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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 81 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .02072683329758458 | 2.4235e-08 | |
| a | 2.915941583166981 | 8.4286e-09 | au |
| q | 2.855503348067184 | 7.3895e-08 | au |
| i | 6.04798243927587 | 1.9854e-07 | deg |
| node | 287.4205476400351 | 6.7208e-06 | deg |
| peri | 107.4447631309788 | 4.7923e-05 | deg |
| M | 262.8521825800096 | 4.9119e-05 | deg |
| tp | 2459691.291692469859
(2022-Apr-21.79169247) | 0.00024882 | TDB |
| period | 1818.723405028266
4.98 | 7.8856e-06
2.159e-08 | d
yr |
| n | .1979410387553708 | 8.5823e-10 | deg/d |
| Q | 2.976379818266778 | 8.6033e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
8.58 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
50.506 |
km |
0.479 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| rotation period |
rot_per |
4.6084 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Gil Hutton, R.; Licandro, J. (1991) Minor Planet Bull. 18, 37-38.]
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hamanowa, H.; Hamanowa, H. (2011) http://www2.ocn.ne.jp/~hamaten/astlcdata.htm]
[Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Carbognani, A.; Cellino, A.; Caminiti, S. (2019) Planet. Space Sci. 169, 15-34.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] |
| geometric albedo |
albedo |
0.276 |
|
0.046 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| B-V |
BV |
0.704 |
|
0.020 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=9; phase (min.=4.82, mean=7.50, max.=13.71) deg. |
| U-B |
UB |
0.247 |
|
0.023 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=9; phase (min.=4.82, mean=7.50, max.=13.71) 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 |
Xk |
|
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) |
|
| 338 Budrosa (A892 SF) Discovered 1892-Sep-25 by Charlois, A. at Nice |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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