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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 18 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2431797425526129 | 3.3619e-08 | |
| a | 2.570697757840148 | 1.4492e-08 | au |
| q | 1.945556138908001 | 8.752e-08 | au |
| i | 7.398037374919094 | 4.9978e-06 | deg |
| node | 263.5085129962577 | 3.3156e-05 | deg |
| peri | 61.59902940587525 | 3.5677e-05 | deg |
| M | 13.72692004562519 | 1.6153e-05 | deg |
| tp | 2458943.095550256757
(2020-Apr-03.59555026) | 6.7275e-05 | TDB |
| period | 1505.479877414582
4.12 | 1.273e-05
3.485e-08 | d
yr |
| n | .2391264110538904 | 2.022e-09 | deg/d |
| Q | 3.195839376772294 | 1.8016e-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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