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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 20 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1700869700828454 | 6.8811e-08 | |
| a | 2.316228666050848 | 8.7496e-09 | au |
| q | 1.922268350223228 | 1.6075e-07 | au |
| i | 24.94802093256107 | 7.3436e-06 | deg |
| node | 220.1397462521962 | 1.073e-05 | deg |
| peri | 348.9777861269694 | 1.7995e-05 | deg |
| M | 159.6515389542544 | 1.461e-05 | deg |
| tp | 2458629.493326896026
(2019-May-25.99332690) | 5.0508e-05 | TDB |
| period | 1287.569187643917
3.53 | 7.2957e-06
1.997e-08 | d
yr |
| n | .2795966255287243 | 1.5843e-09 | deg/d |
| Q | 2.710188981878467 | 1.0238e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
15.71 |
|
n/a |
E2021B55 |
|
| rotation period |
rot_per |
5.45538 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] |
|
| 100850 (1998 HV31) Discovered 1998-Apr-22 by LINEAR at Socorro |
| Reference: 20051019/Numbers.arc | Last Updated: 2005-10-26 |
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