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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.
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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1562226610618339 | 5.9137e-08 | |
| a | 2.248167693718079 | 1.7477e-08 | au |
| q | 1.896952954092195 | 1.3446e-07 | au |
| i | 1.636607088074806 | 6.4092e-06 | deg |
| node | 278.4552990976854 | 0.00024875 | deg |
| peri | 307.8519849896779 | 0.00025051 | deg |
| M | 194.4314969692416 | 2.8009e-05 | deg |
| tp | 2459566.761066169367
(2021-Dec-18.26106617) | 9.9153e-05 | TDB |
| period | 1231.236497820489
3.37 | 1.4357e-05
3.931e-08 | d
yr |
| n | .2923889932090747 | 3.4096e-09 | deg/d |
| Q | 2.599382433343964 | 2.0208e-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 |
17.9 |
|
n/a |
MPO437716 |
|
|
| 441371 (2008 EH21) Discovered 2008-Mar-02 by Spacewatch at Kitt Peak |
| Reference: | Last Updated: 2015-09-02 |
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