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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 | .2493462495433667 | 4.3883e-08 | |
| a | 2.458937758169355 | 1.4305e-08 | au |
| q | 1.845810850309252 | 1.1363e-07 | au |
| i | .7091582786361582 | 6.4752e-06 | deg |
| node | 258.9624982130135 | 0.00037963 | deg |
| peri | 50.19660890093 | 0.00037996 | deg |
| M | 153.1893840137868 | 1.944e-05 | deg |
| tp | 2458401.197761800065
(2018-Oct-09.69776180) | 7.2371e-05 | TDB |
| period | 1408.379615473613
3.86 | 1.229e-05
3.365e-08 | d
yr |
| n | .2556129015534909 | 2.2306e-09 | deg/d |
| Q | 3.072064666029457 | 1.7872e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
16.9 |
|
n/a |
MPO454189 |
|
|
| 173258 (1999 RT136) Discovered 1999-Sep-09 by LINEAR at Socorro |
| Reference: 20080122/Numbers.arc | Last Updated: 2008-01-28 |
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