Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
3.53 |
|
n/a |
E2021B10 |
IRAS observations used: 15 |
magnitude slope |
G |
0.12 |
|
n/a |
PDS3 (MPC 17257) |
Fit |
diameter |
diameter |
939.4 |
km |
0.2 |
Nature vol. 537, pp515-517 (22 September 2016) |
|
extent |
extent |
964.4 x 964.2 x 891.8 |
km |
0.2 x 0.2 x 0.2 |
Nature vol. 537, pp515-517 (22 September 2016) |
fit w.r.t. center of mass and in body-fixed frame |
GM |
GM |
62.6284 |
km^3/s^2 |
0.0009 |
Nature vol. 537, pp515-517 (22 September 2016) |
|
bulk density |
density |
2.162 |
g/cm^3 |
0.008 |
Nature vol. 537, pp515-517 (22 September 2016) |
|
rotation period |
rot_per |
9.074170 |
h |
0.000001 |
Nature vol. 537, pp515-517 (22 September 2016) |
derived from published value: 952.1532 +/- 0.0001 deg./day |
pole direction |
pole |
291.421/66.758 |
|
0.007/0.002 |
Nature vol. 537, pp515-517 (22 September 2016) |
|
geometric albedo |
albedo |
0.090 |
|
0.003 |
Li et al. (2006) Icarus v182:pp143-160 |
V-band geometric albedo |
B-V |
BV |
0.713 |
|
0.014 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=52; phase (min.=1.47, mean=11.85, max.=22.59) deg. |
U-B |
UB |
0.426 |
|
0.026 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=52; phase (min.=1.47, mean=12.16, max.=22.59) deg. |
Tholen spectral type |
spec_T |
G |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 7 color indices; used ground-based radiometric albedo |
SMASSII spectral type |
spec_B |
C |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) |