Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
5.90 |
|
n/a |
IRAS-A-FPA-3-RDR-IMPS-V6.0 |
IRAS observations used: 32 |
magnitude slope |
G |
0.20 |
|
n/a |
PDS3 (MPC 17257) |
Fit |
diameter |
diameter |
226 |
km |
23 |
Shepard et al. (2017), Icarus 281, 388-403 |
|
extent |
extent |
279 x 232 x 189 |
km |
27.9 x 23.2 x 18.9 |
Shepard et al. (2017), Icarus 281, 388-403 |
|
GM |
GM |
1.53 |
km^3/s^2 |
0.04 |
Baer and Chesley (2017), AJ 154, 76-86 |
|
bulk density |
density |
4.5 |
g/cm^3 |
1.4 |
Shepard et al. (2017), Icarus 281, 388-403 |
|
rotation period |
rot_per |
4.196 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Van Houten-Groeneveld, I.; van Houten, C.J. (1958) Astrophys. J. 127, 253-273.] [Taylor, R.C.; Gehrels, T.; Capen, R.C. (1976) Astron. J. 81, 778-786.] [Chang, Y.C.; Zhou, X.-h.; Yang, X.-y.; Zhang, Y.-y.; et al. (1981) Acta Astron. Sin. 22, 169-173; Chin. Astron. Astrophys. 5, 434-437.] [Zhou, X.-h.; Yang, X.-y. (1981) Acta Astron. Sin. 22, 378-382; Chin. Astron. Astrophys. 6, 57-59 (1982, 1982ChA...6...57Z).] [Lupishko, D.F.; Bel'skaya, I.N.; Tupieva, F.A.; Chernova, G.P. (1982) Astron. Vestn. 16, 101-108; Solar System Res. 16, 75-80.] [Zhou, X.-z.; Yang, X.-y.; Wu, Z.-x. (1982) Acta Astron. Sin. 23, 349-352; Chin. Astron. Astrophys. 7, 129-131 (1983, 1983ChA...7..129Z).] [Lupishko, D.F.; Bel'skaya, I.N. (1983) in Asteroids, Comets, Meteors. C.-I. Lagerkvist, H. Rickman, eds. Uppsala, pp. 55-61.] [Tedesco, E.F.; Taylor, R.C.; Drummond, J.; Harwood, D.; et al. (1983) Icarus 54, 30-37.] [Tedesco, E.F.; Taylor, R.C. (1985) Icarus 61, 2, 241-251.] [Magnusson, P. (1986) Icarus 68, 1-39.] [Weidenschilling, S.J.; Chapman, C.R.; Davis, D.R.; Greenberg, R.; et al. (1987) Icarus 70, 191-245.] [Drummond, J.D.; Weidenschilling, S.J.; Chapman, C.R.; Davis, D.R. (1988) Icarus 76, 19-77.] [Magnusson, P. (1990) Icarus 85, 229-240.] [Drummond, J.D.; Weidenschilling, S.J.; Chapman, C.R.; Davis, D.R. (1991) Icarus 89, 44-64.] [Broglia, P.; Manara, A. (1992) Astron. Astrophys. 257, 770-772.] [De Angelis, G. (1993) Planet. Space Sci. 41, 285-290.] [Piironen, J.; Magnusson, P.; Lagerkvist, C.-I.; Williams, I.P.; et al. (1997) Astron. Astrophys. Suppl. Ser. 121, 489-497.] [Kaasalainen, M.; Torppa, J.; Piironen, J. (2002) Icarus 159, 369-395.] [Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Durech, J.; Kaasalainen, M.; Herald, D.; Dunham, D.; et al. (2011) Icarus 214, 652-670.] [Proyecto ECLA (Silvia Alonso Perez) (2011) http://www.geocities.com/proyectoecla/] [Hanus, J.; Marchis, F.; Durech, J. (2013) Icarus 226, 1045-1057.] [Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.] [Warner, B.D. (2016) Minor Planet Bull. 43, 137-140.] [Hanus, J.; Viikinkoski, M.; Marchis, F.; Durech, J.; et al (2017) Astron. Astrophys. 601, A114.] |
geometric albedo |
albedo |
0.1203 |
|
0.004 |
IRAS-A-FPA-3-RDR-IMPS-V6.0 |
IRAS observations used: 32 |
B-V |
BV |
0.729 |
|
0.023 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=7; phase (min.=.95, mean=9.89, max.=21.42) deg. |
U-B |
UB |
0.299 |
|
0.058 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=71; phase (min.=.95, mean=9.30, max.=21.42) deg. |
Tholen spectral type |
spec_T |
M |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 7 color indices; used ground-based radiometric albedo |
SMASSII spectral type |
spec_B |
X |
|
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) |
|