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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 21 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .09869441603327792 | 4.848e-08 | |
| a | 2.423640881619407 | 1.0499e-08 | au |
| q | 2.184441060133601 | 1.1464e-07 | au |
| i | 4.07789956055804 | 3.6411e-06 | deg |
| node | 143.5351942738458 | 7.1849e-05 | deg |
| peri | 230.4040181052785 | 7.5474e-05 | deg |
| M | 46.59139003986315 | 2.1794e-05 | deg |
| tp | 2459022.137316388509
(2020-Jun-21.63731639) | 8.3417e-05 | TDB |
| period | 1378.163777582053
3.77 | 8.9553e-06
2.452e-08 | d
yr |
| n | .2612171396868441 | 1.6974e-09 | deg/d |
| Q | 2.662840703105214 | 1.1535e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
16.18 |
|
n/a |
E2021B55 |
|
| rotation period |
rot_per |
4.48 |
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:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.] |
|
| 120728 (1997 SG32) Discovered 1997-Sep-28 by AMOS at Haleakala |
| Reference: 20060314/Numbers.arc | Last Updated: 2006-03-23 |
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