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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 16 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2177799915184992 | 5.9796e-08 | |
| a | 2.650586026687734 | 2.2326e-08 | au |
| q | 2.073341424276627 | 1.6883e-07 | au |
| i | 11.84272361239946 | 5.0719e-06 | deg |
| node | 20.26857984625732 | 2.4508e-05 | deg |
| peri | 208.8545158547534 | 2.9048e-05 | deg |
| M | 306.2519312378136 | 2.0864e-05 | deg |
| tp | 2459235.826939334921
(2021-Jan-21.32693934) | 9.359e-05 | TDB |
| period | 1576.199854461999
4.32 | 1.9915e-05
5.452e-08 | d
yr |
| n | .2283974325850183 | 2.8858e-09 | deg/d |
| Q | 3.227830629098842 | 2.7189e-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 |
15.7 |
|
n/a |
MPO422268 |
|
|
| 91298 (1999 FQ31) Discovered 1999-Mar-19 by LINEAR at Socorro |
| Reference: 20041028/Numbers.arc | Last Updated: 2004-10-29 |
|
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