 15.7 R1 0.132 au 27 2026 Jun 530520 2011 LT17 No 21.6 PHA 0.041 au 38 2026 Jun 2003 LN6 Yes 24.6 0.0095 au 1600 DSS-13 NHATS 2026 Jun 152637 1997 NC1 No 17.9 PHA 0.017 au 55000 DSS-13 2026 Jul 523808 2007 ML24 Yes 19.3 PHA 0.023 au 3100 DSS-13 2026 Jul-Aug 164216 2004 OT11 No 17.3 PHA 0.082 au 59 2026 Aug 2013 QC11 Yes 21.6 PHA 0.037 au 79 2026 Aug 2019 NY2 YES 21.2 PHA 0.017 au 3000 DSS-13 2026 Aug 173561 2000 YV137 No 18.3 PHA 0.034 au 1200 DSS-13 2026 Aug 1620 Geographos No 15.3 R2 PHA 0.170 au 23 2026 Aug 221455 2006 BC10 No 19.4 PHA 0.024 au 320 2026 Aug 523609 2005 PJ2 No 19.4 PHA 0.047 au 130 2026 Aug 2017 BP31 No 19.8 PHA 0.029 au 58 2026 Aug 66146 1998 TU3 No 14.4 R3 0.090 au 79 2026 Sep-Oct 138971 2001 CB21 No 18.5 R2 PHA 0.054 au 200 2026 Oct 2002 TA69 No 18.2 0.089 au 24 2026 Nov 524522 Zoozve No 20.5 R3 PHA 0.040 au 450 aka 2002 VE68 2026 Nov 2001 KF54 No 19.8 PHA 0.048 au 32 2026 Nov 363790 2005 JE46 No 17.9 R2 PHA 0.051 au 270 2026 Nov 217628 Lugh No 16.6 PHA 0.071 au 47 2026 Dec 2016 NV No 19.8 PHA 0.037 au 310 2026 Dec-Jan 5693 1993 EA No 16.8 R1 PHA 0.053 au 580 2027 Jan 7341 1991 VK No 17.0 R4 0.068 au 83 2027 Jan 2020 OP3 Yes 21.0 PHA 0.019 au 860 OCC = 3 DSS-13 2027 Jan 2015 DG200 YES 22.2 0.0092 au 3600 OCC = 5 DSS-13 2027 Feb 2016 VO1 Yes 23.0 0.0095 au 4500 DSS-13 2027 Mar 474158 1999 FA No 20.7 PHA 0.042 au 140 NHATS 2027 Mar 535844 2015 BY310 No 21.7 PHA 0.024 au 37 NHATS 2027 Mar 506074 2015 UM67 No 18.9 PHA 0.049 au 240 2027 Apr 2009 HC Yes 24.7 0.016 au 110 2027 Apr 144901 2004 WG1 No 17.5 R1 0.065 au 920 DSS-13 2027 May 85818 1998 XM4 No 15.5 0.127 au 72 2027 Jun 4953 1990 MU No 14.1 R1 PHA 0.031 au 38000 DSS-13 2027 Jun 20236 1998 BZ7 No 17.7 0.068 au 250 2027 Jul 215588 2003 HF2 No 19.4 R1 PHA 0.054 au 140 2027 Jul 136849 1998 CS1 No 17.7 R1 PHA 0.077 au 61 2027 Aug 137108 1999 AN10 No 17.9 PHA 0.0027 au 2.3E7 ** DSS-13 2027 Aug 2019 LL5 Yes 18.4 PHA 0.073 au 40 2027 Aug-Sep 11066 Sigurd No 15.2 R1 0.124 au 93 2027 Aug-Sep 2019 DP Yes 24.1 0.0051 au 3000 DSS-13 2027 Sep 445305 2010 DM56 No 19.7 PHA 0.059 au 83 2027 Sep-Oct 68267 2001 EA16 No 17.1 0.062 au 170 2027 Oct 453707 2010 XY72 No 18.6 PHA 0.048 au 180 2027 Oct 2018 RY1 No 24.4 0.017 au 110 2027 Nov 2017 QL33 Yes 21.2 R1 PHA 0.021 au 4000 DSS-13 2027 Nov 2019 WV Yes 24.9 0.011 au 300 2027 Nov-Dec 163899 2003 SD220 No 17.6 R4 PHA 0.088 au 470 2027 Nov 2019 UT6 No 22.0 0.034 au 29 ...DSS-14 resumes operations in December 2027 after equipment modernization... ...Limited operations might resume a month or two earlier... ...Previously scheduled to resume operations in March, 2027 but the schedule changed. 2027 Dec 415949 2001 XY10 No 19.4 R1 PHA 0.058 au 210 2028 Jan 2015 AR45 Yes 19.8 PHA 0.055 au 44 2028 Jan 152964 2000 GP82 No 17.7 0.096 au 20 2028 Feb 27002 1998 DV9 No 18.3 PHA 0.063 au 110 2028 Feb 52762 1998 MT24 No 14.9 0.163 au 43 2028 Mar 88254 2001 FM129 No 17.8 R1 PHA 0.084 au 130 2028 Apr 2018 GG2 Yes 19.3 PHA 0.014 au 9200 OCC = 4 2028 Apr 491007 2011 GL62 No 19.6 0.065 au 36 2028 May 612268 2001 SG286 No 20.9 PHA 0.048 au 35 2028 May 2022 VF1 Yes 22.3 0.017 au 380 OCC = 5 2028 May-Jun 2017 HP49 Yes 22.9 0.018 au 250 OCC = 5 2028 Jun 11500 Tomaiyowit No 18.4 R2 PHA 0.089 au 190 2028 Jun 153814 2001 WN5 No 18.2 R2 PHA 0.0017 au 1.8E7 ** 2028 Jun-Jul 2023 DP1 Yes 21.2 PHA 0.030 au 200 OCC = 5 2028 Jul 331876 2004 CL No 20.6 PHA 0.0395 au 140 2028 Jul 2011 LJ19 YES 21.4 PHA 0.008 au 38000 OCC = 5 2028 Aug 482796 2013 QJ10 No 19.6 PHA 0.057 au 53 2028 Aug 2019 OM No 22.6 0.038 au 57 2028 Sep 440212 2004 OB No 18.8 PHA 0.015 au 720 2028 Sep 9856 1991 EE No 17.1 R1 PHA 0.097 au 26 2028 Sep 2018 PL23 No 19.9 PHA 0.056 au 54 2028 Sep 363067 2000 CO101 No 19.2 R1 PHA 0.061 au 110 Binary NHATS 2028 Sep 2009 CS Yes 19.7 PHA 0.061 au 56 2028 Oct 35396 1997 XF11 No 16.9 R1 PHA 0.0062 au 2.9E6 ** 2028 Nov 2009 VW Yes 21.6 PHA 0.029 au 39 2028 Nov 2021 OC5 Yes 18.3 0.085 au 39 2028 Nov 2023 GQ2 YES 19.8 PHA 0.0047 au 25000 OCC = 7. Torino Scale = 1. 2028 Nov 253106 2002 UR3 No 16.7 0.163 au 70 2028 Nov 415713 1998 XX2 No 19.9 PHA 0.020 au 180 2028 Dec 2010 BV132 Yes 21.4 PHA 0.028 au 270 2028 Dec 517103 2013 EM20 No 19.9 PHA 0.044 au 120 NHATS 2028 Dec 490581 2009 WZ104 No 20.0 R1 PHA 0.032 au 970 NHATS 2028 Dec-Jan 435548 2008 QT3 No 18.9 PHA 0.032 au 640 2028 Dec-Jan 2012 XE133 No 23.3 0.0099 au 2100 2029 Jan 435548 2008 QT3 No 18.8 PHA 0.032 au 670 2029 Jan 292220 2006 SU49 No 19.5 PHA 0.0082 au 91000 NHATS 2029 Feb 2006 DU62 No 18.0 PHA 0.054 au 110 2029 Feb 2019 CC5 No 22.0 PHA 0.025 au 260 2029 Mar 535844 2015 BY310 No 21.7 PHA 0.025 au 27 NHATS 2029 Mar 455184 2000 ED14 No 21.2 R1 PHA 0.040 au 77 2029 Mar-Apr 528807 2009 BL71 No 22.1 0.019 au 360 2029 Apr 267221 2001 AD2 No 19.7 PHA 0.031 au 1200 2029 Mar-Apr 99942 Apophis No 19.7 R5 PHA 0.00025 au 1E11 ** NHATS OSIRIS-APEX mission target 2029 Apr 88959 2001 TZ44 No 17.4 0.069 au 130 2029 May 2007 BJ29 No 18.8 PHA 0.035 au 790 2029 Jun 308242 2005 GO21 No 16.4 R2 PHA 0.0465 au 2900 2029 Jun 163348 2002 NN4 No 20.1 PHA 0.059 au 83 2029 Jun 453729 2011 BO24 No 18.8 PHA 0.051 au 120 2029 Jul 242450 2004 QY2 No 14.7 PHA 0.047 au 2100 2029 Jul 2015 BN311 No 20.5 PHA 0.040 au 76 2029 Aug 528857 2009 CT No 19.7 0.060 au 200 2029 Aug 2001 EC16 No 22.3 R1 0.062 au 79 2029 Sep 199145 2005 YY128 No 18.4 PHA 0.060 au 140 2029 Sep 2018 SX2 No 20.8 PHA 0.035 au 170 2029 Sep 2008 EM7 Yes 21.2 PHA 0.0205 au 880 2029 Sep 152664 1998 FW4 No 17.4 R2 PHA 0.026 au 3800 2029 Oct 413260 2003 TL4 No 19.6 R2 PHA 0.043 au 640 2029 Nov 249P/LINEAR Yes 0.057 au 1000 Comet Assumes D = 2 km and P = 4 h 2029 Nov 2001 AV43 No 24.4 R2 0.0021 au 330000 NHATS 2029 Nov 33342 1998 WT24 No 17.9 R2 PHA 0.050 au 120 2029 Nov 2016 VY1 No 24.7 R1 0.0067 au 2400 2029 Nov 418416 2008 LV16 No 20.3 PHA 0.019 au 1400 2029 Nov-Dec 96590 1998 XB No 16.3 R4 0.182 au 78 2029 Dec 2021 PD24 No 20.3 PHA 0.036 au 180 2029 Dec 5731 Zeus No 15.6 0.099 au 330 2029 Dec 484402 2007 XH16 No 19.7 R1 PHA 0.075 au 29 2030 Jan 2003 AF23 No 21.0 R1 PHA 0.070 au 49 2030 Jan 337866 2001 WL15 No 18.8 R1 0.067 au 100 2030 Jan 2022 BA No 21.4 PHA 0.032 au 160 2030 Feb 2001 CP36 No 23.7 R1 0.019 au 82 2030 Mar 2017 RO2 Yes 22.2 0.017 au 560 OCC = 5 2030 Mar-Apr 2022 JA2 No 19.4 PHA 0.044 au 180 2030 Apr 154269 2002 SM No 17.9 PHA 0.056 au 160 2030 Apr 194126 2001 SG276 No 17.9 R1 0.087 au 41 2030 May 2016 JD18 Yes 24.6 R1 0.018 au 420 OCC = 5 2030 Jun 2020 JU No 20.8 PHA 0.041 au 79 2030 Jun 226554 2003 WR21 No 19.6 R1 PHA 0.065 au 70 2030 Jun-Jul 2019 CL2 No 23.3 R1 0.0083 au 2500 2030 Jul 437844 1999 MN No 21.2 R2 0.025 au 440 2030 Aug 2016 NT22 No 19.5 PHA 0.040 au 270 2030 Sep 445305 2010 DM56 No 19.7 PHA 0.015 au 10000 2030 Sep-Oct 1917 Cuyo No 14.4 R1 0.090 au 300 2030 Oct 2004 RE84 No 21.9 PHA 0.031 au 120 2030 Oct 2000 TU28 No 21.1 PHA 0.068 au 61 2030 Nov 2014 YN Yes 25.7 0.0085 au 700 OCC = 5 2030 Nov 142040 2002 QE15 No 16.3 0.120 au 39 2030 Nov 85713 1998 SS49 No 15.8 R2 PHA 0.125 au 57 2030 Nov 529670 2010 JT34 No 19.1 0.056 au 71 2030 Nov 2021 XL6 Yes 21.2 PHA 0.015 au 3000 OCC = 5 2030 Dec 2019 XQ3 No 20.7 R1 PHA 0.038 au 130 "Physical observations" refer to lightcurves, colors, spectroscopy, and infrared radiometry. "PHA" = Potentially Hazardous Asteroid "Rn" = Previous radar detection, where "n" indicates the number of times a detection has occurred

Past Goldstone Observations

2001 Dec 1998 WT24 Completed. 2002 Jan 4660 Nereus Completed. 2002 Mar 2000 GD2 Completed. 2002 Apr 2002 FD6 Completed. 2002 Apr 38071 1999 GU3 Completed. 2002 Jun 2002 FC Completed. 2002 Jun-Jul 5604 1992 FE Completed. 2002 Oct-Nov 35396 1997 XF11 Completed. 2002 Oct-Nov 2002 SY50 Completed. 2002 Nov 2002 VE68 Completed. 2003 Jun 1998 FH12 Completed. 2003 Jun-Jul 2003 MS2 Completed. 2003 Aug 37655 Illapa (1994 PM)Completed. 2003 Sep 2003 RU11 Cancelled: Too weak to detect. 2003 Sep 22771 1999 CU3 Completed. 2003 Sep 2003 SR84 Completed. 2003 Oct 2003 SS84 Completed. 2003 Oct-Nov 2003 TL4 Completed. 2003 Nov 1937 UB (Hermes) Completed. 2003 Nov 1990 OS Completed. 2003 Nov 65803 1996 GT Completed. 2004 Jan-Feb 6239 Minos Completed. 2004 Apr 1999 DJ4 Cancelled due to hardware problems. 2004 May 2003 YT1 Cancelled due to hardware problems. 2004 May 2001 US16 Completed. All but the final track were cancelled due to hardware problems. 2004 Jun 25143 Itokawa Completed. Also observed at Arecibo 2004 Jul 1999 MN Completed. Also observed at Arecibo 2005 Mar 22753 1998 WT Completed. 2005 Mar-Apr 1999 RR28 Completed. Also observed at Arecibo 2005 Apr 2005 EU2 Completed. Also observed at Arecibo 2005 May 2005 ED318 Completed. Also observed at Arecibo 2005 Aug 1992 UY4 Completed. Also observed at Arecibo 2005 Aug 2005 OE3 Completed. 2005 Sep 1999 RQ36 Completed. Also observed at Arecibo 2005 Sep 66063 1998 RO1 2005 Nov 1862 Apollo Completed. Also observed at Arecibo 2005 Nov 2005 JE46 Completed. 2005 Dec 2005 WC1 Completed. Also observed at Arecibo 2006 Mar 23187 2000 PN9 Completed. Observations at Arecibo were cancelled. 2006 May 73P/Schwassmann-Wachmann 3 Completed. Also observed at Arecibo. 2006 May 2006 GY2 Completed. Also observed at Arecibo. 2006 May-Jun 2004 DC Completed. Also observed at Arecibo. 2006 Jul 2004 XP14 Completed. 2006 Jul-Aug 2006 BQ6 Completed. Observations at Arecibo were cancelled. 2006 Oct 2001 CB21 Cancelled at Goldstone; observed at Arecibo 2006 Oct 2006 RZ Completed. Also observed at Arecibo. 2006 Dec 2004 XL14 Completed. Also observed at Arecibo. 2007 Jan 7341 1991 VK Cancelled at Goldstone due to conflicts. Observed at Arecibo. 2007 Jan 2006 AM4 Completed. 2007 Mar-Apr 2006 VV2 Completed. Also observed at Arecibo and Greenbank. 2007 May 1862 Apollo Cancelled due to maintenance. 2007 Jun 6R10DB9 (2006 RH120) Completed. 2007 Jul-Aug 2007 DT103 Completed. 2007 Oct 2340 Hathor Cancelled due to conflicts. 2007 Nov 1989 UR Completed. 2007 Nov 2007 VD12 Completed. 2007 Dec 3200 Phaethon Cancelled due to maintenance and conflicts. Observed at Arecibo. 2007 Dec 2007 XH16 Not scheduled due to conflicts. Observed at Arecibo. 2008 Jan 2005 WJ56 Completed. Also observed at Arecibo. 2008 Jan 2007 TU24 Completed. Also observed at Arecibo. 2008 Feb 4450 Pan CANCELLED DUE TO SPACECRAFT CONFLICTS. Observed at Arecibo. 2008 Feb 153591 2001 SN263 CANCELLED DUE TO SPACECRAFT CONFLICTS. Observed at Arecibo. 2008 Feb 2002 TD66 Completed. Also observed at Arecibo. 2008 Mar 2008 EL6 Not scheduled due to conflicts. Not scheduled at Arecibo due to maintenance. 2008 Apr 2005 NB7 Completed. Also observed at Arecibo. 2008 Jul 2008 BT18 Completed. Also observed at Arecibo 2008 Jul 90403 2003 YE45 Completed. Also observed at Arecibo 2008 Jul 2005 RC34 Completed. Also observed at Arecibo. 2008 Aug 35107 1991 VH Completed. Also observed at Arecibo. 2008 Sep 185851 2000 DP107 Completed. Also observed at Arecibo. 2008 Sep 137032 1998 UO1 Completed. Also observed at Arecibo. 2008 Sep-Oct 2008 QS11 Completed. Also observed at Arecibo. 2008 Oct 164400 2005 GN59 Completed. Also observed at Arecibo 2008 Nov 4179 Toutatis CANCELLED Observed at Arecibo. 2008 Dec 2008 EV5 Completed. Also observed at Arecibo. 2009 Jan 136849 1998 CS1 Completed. Also observed at Arecibo. 2009 Feb 2006 AS2 Completed. Also observed at Arecibo. 2009 Feb 1999 AQ10 Completed. Also observed at Arecibo. 2009 Mar 2009 DR3 Completed. 2009 Mar 2009 DO111 Completed. 2009 Mar 2008 SV11 Completed. Also observed at Arecibo. 2009 May 2001 SG286 Requested; could not be scheduled. 2009 May-Jun 143651 2003 QO104 Completed. Also observed at Arecibo. 2009 Jun 136617 1994 CC Completed. Also observed at Arecibo. 2009 Jun 2001 FE90 Completed. Also observed at Arecibo. 2009 Aug 2009 KC3 Completed. Also observed at Arecibo. 2009 Sep 2000 CO101 Completed. Also observed at Arecibo. 2009 Sep 152664 1998 FW4 Completed. Also observed at Arecibo. 2009 Oct 68216 2001 CV26 Completed. Also observed at Arecibo. 2009 Dec 2009 WV25 Completed. 2009 Dec 2003 YL118 Cancelled due to large orbital uncertainites. 2010 Jan 2010 AL30 Completed. 2010 Jan 2010 AF40 Completed. 2010 Feb 2009 UN3 Completed. 2010 Feb 2010 DJ1 Completed. 2010 Apr 2005 YU55 Cancelled due to maintenance Observed at Arecibo 2010 Jun 1999 MN Cancelled due to maintenance 2010 Jun 2007 XB10 Cancelled due to maintenance 2010 Sep-Oct (137032) 1998 UO1 Cancelled due to maintenance 2010 Oct 2001 TB Cancelled due to maintenance 2010 Oct Comet 103P/Hartley 2 Cancelled due to maintenance. Observed at Arecibo 2010 Oct 2003 UV11 Completed. Bistatic with Arecibo. 2010 Nov 2002 VE68 Completed. 2010 Nov 2005 GC120 Completed. 2010 Dec 2010 JL33 Completed. 2011 Jan 2011 AH5 Cancelled due to equipment problems. 2011 May-Jun 2009 BD Completed. Echoes not detected, possibly due to pointing problems. 2011 Jun 2011 MD Completed. Echoes not detected, possibly due to pointing problems. 2011 Jul 2011 EZ78 Completed. 2011 Aug Comet 45P/Honda-Mrkos-Pajdusakova (HMP) Completed. 2011 Oct 1036 Ganymed Completed. Also observed at Arecibo. 2011 Oct 2011 LC19 Completed. Also observed at Arecibo. 2011 Nov 2005 YU55 Completed. Also observed at Arecibo. AES 2011 Nov 175706 1996 FG3 Completed. Also observed at Arecibo. 2011 Dec 2000 YA Completed. Also observed at Arecibo. AES 2011 Dec 2003 AK18 Completed. Also observed at Arecibo. 2012 Jan 2011 YH40 Completed. AES 2012 Jan 7341 1991 VK Completed. Also observed at Arecibo. 2012 Jan 433 Eros Completed. 2012 Jan 2012 BX34 Completed. AES 2012 Feb 2006 CJ Completed. Also observed at Arecibo. 2012 Feb 162421 2000 ET70 Completed. Also observad at Arecibo. AES 2012 Feb 2011 CP4 Completed. Also observad at Arecibo. AES 2012 Mar 192642 1999 RD32 Completed. Also observed at Arecibo. 2012 Apr 2012 EG5 Echoes not detected. SNRs likely too weak. AES 2012 Apr 2012 HM Completed. AES 2012 Apr 2012 HP13 Echoes not detected. 2012 May 1998 HE3 Completed. Also observed at Arecibo. 2012 May-Jun 2007 LE Completed. Also observed at Arecibo 2012 Jun 2001 CQ36 Completed. Detected with 250 kW. AES 2012 Jun 308242 2005 GO21 Completed. Also observed at Arecibo. AES 2012 Jun 2012 MY2 Completed. AES 2012 Jul 144411 2004 EW9 Completed. Also observed at Arecibo. 2012 Jul 153958 2002 AM31 Completed. Also observed at Arecibo. AES 2012 Jul 2006 CF Completed. 2012 Jul 2012 OQ Completed. 2012 Sep 2012 QG42 Completed. AES 2012 Sep 2012 QC8 Cancelled due to DSS-14 subreflector problem. 2012 Oct 2012 TC4 Echoes not detected. Likely equipment issues. 2012 Oct 136993 1998 ST49 Completed. 2012 Oct-Nov 214869 2007 PA8 Completed. AES 2012 Nov 2010 JK1 Completed. AES 2012 Nov 1994 XD Completed. 2012 Dec 4179 Toutatis Completed. AES 2012 Dec 2012 XB112 Completed; piggyback on time for Toutatis; NHATS target AES 2012 Dec 2012 XM55 Echoes not detected. Target likely too weak. 2013 Jan 99942 Apophis Completed. AES Also Dec. 20-21 during Toutatis tracks 2013 Jan 2002 AY1 Completed. 2013 Feb 3752 Camillo Completed. 2013 Feb 2013 BS45 Completed. AES NHATS Piggyback on Camillo 2013 Feb 2013 BV15 Completed. AES Piggyback on Camillo 2013 Feb 2012 DA14 Completed. AES NHATS 2013 Mar 2013 ET Completed. AES 2013 Mar 7888 1993 UC Completed. Also observed at Arecibo. 2013 Mar 2013 FB8 Completed. AES NHATS 2013 Apr 242643 2005 NZ6 Completed. 2013 Apr 2013 GH66 NHATS Did not observe due to rapid rotation period. SNRs=0; piggyback on 2005 NZ6 2013 May 360191 1988 TA Completed. Also observed at Arecibo. Bistatic GSSR->AO. 2013 May 163364 2002 OD20 Completed. NHATS 2013 May 2013 JM22 Attempted on May 20 but not detected. Target likely too weak. 2013 May 2013 HT15 Completed. 2013 May 285263 1998 QE2 Completed. Also observed at Arecibo. AES 2013 Jun 2013 JR28 Completed. Also observed at Arecibo. AES 2013 Jul 153349 2001 PJ9 Completed. Target very weak, so observed only on 1 day. Also observed at Arecibo. 2013 Aug 277475 2005 WK4 Completed. Also observed at Arecibo. AES 2013 Aug 52760 1998 ML14 Completed AES 2013 Aug 137126 1999 CF9 Completed 2013 Aug 2007 CN26 Completed AES 2013 Aug 232691 2004 AR1 Completed 2013 Sep 152664 1998 FW4 Completed AES 2013 Sep 329437 2002 OA22 Completed AES NHATS 2013 Sep 363305 2002 NV16 Completed AES NHATS 2013 Oct 2013 SU24 Completed AES NHATS 2013 Oct 2013 UB Completed AES NHATS TOO scheduled at the last minute; We never created a planning page. 2013 Nov 2001 AV43 Completed AES NHATS 2013 Nov-Dec 2013 NJ Completed AES NHATS 2013 Dec 2013 XY8 Completed AES 2013 Dec 2013 XH22 Completed AES TOO scheduled at the last minute; We never created a planning page. 2013 Dec 2011 BT15 Completed AES NHATS 2014 Jan 251346 2007 SJ Completed AES 2014 Jan 2014 BA3 Completed: no detection Target of opportunity 2014 Feb 2014 BW32 Not detected due to equipment problems. Target-of-opportunity 2014 Feb 348306 2005 AY28 Completed. 2014 Feb 2006 DP14 Completed. AES 2014 Feb 2014 BR57 Completed. AES Target-of-opportunity. 2014 Feb 1995 CR Requested...but cancelled due to equipment problems 2014 Mar 2014 CU13 Completed. Target-of-opportunity. 2014 Mar 275677 2000 RS11 Completed. 2014 Mar 2014 EP12 Completed. Target-of-opportunity. 2014 Mar 2013 WT44 Completed. AES BINARY Target-of-opportunity. 2014 Apr 363599 2004 FG11 Completed. BINARY 2014 Apr 2003 HM Completed. 2014 Apr 304330 2006 SX217 Completed. AES 2014 Apr 2007 TV18 Completed. AES NHATS Target-of-opportunity 2014 Apr 2014 GG49 Not detected. Target-of-opportunity 2014 Apr 2014 HW Requested but not scheduled. Target-of-opportunity 2014 May 2014 HO132 Completed AES Target-of-opportunity 2014 May 2011 JR13 Completed. 2014 May 2013 WF108 Completed. AES Target-of-opportunity 2014 May Comet 209P/LINEAR Completed. 2014 May 2014 JL25 Completed. AES Target-of-opportunity 2014 Jun 2014 KH39 Completed. AES Target-of-opportunity 2014 Jun 154275 2002 SR41 Did not run due to equipment problems 2014 Jun 2014 HQ124 Completed. AES Target-of-opportunity 2014 Jul Comet C/2013 UQ4 Catalina Completed. Target-of-opportunity 2014 Aug 398188 2010 LE15 Completed AES 2014 Aug 285944 2001 RZ11 Completed 2014 Aug 2013 WT67 Requested but not scheduled Target-of-opportunity 2014 Aug 163132 2002 CU11 Completed AES 2014 Aug-Sep 333587 2006 KM103 Completed 2014 Sep 276049 2002 CE26 Not observed; we observed 2014 RC instead 2014 Sep 2014 RC Completed AES NHATS Target-of-opportunity 2014 Sep 2013 RZ53 NHATS Not scheduled: plane-of-sky uncertainties were too large. Target-of-opportunity 2014 Sep 2009 FG19 Completed 2014 Sep 2014 ST223 NHATS Not detected. Target-of-opportunity 2014 Oct 2014 SX261 Requested but not scheduled 2014 Oct 68267 2001 EA16 Completed. 2014 Oct 2011 TB4 Completed. Target of Opportunity 2014 Oct 2014 SM143 Completed. Target of Opportunity 2014 Oct 2014 TV Skipped: rotation is too rapid 2014 Oct 2340 Hathor Completed 2014 Oct 2014 RQ17 Completed. Target of Opportunity 2014 Oct 2014 SC324 Completed. Target of Opportunity AES 2014 Dec 2005 YQ96 Completed. Sucessful test of the newly installed receiving equipment at GBT. AES 2014 Dec 2014 XJ3 Completed. Target of Opportunity 2015 Jan 2007 EC Completed. AES NHATS 2015 Jan 2015 AK1 Not detected due to rapid rotation. Target-of-Opportunity 2015 Jan 357439 2004 BL86 Completed. 2015 Jan 28 2015 BE92 NHATS Completed. Target-of-opportunity. Piggybacked on 2004 BL86 2015 Feb 416151 2002 RQ25 Completed. NHATS 2015 Feb 2015 AZ43 Completed. Target-of-opportunity. 2015 Feb 2014 EK24 NHATS Not detected due to rapid rotation. 2015 Feb 2015 CQ13 Target-of-opportunity; TX 110 kW. Not detected 2015 Feb 2015 CA40 Target-of-opportunity; NHATS Not detected due to klystron problems 2015 Feb 2015 DU Target-of-opportunity. NHATS Questionable detection due to warm receiver and klystron problems. 2015 Feb 90416 2003 YK118 Cancelled due to klystron problems. 2015 Jan-Mar Galilean Satellites at Goldstone, Green Bank, and Arecibo Completed. 2015 Mar 141527 2002 FG7 Completed. PHA 2015 Mar 2014 YB35 Completed. PHA Target-of-opportunity 2015 Apr 235756 2004 VC PHA WISE target Requested but not scheduled 2015 Apr 2015 FW117 Completed. Target-of-opportunity. AES 2015 May 285331 1999 FN53 Completed 2015 May 2015 KW120 CANCELLED DUE TO RFI WITH DSS-28 2015 Jun 417211 2005 XL80 Completed. 2015 Jun 2015 KA122 Completed. Target-of-opportunity 2015 Jun 1566 Icarus Completed. PHA 2015 Jun 2010 NY65 Completed. PHA 2015 Jun 2015 MA54 Completed. Target-of-opportunity 2015 Jul 2015 HM10 Completed. Target-of-opportunity 2015 Jul 436724 2011 UW158 Completed. PHA NHATS 2015 Jul 385186 1994 AW1 Completed. PHA BINARY 2015 Jul 242191 2003 NZ6 Completed. 2015 Jul 85989 1999 JD6 Completed. PHA 2015 Aug 348400 2005 JF21 Completed. PHA 2015 Aug 206378 2003 RB Completed. PHA 2015 Aug 2015 QT3 Completed. Target-of-opportunity 2015 Sep 2015 SZ2 Completed. Target-of-opportunity 2015 Oct 2015 FS332 Completed. PHA Target-of-opportunity 2015 Oct 2014 UR Completed. NHATS 2015 Oct 2006 UY64 Completed. 2015 Oct-Nov 410777 2009 FD Completed. BINARY 2015 Oct 2015 TB145 Completed. PHA Target-of-opportunity 2015 Nov-Dec Southern Hemisphere Radar Test Completed. 2015 Nov 413577 2005 UL5 Completed. PHA 2015 Nov 29-Dec 3 163696 2003 EB50 Completed 2015 Dec 5-17 33342 1998 WT24 Completed PHA 2015 Dec 5-20 163899 2003 SD220 Completed PHA NHATS 2015 Dec 6 2015 XC Completed NHATS Target-of-opportunity 2015 Dec 12-14 2015 XX128 Not observed 2015 Dec 13-14 2015 XN55 Completed NHATS Target-of-opportunity 2015 Dec 17 2015 MW53 Completed PHA Target-of-opportunity 2015 Dec 22 452302 1995 YR1 Completed PHA 2015 Dec 27-30 294739 2008 CM Completed PHA 2015 Dec 28-30 2015 XC352 Completed NHATS Target-of-opportunity 2016 Jan 8-13 85990 1999 JV6 Completed PHA NHATS 2016 Jan 12-17 337866 2001 WL15 Completed 2016 Jan 19-23 1685 Toro Completed 2016 Jan-Feb Galilean Satellites at Goldstone, Green Bank, and Arecibo DSS-14 was offline for maintenance from 2016 Jan. 25 - May 15 so some targets below were cancelled 2016 Feb 2014 EK24 NHATS Cancelled due to maintenance 2016 Feb 137805 1999 YK5 Cancelled due to maintenance 2016 Mar 2016 DV1 Completed. Target-of-opportunity 2016 Mar P/2016 BA14 Pan-STARRS Completed Comet Target-of-opportunity. 2016 Mar 2016 BC14 Completed PHA NHATS Target-of-opportunity. 2016 Mar 252P/LINEAR Comet Cancelled due to equipment problems 2016 Apr 363599 2004 FG11 PHA BINARY Cancelled due to maintenance 2016 Apr 2005 GR33 Cancelled due to maintenance 2016 Apr 2016 FY3 Requested but not scheduled 2016 Apr 2003 KO2 PHA Cancelled due to maintenance 2016 May 388945 2008 TZ3 PHA Cancelled due to maintenance 2016 May 2006 UK PHA Cancelled due to maintenance 2016 May 2016 JD18 Completed. Target-of-opportunity. DSS-13 and Green Bank 2016 May 2009 DL46 Completed. NHATS DSS-14 and Green Bank 2016 May 2016 GS2 NHATS Cancelled due to an equipment problem 2016 May 2016 JC6 NHATS Cancelled due to an equipment problem 2016 Jun 441987 2010 NY65 Completed. PHA 2016 Jul 154244 2002 KL6 Completed. 2016 Aug 2016 CL264 Completed. PHA Target-of-opportunity 2016 Aug-Sep 357024 1999 YR14 Completed PHA 2016 Sep 2016 RB1 Completed Target-of-Opportunity. 08:20-10:20 Sep. 7 2016 Sep 2016 LX48 Completed. PHA Target-of-opportunity 2016 Sep 2016 QS11 Not observed at Goldstone but detected at Arecibo. Overlapped 2016 LX48. 2016 Sep 2100 Ra-Shalom Completed 2016 Oct 462959 2011 DU Completed PHA NHATS 2016 Oct 413260 2003 TL4 Completed PHA 2016 Oct 2016 TY55 Completed NHATS Target-of-opportunity 2016 Oct 164121 2003 YT1 Completed PHA BINARY 2016 Nov 2016 TG55 Completed NHATS Target-of-opportunity 2016 Nov 96590 1998 XB Completed 2016 Nov 433953 1997 XR2 Completed PHA NHATS 2016 Nov 2016 UY56 Completed Target-of-opportunity 2016 Nov 68950 2002 QF15 Completed PHA 2016 Nov 5143 Heracles Completed Binary 2016 Nov 369264 2009 MS Completed PHA 2016 Dec 2008 UL90 Completed PHA 2016 Dec 2016 XK18 Completed Target-of-opportunity 2016 Dec 2006 XD2 Completed PHA 2016 Dec 4179 Toutatis Completed PHA 2016 Dec 2102 Tantalus Completed PHA 2017 Jan 226514 2003 UX34 Completed PHA Binary 2017 Jan 85990 1999 JV6 Completed PHA NHATS 2017 Jan 7341 1991 VK Completed PHA 2017 Feb 2017 BQ6 Completed Target-of-opportunity 2017 Feb 2013 FK Completed Target of opportunity (recently recovered) 2017 Feb 45P/Honda-Mrkos-Pajdusakova Completed Comet 2017 Feb 2015 BN509 PHA Cancelled due to equipment problems 2017 Feb 2017 BW Completed NHATS Target-of-opportunity 2017 Feb 443103 2013 WT67 Completed PHA 2017 Feb 2017 BY93 Completed Target-of-opportunity 2017 Feb-Mar 5604 1992 FE Completed PHA 2017 Mar 1998 SL36 Completed PHA Target-of-opportunity: recently recovered 2017 Mar 215588 2003 HF2 Completed PHA 2017 Mar 2017 FV Completed Target-of-opportunity; piggyback on 2003 HF2 2017 Apr 41P/Tuttle-Giacobini-Kresak Completed Comet 2017 Apr 143404 2003 BD44 Completed PHA 2017 Apr 2014 JO25 Completed PHA 2017 May 2017 JA2 Completed Target-of-opportunity. Not detected due to an equipment problem 2017 May-Jun 6063 Jason Completed 2017 May-Jun 418094 2007 WV4 Completed PHA 2017 May-Jun 2017 CS Completed PHA Target-of-opportunity 2017 Jun 2017 KQ27 Target of opportunity...not able to schedule *************************************************************************************************** DSS-14 was offline for maintenance during weeks 24-30 of 2017, so the objects below were cancelled: 2017 Jun 90075 2002 VU94 PHA 2017 Jun 441987 2010 NY65 PHA DSS-14 OFFLINE 2017 Jun 2010 VB1 DSS-14 OFFLINE NHATS 2017 Jul 2017 BS5 DSS-14 OFFLINE NHATS 2017 Jul 190166 2005 UP156 DSS-14 OFFLINE *************************************************************************************************** 2017 Aug 153415 2001 QP153 Completed 2017 Aug 190166 2005 UP156 Completed BINARY Not detected: too weak 2017 Aug-Sep 3122 Florence Completed PHA Triple system 2017 Sep 310560 2001 QL142 Completed PHA 2017 Oct 496817 1989 VB Completed PHA 2017 Oct 2017 RV1 Completed PHA BINARY Target-of-opportunity 2017 Oct 2012 TC4 Completed NHATS 2017 Oct 66146 1998 TU3 Completed 2017 Oct 171576 1999 VP11 Completed PHA 2017 Oct 2003 UV11 Completed PHA 2017 Oct 496816 1989 UP Completed PHA 2017 Nov 3361 Orpheus Completed PHA NHATS 2017 Nov 444584 2006 UK Completed PHA 2017 Nov 163696 2003 EB50 Completed 2017 Nov 2017 WC Completed Target-of-opportunity at 110 kW 2017 Dec 3200 Phaethon Completed PHA 2017 Dec 2017 VT14 Completed Target-of-opportunity 2017 Dec 2017 WX12 Completed Target-of-opportunity 2017 Dec 2017 WZ14 Not detected: too weak Target-of-opportunity 2017 Dec 418849 2008 WM64 Not observed. PHA 2017 Dec 2017 QL33 Completed PHA Target-of-opportunity 2017 Dec 2007 AG Completed PHA 2018 Jan 438017 2003 YO3 Cancelled due to a transmitter problem 2018 Jan 306383 1993 VD PHA Cancelled due to a transmitter problem 2018 Feb 276033 2002 AJ129 Completed PHA 2018 Feb 505657 2014 SR339 Completed PHA 2018 Feb 2018 BP6 Target-of-opportunity. --> Not observed <-- 2018 Feb 2015 BN509 Completed PHA 2018 Feb 2018 CB Completed NHATS Target-of-opportunity 2018 Feb 162882 2001 FD58 Completed PHA 2018 Feb 96950 1998 XB CANCELLED 2018 Feb 3752 Camillo Completed 2018 Mar 2017 VR12 Completed PHA NHATS Target-of-opportunity 2018 Mar 2013 RZ73 PHA CANCELLED 2018 Mar 1981 Midas Completed PHA 2018 Mar 2018 DH1 Completed PHA Target-of-opportunity 2018 Apr 2018 EB Completed PHA Target-of-opportunity 2018 Apr 363599 2004 FG11 PHA CANCELLED Binary 2018 Apr 242643 2005 NZ6 PHA CANCELLED 2018 Apr 194126 2001 SG276 CANCELLED 2018 Apr 2002 JR100 CANCELLED NHATS 2018 Apr-May 2013 US3 Completed PHA NHATS 2018 Apr-May 444193 2005 SE71 Completed PHA Slow rotator; piggyback on 2013 US3; no planning page 2018 May 388945 2008 TZ3 Completed PHA 2018 May 1999 FN19 Completed NHATS 2018 May-Jun 66391 1999 KW4 Completed PHA Binary 2018 May-Jun 68347 2001 KB67 Completed PHA 2018 May 2014 WG365 PHA CANCELLED 2018 Jun 469737 2005 NW44 CANCELLED 2018 Jun 2018 EJ4 Completed PHA NHATS Target-of-opportunity 2018 Jun 2015 DP155 Completed PHA NHATS 2018 Jun 2018 LK Completed PHA Target-of-opportunity 2018 Jun 2017 YE5 Completed PHA Binary Target-of-opportunity 2018 Jun 441987 2010 NY65 Completed PHA 2018 Jun 467309 1996 AW1 Completed PHA 2018 Jul 13553 Masaakikoyama CANCELLED 2018 Jul-Aug 398188 Agni Completed PHA AKA 2010 LE15 2018 Aug 1998 SD9 Completed...but not detected due to larger than expected pointing uncertainties 2018 Aug-Sep 2015 FP118 Completed PHA 2018 Sep 2018 RC Completed NHATS Target-of-opportunity; overlapped 2015 FP118 2018 Sep 144332 2004 DV24 Completed PHA 2018 Oct 2018 EB Completed PHA 2018 Oct 2013 UG1 CANCELLED 2018 Oct 475534 2006 TS7 Completed. PHA 2018 Oct 2002 VE68 Completed. PHA 2018 Nov 2018 TF3 Completed PHA Binary Target-of-opportunity. 2018 Nov 410088 2007 EJ Completed 2018 Nov 2018 WD Completed Target-of-opportunity; overlapped 2007 EJ 2018 Nov-Dec 163899 2003 SD220 Completed PHA NHATS 2018 Dec 2018 WV1 Not detected. Target of opportunity 2018 Dec Comet 46P/Wirtanen Not detected Comet 2018 Dec 4953 1990 MU PHA CANCELLED 2018 Dec 2003 NW1 PHA CANCELLED 2018 Dec 418849 2008 WM64 PHA CANCELLED 2018 Dec 2012 MS4 PHA CANCELLED 2018 Dec 2004 XK50 PHA CANCELLED 2019 Jan 2004 XP14 Completed PHA 2019 Jan 433 Eros Completed 2019 Jan 2016 AZ8 Completed PHA NHATS 2019 Jan 2013 CW32 Completed PHA 2019 Jan 2019 AV2 Completed PHA Target-of-opportunity 2019 Jan 2019 BJ1 Completed Target-of-opportunity 2019 Feb 455176 1999 VF22 PHA CANCELLED 2019 Mar 2015 EG CANCELLED due to equipment problems. NHATS Target-of-opportunity. 2019 Mar 2019 EA2 CANCELLED due to rapid rotation and much weaker SNRs. Target-of-opportunity. DSS13/GBT 2019 Mar 88254 2001 FM129 PHA CANCELLED 2019 Mar 2005 FC3 CANCELLED 2019 Apr 163081 2002 AG29 CANCELLED NHATS 2019 Apr 522684 2016 JP PHA CANCELLED 2019 Apr 2019 GC6 Not detected at the VLBA. Detected in Australia 2019 Apr 163081 2002 AG29 CANCELLED NHATS 2019 Apr 522684 2016 JP PHA CANCELLED 2019 May 2008 HS3 CANCELLED NHATS 2019 May 2018 VX8 CANCELLED 2019 May 68950 2002 QF15 CANCELLED 2019 May 66391 1999 KW4 Attempted with DSS-13 and GBT; not detected Binary 2019 May-Jun 2011 HP CANCELLED 2019 Jun 441987 2010 NY65 PHA CANCELLED 2019 Jun 494999 2010 JU39 PHA CANCELLED 2019 Jul 10145 1994 CK1 CANCELLED 2019 Jul 2019 OD DSS-13/VLBA. No detection. 2019 Jul 293054 2006 WP127 CANCELLED 2019 Jul 2010 PK9 PHA CANCELLED 2019 Aug 2005 CL7 CANCELLED 2019 Aug 454094 2013 BZ45 PHA CANCELLED NHATS 2019 Aug 66146 1998 TU3 CANCELLED 2019 Aug 141593 2002 HK12 PHA CANCELLED 2019 Aug 153814 2001 WN5 PHA CANCELLED 2019 Sep 1620 Geographos PHA CANCELLED 2019 Sep 237805 2002 CF26 CANCELLED 2019 Aug-Sep 467317 2000 QW7 PHA CANCELLED 2019 Sep 2100 Ra-Shalom CANCELLED 2019 Sep 297418 2000 SP43 PHA CANCELLED 2019 Sep 2010 CO1 PHA CANCELLED 2019 Sep 1998 FF14 PHA CANCELLED 2019 Oct 162082 1998 HL1 PHA CANCELLED 2019 Nov 2019 UM12 DSS13-GAVRT bistatic. Did not work due to an equipment malfunction at DSS-28. 2019 Nov 2015 JD1 PHA CANCELLED 2019 Nov 2010 JG PHA CANCELLED 2019 Nov 481394 2006 SF6 PHA CANCELLED NHATS 2019 Nov 2011 YS62 CANCELLED 2019 Dec 2011 WN15 PHA CANCELLED 2019 Dec 264357 2000 AZ93 PHA CANCELLED 2019 Dec 216258 2006 WH1 PHA CANCELLED 2020 Jan 289P/Blanpain CANCELLED 2020 Jan 137924 2000 BD19 CANCELLED 2020 Feb 13-15 163373 2002 PZ39 No Yes 18.9 PHA 0.039 au Scheduled at DSS-13 to receive from Arecibo 2020 Feb 2017 BM123 CANCELLED 2020 Apr 2015 FC35 PHA CANCELLED 2020 Apr 363599 2004 FG11 PHA CANCELLED 2020 Apr 52768 1998 OR2 PHA CANCELLED Possibly request DSS-13 and Green Bank: No--too weak 2020 Apr 438908 2009 XO PHA CANCELLED 2020 May 2016 HP6 CANCELLED 2020 May 2000 KA PHA CANCELLED 2020 May 388945 2008 TZ3 PHA CANCELLED Possibly request DSS-13 and Green Bank: No--too weak 2020 May 136795 1997 BQ PHA CANCELLED 2020 Jun 2013 XA22 CANCELLED 2020 Jun 163348 2002 NN4 PHA CANCELLED 2020 Jun 441987 2010 NY65 PHA CANCELLED 2020 Jun 144411 2004 EW9 CANCELLED 2020 Jul 2002 BF25 CANCELLED 2020 Jul 2006 NL CANCELLED 2020 Jul 8014 1990 MF PHA CANCELLED 2020 Jul 85989 1999 JD6 PHA CANCELLED 2020 Sep 465824 2010 FR PHA ...not scheduled due to weak SNRs... 2020 Sep 2020 SW Completed. Not detected. TOO. 2020 Oct 5645 1990 SP Completed 2020 Oct 159402 1999 AP10 Completed 2020 Nov Leonids Meteor Stream Completed. 2020 Nov 7753 1988 XB Completed PHA 2020 Nov 2017 WJ16 Completed PHA NHATS 2020 Nov 153201 2000 WO107 Completed PHA 2020 Nov 2020 SO Completed Old Centaur rocket from 1966. 2020 Dec 2018 PK21 Completed. NHATS 2020 Dec 162173 Ryugu Completed. PHA NHATS 2020 Dec Geminids Meteor Stream Completed 2020 Dec Ursids Meteor Stream Completed 2020 Dec 2020 XX3 NHATS Observed at DSS-43 and ATCA (also in January, 2021) 2020 Dec 501647 2014 SD224 Completed. NHATS 2021 Jan 2003 AF23 Completed PHA 2021 Jan Quadrantids Meteor Stream Completed 2021 Jan 2016 CO247 Completed PHA 2021 Jan 332446 2008 AF4 PHA Not scheduled at Goldstone due to maintenance 2021 Jan 332446 2008 AF4 PHA Observed at DSS-43 and ATCA 2021 Jan 2015 NU13 PHA Not scheduled at Goldstone due to maintenance 2021 Jan 2020 WU5 PHA Observed at DSS-43 and ATCA 2021 Jan 2020 YE5 NHATS Observed at DSS-43 and ATCA 2021 Jan 363024 1998 OK1 Completed. PHA 2021 Jan 65717 1993 BX3 Completed. PHA NHATS 2021 Jan 468727 2010 JE87 Completed. PHA 2021 Jan 2020 TB12 Observed with DSS-43 and ATCA; unable to schedule at DSS-14. 2021 Jan 2021 BZ Completed. Piggyback with 1993 BX3. 2021 Feb 2016 CL136 Completed. PHA 2021 Feb-Mar 1999 RM45 Completed PHA BINARY. Also attempted at DSS-34/ATCA but not detected. 2021 Feb 456537 2007 BG Completed 2021 Feb 2021 DE Completed 2021 Mar 99942 Apophis Completed PHA NHATS 2021 Mar 2021 DW1 Completed NHATS Not detected 2021 Mar 535844 2015 BY310 Completed PHA NHATS Not detected 2021 Mar 2021 CF6 Completed 2021 Mar 271480 2004 FX31 Completed 2021 Mar 2021 EB1 Completed. 2021 Mar 231937 2001 FO32 Not scheduled at DSS-14 due to maintenance PHA 2021 Mar 231937 2001 FO32 Completed at Canberra > ATCA PHA 2021 Mar 231937 2001 FO32 Completed at DSS-13 > GBT PHA 2021 Mar 351545 2005 TE15 Not scheduled at DSS-14 due to maintenance 2021 Mar 2021 CO Requested at DSS-43/ATCA but not scheduled 2021 Apr 1997 GL3 Not scheduled at DSS-14 due to maintenance 2021 Apr 2004 TP1 Not scheduled at DSS-14 due to maintenance 2021 May 5189 1990 UQ Completed 2021 May 2021 GK1 NHATS Not observed: too weak due to fast rotation 2021 May 2021 AF8 Completed 2021 May 2013 WA44 NHATS Not detected: too weak. 2021 May 2021 JG1. Requested but not scheduled. 2021 Jun 450263 2003 WD158 Completed 2021 Jun 2021 LO2 Observed but not detected 2021 Jun 2021 LY4 Not observed 2021 Jun 441987 2010 NY65 Completed 2021 Jun 2021 LV2 Completed NHATS 2021 Jun 2021 ME1 Completed NHATS 2021 Jun 2010 XJ11 Completed 2021 Jul 2021 LD1 Completed long axis > 1.2 km 2021 Jul 285571 2000 PQ9 Completed D ~ 0.9 km 2021 Jul 2008 GO20 Completed 2021 Jul 2018 LM4 Not observed due to equipment problems 2021 Aug 2012 BA35 Completed NHATS 2021 Aug 2021 PP Not observed due to problems. NHATS 2021 Aug 2021 PJ1 Completed NHATS 2021 Aug Perseids Meteoroids 2021 Aug 2016 AJ193 Completed D ~ 1.3 km 2021 Aug 2011 UC292 Not observed 2021 Sep 2008 CD6 Completed 2021 Sep 2021 NY1 Completed 2021 Sep 143649 2003 QQ47 Completed 2021 Nov 2017 TS3 Completed 2021 Nov 2004 UE Completed 2021 Nov 3361 Orpheus Completed NHATS Dmax > 0.27 km 2021 Nov 2019 XS Completed NHATS Dmax > 0.04 km 2021 Nov 2010 VK139 Completed 2021 Nov-Dec 163899 2003 SD220 Completed NHATS long axis > 2.5 km 2021 Nov-Dec 4660 Nereus Completed NHATS Deff = 0.33 km 2021 Dec 518678 2008 UZ94 Completed D ~ 0.75 km 2021 Dec 2021 XK6 Completed. TOO. Piggybacked with 2003 SD220. 2022 Jan 7482 1994 PC1 Not scheduled at DSS-14 or DSS-13 due to maintenance 2022 Jan 7482 1994 PC1 Completed in Australia: DSS43, DSS36, and ATCA 2022 Jan 7341 1991 VK Not scheduled at DSS-14 due to maintenance 2022 Feb 2018 CW2 Completed 2022 Feb 455176 1999 VF22 Completed 2022 Feb 2022 BH7 Completed. Target-of-opportunity 2022 Feb 2016 QJ44 Completed 2022 Feb-Mar 138971 2001 CB21 Completed. Only one day due to equipment problems 2022 Mar 2022 DO4 Not observed due to enormous orbital uncertainties 2022 Feb-Mar 153591 2001 SN263 Completed. Triple 2022 Mar 2022 DP3 Not observed due to equipment problems 2022 Mar 2022 EO4 Not observed due to equipment problems 2022 Mar 137170 1999 HF1 Completed. Binary 2022 Mar 2022 ER5 Completed. Target-of-opportunity 2022 Mar-Apr 317255 2002 DJ5 Completed. 2022 Apr 2017 WN13 Completed. Target-of-opportunity. Overlapped 2002 DJ5. 2022 Mar-Apr 350751 2002 AW Completed. Binary 2022 Apr 363599 2004 FG11 Completed. Binary 2022 Apr 418135 2008 AG33 Completed. Also observed with DSS43 > ATCA. 2022 Apr 2008 AG33 DSS-63 > Effelsberg bistatic tests Completed. 2022 Apr 2022 HB Completed. Target-of-Opportunity. 2022 May 467460 2006 JF42 Completed 2022 May 388945 2008 TZ3 Completed. 2022 Apr-May 175706 1996 FG3 Completed. Binary NHATS Janus mission target 2022 May 7335 1989 JA Completed. Binary 2022 May 5693 1993 EA Completed. 2022 May-Jun 163692 2003 CY18 Completed. 2022 Jun 2022 HT2 Completed. Target-of-opportunity. 2022 Jun 2018 XR Completed. 2022 Jun 2022 GU6 Completed. Target-of-opportunity. 2022 Jun 441987 2010 NY65 Completed. 2022 Jun 2022 LV Completed. Target-of-opportunity NHATS 2022 Jun 2022 MP Completed. Target-of-opportunity. 2022 Jul 385186 1994 AW1 Completed. Binary 2022 Jul 2022 NR Completed. Target-of-opportunity. 2022 Jul 12711 Tukmit Completed 2022 Jul 349068 2006 YT13 Completed 2022 Jul 2022 NJ Completed. Target-of-opportunity. 2022 Jul 531944 2013 CU83 * Not scheduled * 2022 Aug-Sep 161989 Cacus Completed 2022 Aug-Sep 2100 Ra-Shalom Completed 2022 Sep 2012 PG6 Completed 2022 Sep-Oct 65803 Didymos/Dimorphos Completed. Binary: DART mission target 2022 Oct 422787 2001 WS1 CANCELLED: equipment problems 2022 Oct 312942 1995 EK1 CANCELLED: equipment problems 2022 Oct 2022 RB5 NHATS CANCELLED: Equipment problems. 2022 Nov 2022 RM4 Completed: Target-of-opportunity at DSS43 > ATCA (Australia) 2022 Nov 85713 1998 SS49 Completed. 2022 Nov 2005 LW3 Completed. Binary 2022 Nov 2017 QL33 Completed. 2022 Nov 2022 VR1 Completed. Target-of-opportunity. Overlapped 1998 SS49. NHATS 2022 Nov 2022 VT2 Completed. Target-of-opportunity. Overlapped 1998 SS49. 2022 Dec 2014 HK129 Completed Also DSS-43>ATCA in Australia 2022 Dec 2015 RN35 Completed Also DSS-43 and DSS-36>ATCA in Australia NHATS 2022 Dec 2022 UD9 Completed. Target-of-opportunity. 2022 Dec 2010 XC15 Completed. Also DSS-43>ATCA in Australia 2022 Dec 2013 YA14 Completed. 2023 Jan-Feb 367789 2011 AG5 Completed. Also DSS-43>ATCA NHATS 2022 Jan-Feb Comet 2022 E3 ZTF Overlapped time for 2011 AG5. Not observed due to weak SNRs and other, stronger targets. 2022 Jan 2023 BU Completed. NHATS Target-of-opportunity 2023 Feb 2023 BN6 Cancelled due to an equipment problem. 2023 Feb 199145 2005 YY128 Completed. Binary 2023 Feb 2023 CM2. Not detected. Overlapped 1993 VB. 2023 Feb 37638 1993 VB Completed. 2023 Feb 2006 BE55 Completed. 2023 Mar 2017 BM123 Completed. NHATS 2023 Mar 2023 DU Completed. Target-of-opportunity 2023 Mar 535844 2015 BY310 Completed. NHATS. 2023 Mar 2023 DQ Completed. Target-of-opportunity 2023 Mar 2007 ED125 Completed. 2023 Mar 2018 UQ1 Completed. 2023 Mar 2023 DZ2 Completed. Target-of-opportunity 2023 Apr 436774 2012 KY3 Completed. 2023 Apr 2023 FM Completed. Target-of-opportunity 2023 Apr 2006 HV5 Completed. 2023 Jun 488453 1994 XD Completed Binary 2023 Jun 2020 DB5 Completed. 2023 Jun-Jul 467336 2002 LT38 Completed. NHATS 2023 Jun-Jul 2023 HO6 Completed. Target-of-opportunity 2023 Jun-Jul 2023 WV44 Completed. Target-of-opportunity 2023 Jun-Jul 2023 MR1 Completed. Target-of-opportunity 2023 Jul 2019 LH5 Completed. 2023 Jul 2018 UY Completed. 2023 Jul 2020 UQ3 Completed. 2023 Jul 2023 MG6 Completed. Target-of-opportunity 2023 Jul 2023 NR1 Completed. Target-of-opportunity 2023 Jul-Aug 620082 2014 QL433 Completed. Binary 2023 Aug 2023 OQ Completed. Target-of-opportunity 2023 Jul-Aug 154244 2002 KL6 Completed 2023 Aug 2023 OE5 Not detected NHATS Target-of-opportunity 2023 Aug 2023 QC Not detected NHATS Target-of-opportunity 2023 Aug 6037 1988 EG Completed. 2023 Sep-Oct 2009 UG Completed. 2023 Sep-Oct 458732 2011 MD5 Completed. Binary 2023 Sep-Oct 349507 2008 QY Completed. 2023 Oct 2023 TC Completed. NHATS Target-of-opportunity. 2023 Oct 2011 GA Completed. 2023 Oct 1998 HH49 Completed. 2023 Oct 2023 TK15 Completed. Target-of-opportunity 2023 Oct 2023 UN Completed. Target-of-opportunity. 2023 Oct 2021 SZ4 Not observed 2023 Oct 2019 HH4 Completed. 2023 Oct 302169 2001 TD45 Completed. 2023 Oct- Nov 525229 2004 UU1 Completed. 2023 Nov 164121 2003 YT1 Completed. Binary 2023 Nov Comet 2023 H2 Lemmon 0.193 au Coma detection. Overlapped 2003 YT1. 2023 Oct-Dec 363505 2003 UC20 Completed NHATS 2023 Dec 1998 WB2 Completed. 2023 Dec 2023 XH Not observed. Target-of-opportunity. 2023 Dec 2013 VX4 Not observed 2023 Dec 139622 2001 QQ142 Completed. NHATS 2023 Dec 2023 XJ2 Completed. Target-of-opportunity 2023 Dec 341843 2008 EV5 Completed. NHATS 2023 Dec 2023 VD6 Completed. Target-of-opportunity. 2023 Dec 2022 YG Earth quasi-satellite. Longshot; not detected. 2023 Dec 2023 YD Completed. Target-of-opportunity. 2024 Jan 2002 AY1 Completed. 2024 Jan 2024 AC Completed. Target-of-opportunity. 2024 Jan 2024 AN1 Completed. Target-of-opportunity. 2024 Jan 1685 Toro Completed. 2024 Jan-Feb 2008 OS7 Completed. 2024 Feb 2023 SP1 Completed. Target-of-opportunity.

The Goldstone Solar System Radar is part of the JPL/NASA Deep Space Network.


The Goldstone main antenna, DSS14, is a fully steerable, 70-meter, parabolic reflector with horn feeds. Its 500-kilowatt transmitter is the world's most powerful at X-band (8560 MHz, 3.5-cm).


Bistatic experiments using DSS-14 transmissions and reception of echoes at DSS-13, a 34-m antenna 22 km away, have been conducted on several very close targets.


Bistatic experiments employing transmission from DSS-14 and reception of echoes at the 27-antenna Very Large Array ( VLA) in New Mexico have synthesized a beamwidth as small as 0.24 seconds of arc, vs. 2 minutes of arc for single-dish observations with Arecibo or Goldstone. In coming years, bistatic observations between Arecibo and Goldstone, or using transmission from Arecibo or Goldstone and reception at the 100-m Greenbank Telescope (GBT), now under construction, should prove advantageous for outer-planet satellites and nearby asteroids and comets. Test observations using transmission from Goldstone or Arecibo and interferometric reception with the 10-antenna Very Long Baseline Array (VLBA) are planned for 1998, and in principle can produce resolutions near a milliarcsecond.


Click here for plots of predictions of the single-date signal-to-noise ratio (SNR) as a function of asteroid size, distance, and declination, for Arecibo and Goldstone. The SNR, which increases as the square root of the number of dates, is comparable to the number of pixels that images can place on a target.

This site administered by:

  Dr. Lance A. M. Benner      |   PHONE:  (818) 354-7412
  Mail Stop 183-601           |   FAX:    (818) 393-4445
  Jet Propulsion Laboratory   |   email:  lance.benner@jpl.nasa.gov
  California Institute of Technology
  Pasadena, CA 91109-8099


Asteroid Radar Astronomy