| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
9.94 |
mag |
n/a |
IRAS-A-FPA-3-RDR-IMPS-V6.0 |
IRAS observations used: 13 |
| diameter |
diameter |
32 |
km |
n/a |
Belton et al. (1995) |
Yeomans E-mail 2001-Apr-04 |
| extent |
extent |
59.8x25.4x18.6 |
km |
n/a |
Thomas et al. (1996) Icarus v.120, pp.20-32 |
fit ellipsoid |
| GM |
GM |
0.00275 |
km^3/s^2 |
0.00035 |
Belton et al. (1996) Icarus v.120, pp.185-199 |
0.0024 < GM < 0.0031 |
| bulk density |
density |
2.6 |
g/cm^3 |
0.5 |
Belton et al. (1996) Icarus v.120, pp.185-199 |
|
| rotation period |
rot_per |
4.634 |
h |
n/a |
Asteroid Lightcurve DataBase (Rev. 2013-May-01) |
Published Reference List: [Binzel, R.P. (1987) Icarus 72, 135-208.] [Gonano-Beurer, M.; Di Martino, M.; Mottola, S.; Neukum, G. (1992) Astron. Astrophys. 254, 393-396.] [Binzel, R.P.; Slivan, S.M.; Magnusson, P.; Wisniewski, W.Z.; et al. (1993) Icarus 105, 310-325.] [Davies, M.E.; Colvin, T.R.; Belton, M.J.S.; Veverka, J.; Thomas, P.C. (1996) Icarus 120, 33-37.] [Cieza, L.A.; Ciliberti, L.N.; Iserte, J.A. (1999) IAPPP Comm. #74, 12-23.] [Kaasalainen, M.; Torppa, J.; Muinonen, K. (2001) Icarus 153, 37-51.] [Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Proyecto ECLA (Silvia Alonso Perez) (2011) http://www.geocities.com/proyectoecla/] |
| geometric albedo |
albedo |
0.2383 |
|
0.065 |
IRAS-A-FPA-3-RDR-IMPS-V6.0 |
IRAS observations used: 13 |
| B-V |
BV |
.802 |
mag |
.009 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 |
#obs=4; phase (min.=.81, mean=6.76, max.=14.56) deg. |
| U-B |
UB |
.416 |
mag |
.037 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 |
#obs=3; phase (min.=.81, mean=5.40, max.=14.56) deg. |
| Tholen spectral type |
spec_T |
S |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 7 color indices; used ground-based radiometric albedo |
| SMASSII spectral type |
spec_B |
S |
|
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) |