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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1216881661312134 | 5.8071e-08 | |
| a | 3.051644465276258 | 5.6188e-08 | au |
| q | 2.680295446612323 | 1.8418e-07 | au |
| i | 11.45420425704011 | 8.2345e-06 | deg |
| node | 146.3439527109177 | 2.9313e-05 | deg |
| peri | 313.0670656929587 | 4.6216e-05 | deg |
| M | 219.2851615140856 | 3.9685e-05 | deg |
| tp | 2459761.591241423470
(2022-Jul-01.09124142) | 0.00022725 | TDB |
| period | 1947.149638663558
5.33 | 5.3777e-05
1.472e-07 | d
yr |
| n | .1848856363433315 | 5.1062e-09 | deg/d |
| Q | 3.422993483940193 | 6.3025e-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 |
16.49 |
|
n/a |
E2021B25 |
|
|
| 523223 (2016 WJ57) Discovered 2007-Jan-27 by Mt. Lemmon Survey at Mount Lemmon |
| Reference: | Last Updated: 2018-05-31 |
|
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