[ hide orbit diagram ]
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 18 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2404732556699559 | 5.6401e-08 | |
| a | 2.340849623299915 | 1.1293e-08 | au |
| q | 1.777937893351195 | 1.3826e-07 | au |
| i | 4.179137126961614 | 4.0298e-06 | deg |
| node | 49.09859787024034 | 7.3275e-05 | deg |
| peri | 335.5941968998608 | 7.4476e-05 | deg |
| M | 345.8814401295786 | 1.6189e-05 | deg |
| tp | 2459251.803453305047
(2021-Feb-06.30345330) | 5.9132e-05 | TDB |
| period | 1308.153477360689
3.58 | 9.466e-06
2.592e-08 | d
yr |
| n | .2751970668811207 | 1.9914e-09 | deg/d |
| Q | 2.903761353248635 | 1.4008e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
16.66 |
|
n/a |
E2021B55 |
|
|
| 102859 (1999 WH1) Discovered 1999-Nov-28 by Klet at Klet |
| Reference: 20051019/Numbers.arc | Last Updated: 2005-10-26 |
|
[ show close-approach data ]
|
