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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .06647066916118116 | 4.2524e-08 | |
| a | 3.140071639749391 | 2.6692e-08 | au |
| q | 2.931348976641202 | 1.2425e-07 | au |
| i | 7.701109075802073 | 4.7447e-06 | deg |
| node | 140.7279762873262 | 3.6332e-05 | deg |
| peri | 139.8848805537864 | 5.6103e-05 | deg |
| M | 102.2411318138163 | 4.4184e-05 | deg |
| tp | 2458623.293903740016
(2019-May-19.79390374) | 0.0002471 | TDB |
| period | 2032.393332968894
5.56 | 2.5914e-05
7.095e-08 | d
yr |
| n | .1771310671808378 | 2.2585e-09 | deg/d |
| Q | 3.348794302857581 | 2.8466e-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 |
15.2 |
|
n/a |
MPO439779 |
|
|
| 120711 (1997 MC9) Discovered 1997-Jun-30 by Spacewatch at Kitt Peak |
| Reference: 20060314/Numbers.arc | Last Updated: 2006-03-23 |
|
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