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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 26 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1359586847308152 | 3.6841e-08 | |
| a | 2.226395585445982 | 6.6301e-09 | au |
| q | 1.923697769958253 | 8.3392e-08 | au |
| i | 6.414623465044962 | 4.0052e-06 | deg |
| node | 40.96895429347099 | 2.6625e-05 | deg |
| peri | 323.3129363328679 | 2.9016e-05 | deg |
| M | 130.8289021547369 | 1.0788e-05 | deg |
| tp | 2458759.536014182472
(2019-Oct-03.03601418) | 3.6628e-05 | TDB |
| period | 1213.394229254887
3.32 | 5.4201e-06
1.484e-08 | d
yr |
| n | .2966884062247984 | 1.3253e-09 | deg/d |
| Q | 2.529093400933711 | 7.5315e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
15.6 |
|
n/a |
MPO439690 |
|
|
| 100846 (1998 HW25) Discovered 1998-Apr-20 by Spacewatch at Kitt Peak |
| Reference: 20051019/Numbers.arc | Last Updated: 2005-10-26 |
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