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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 12 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2051097170742484 | 4.6991e-08 | |
| a | 2.430352831049938 | 1.2449e-08 | au |
| q | 1.931863849482687 | 1.1741e-07 | au |
| i | 1.70536410797125 | 8.7065e-06 | deg |
| node | 17.77878887362652 | 0.00014633 | deg |
| peri | 66.31024488321282 | 0.00014847 | deg |
| M | 118.9456837546701 | 2.3043e-05 | deg |
| tp | 2458543.255379351177
(2019-Feb-28.75537935) | 8.6938e-05 | TDB |
| period | 1383.892699907352
3.79 | 1.0633e-05
2.911e-08 | d
yr |
| n | .2601357749947673 | 1.9988e-09 | deg/d |
| Q | 2.92884181261719 | 1.5003e-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 |
17.8 |
|
n/a |
MPO459805 |
|
|
| 173170 (1997 EU31) Discovered 1997-Mar-10 by Spacewatch at Kitt Peak |
| Reference: 20080122/Numbers.arc | Last Updated: 2008-01-28 |
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