MBA CIRCULAR POLARIZATION RATIO RANKING


Last modified:	2006 September 07

SC/OC values were taken from Magri et al. (2006), Icarus, in press.

Rank  Object		  SC/OC	+/-	Obs.                   
----  ------		  -----	---	---- 
 1    914 Palisana      0.44  0.16    A                  
 2    622 Esther        0.35  0.09    A
 3     27 Euterpe       0.34  0.08    A
 4     28 Bellona       0.32  0.06    A
      101 Helena        0.32  0.09    A
      354 Eleonora      0.32  0.13    A
 7     18 Melpomene     0.30  0.08    A & G
 8    165 Lorely        0.29  0.14    A
 9      4 Vesta         0.28  0.05    A & G
       20 Massalia      0.28  0.07    A
11    225 Henrietta     0.26  0.11    A
      270 Anahita       0.26  0.07    A
13     80 Sappho        0.25  0.05    A
      524 Fidelio       0.25  0.15    A
15     83 Beatrix       0.23  0.11    A
       84 Klio          0.23  0.06    A
       97 Klotho        0.23  0.07    A & G
18     21 Lutetia       0.22  0.07    A
       66 Maja          0.22  0.12    A
       91 Aegina        0.22  0.07    A
      198 Ampella       0.22  0.07    A
22      5 Astraea       0.20  0.03    A
23     23 Thalia        0.19  0.11    A
      192 Nausikaa      0.19  0.11    A
      455 Bruchsalia    0.19  0.06    A
26     25 Phocaea       0.18  0.03    A
      127 Johanna       0.18  0.07    A
      144 Vibilia       0.18  0.10    A
29      7 Iris          0.17  0.09    A & G
       15 Eunomia       0.17  0.03    A
       16 Psyche        0.17  0.05    A
       60 Echo          0.17  0.06    A
      288 Glauke        0.17  0.06    A
34      3 Juno          0.16  0.03    A
        8 Flora         0.16  0.05    A
       59 Elpis         0.16  0.08    A
      194 Prokne        0.16  0.04    G
      220 Stephania     0.16  0.05    A
      336 Lacadiera     0.16  0.08    A
      532 Herculina     0.16  0.11    A
41    105 Artemis       0.15  0.04    A
42      9 Metis         0.14  0.04    A
       12 Victoria      0.14  0.03    A
      137 Meliboea      0.14  0.01    A
      488 Kreusa        0.14  0.13    A
46     41 Daphne        0.13  0.08    A
      109 Felicitas     0.13  0.03    A
      654 Zelinda       0.13  0.01    A
49     53 Kalypso       0.12  0.02    A
      356 Liguria       0.12  0.06    A
      393 Lampetia      0.12  0.02    A
52     36 Atalante      0.11  0.03    A
      114 Kassandra     0.11  0.06    A
      141 Lumen         0.11  0.04    A
      182 Elsa          0.11  0.09    A
      324 Bamberga      0.11  0.08    A & G
      463 Lola          0.11  0.14    A
58    139 Juewa         0.10  0.10    A 
      247 Eukrate       0.10  0.07    A
      313 Chaldaea      0.10  0.03    A
      405 Thia          0.10  0.03    A
      429 Lotis         0.10  0.07    A
63     38 Leda          0.09  0.08    A
       46 Hestia        0.09  0.05    A
      140 Siwa          0.09  0.10    A
      266 Aline         0.09  0.04    A
      444 Gyptis        0.09  0.07    A
68     54 Alexandra     0.08  0.03    A
      253 Mathilde      0.08  0.02    A
70     22 Kallipe       0.07  0.10    A
       33 Polyhymnia    0.07  0.11    A
      690 Wratislavia   0.07  0.07    A
73     13 Egeria        0.06  0.05    A
       19 Fortuna       0.06  0.04    A
      212 Medea         0.06  0.11    A
     1963 Bezovec       0.06  0.04    A
77      2 Pallas        0.05  0.02    A
       56 Melete        0.05  0.05    A
      554 Peraga        0.05  0.06    A
80    111 Ate           0.04  0.05    A
      704 Interamnia    0.04  0.08    A
82      1 Ceres         0.03  0.03    A & G
      145 Adeona        0.03  0.04    A
84      6 Hebe          0.00  0.12    A
       50 Virginia      0.00  0.08    A
       78 Diana         0.00  0.08    A
       85 Io            0.00  0.12    A
       88 Thisbe        0.00  0.07    A
      128 Nemesis       0.00  0.07    A
      211 Isolda        0.00  0.07    A
      216 Kleopatra     0.00  0.04    A
      230 Athamantis    0.00  0.12    A
      335 Roberta       0.00  0.10    A
      363 Padua         0.00  0.07    A
      377 Campania      0.00  0.06    A
      476 Hedwig        0.00  0.07    A
      505 Cava          0.00  0.07    A
      694 Ekard         0.00  0.10    A

       31 Euphrosyne * No SC *                      A
       87 Sylvia     * No SC detection--too weak *  A
      259 Aletheia   * No SC detection--too weak *  A
      283 Emma       * No SC detection--too weak *  A
      510 Mabella    * No SC detection--too weak *  A
      514 Armida     * No SC detection--too weak *  A
      517 Edith      * No SC detection--too weak *  A
      705 Erminia    * No SC detection--too weak *  A
      796 Sarita     * No SC *                      A
      838 Seraphina  * No SC detection--too weak *  A
      944 Hidalgo    * No SC detection--too weak *  A

N = 98

REFERENCES
==========
Magri, C., S. J. Ostro, K. D. Rosema, M. L. Thomas, D. L. Mitchell, D. B. Campbell, J. F.
  Chandler, I. I. Shapiro, J. D. Giorgini, and D. K. Yeomans.  Mainbelt asteorids:
  Results of Arecibo and Goldstone radar observations of 37 objects during 1980-1995.
  Icarus 140, 379-407.

Mitchell, D. L., S. J. Ostro, K. D. Rosema, R. S. Hudson, D. B. Campbell, J. F. Chandler,
  and I. I. Shapiro 1995.  Radar observations of asteroids 7 Iris, 9 Metis, 12 Victoria, 
  216 Kleopatra, and 654 Zelinda. Icarus 118, 105-131.

Mitchell, D. L., S. J. Ostro, R. S. Hudson, K. D. Rosema, D. B. Campbell, R. Velez, J. F. 
  Chandler, I. I. Shapiro, J. D. Giorgini, and D. K. Yeomans 1996. Radar observations 
  of asteroids 1 Ceres, 2 Pallas, and 4 Vesta. Icarus 124, 113-133.

Magri, C., S. J. Ostro, K. D. Rosema, M. L. Thomas, D. L. Mitchell, D. B. Campbell, J. F.
  Chandler, I. I. Shapiro, J. D. Giorgini, and D. K. Yeomans 1999.  Mainbelt asteroids:
  Results of Arecibo and Goldstone radar observations of 37 objects during 1980-1995.
  Icarus 140, 379-407.

Magri, C., M. C. Nolan, S. J. Ostro, and J. D. Giorgini 2006.  A radar survey of main-belt
  asteroids: Arecibo observations of 55 objects during 1999-2003.  Icarus, in press.