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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.
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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2431797395410427 | 2.8779e-08 | |
| a | 2.570697759925242 | 1.1844e-08 | au |
| q | 1.94555614822788 | 7.114e-08 | au |
| i | 7.398040276033996 | 4.4976e-06 | deg |
| node | 263.5085235633712 | 3.2264e-05 | deg |
| peri | 61.59902096815955 | 3.4433e-05 | deg |
| M | 13.72691707577701 | 1.2466e-05 | deg |
| tp | 2458943.095562606490
(2020-Apr-03.59556261) | 5.2006e-05 | TDB |
| period | 1505.479879246226
4.12 | 1.0404e-05
2.848e-08 | d
yr |
| n | .2391264107629571 | 1.6526e-09 | deg/d |
| Q | 3.195839371622604 | 1.4724e-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 |
14.9 |
|
n/a |
MPO436246 |
|
|
| 66539 (1999 RX117) Discovered 1999-Sep-09 by LINEAR at Socorro |
| Reference: 20030910/Numbers.arc | Last Updated: 2004-04-19 |
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