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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 18 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2348729121390081 | 3.7744e-08 | |
| a | 2.297707499943862 | 8.6727e-09 | au |
| q | 1.758038248188407 | 8.9079e-08 | au |
| i | 1.713015523533791 | 4.1213e-06 | deg |
| node | 20.76408086199237 | 0.00013521 | deg |
| peri | 6.692078017542971 | 0.00013557 | deg |
| M | 355.3148885212105 | 1.0068e-05 | deg |
| tp | 2459217.056097217147
(2021-Jan-02.55609722) | 3.5583e-05 | TDB |
| period | 1272.156495134877
3.48 | 7.2026e-06
1.972e-08 | d
yr |
| n | .282984052179706 | 1.6022e-09 | deg/d |
| Q | 2.837376751699316 | 1.071e-08 | au |
|
| | 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 |
16.70 |
|
n/a |
E2021B55 |
|
|
| 136239 (2003 WG142) Discovered 2003-Nov-21 by LINEAR at Socorro |
| Reference: 20060907/Numbers.arc | Last Updated: 2006-09-10 |
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