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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 18 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2289944053860387 | 3.7257e-08 | |
| a | 2.340665320369505 | 7.8956e-09 | au |
| q | 1.804666057123768 | 8.8375e-08 | au |
| i | 8.721676105283246 | 5.101e-06 | deg |
| node | 21.17138089230284 | 2.7671e-05 | deg |
| peri | 260.51059628001 | 3.0005e-05 | deg |
| M | 337.5354503491292 | 1.0594e-05 | deg |
| tp | 2459082.121133879865
(2020-Aug-20.62113388) | 3.8521e-05 | TDB |
| period | 1307.998987445195
3.58 | 6.6183e-06
1.812e-08 | d
yr |
| n | .2752295708601104 | 1.3926e-09 | deg/d |
| Q | 2.876664583615242 | 9.7037e-09 | 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 |
16.1 |
|
n/a |
MPO366107 |
|
|
| 74864 (1999 TF91) Discovered 1999-Oct-02 by LINEAR at Socorro |
| Reference: 20040415/Numbers.arc | Last Updated: 2004-04-19 |
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