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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 11 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1963495722873752 | 4.975e-08 | |
| a | 2.369370273451339 | 1.0581e-08 | au |
| q | 1.904145433668747 | 1.1964e-07 | au |
| i | 1.58532570616954 | 5.474e-06 | deg |
| node | 164.9909964629285 | 0.00015205 | deg |
| peri | 212.422625414269 | 0.00015277 | deg |
| M | 113.6307387714084 | 1.1568e-05 | deg |
| tp | 2458780.024050948023
(2019-Oct-23.52405095) | 4.2777e-05 | TDB |
| period | 1332.133745633973
3.65 | 8.9238e-06
2.443e-08 | d
yr |
| n | .270243135255667 | 1.8103e-09 | deg/d |
| Q | 2.83459511323393 | 1.2659e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
17.47 |
|
n/a |
MPCxxxxx |
|
|
| 344355 (2001 WK81) Discovered 2001-Nov-20 by LINEAR at Socorro |
| Reference: 20121128/Numbers.arc | Last Updated: 2012-12-03 |
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