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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 23 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2172510055355825 | 4.2275e-08 | |
| a | 2.346675791519841 | 9.9016e-09 | au |
| q | 1.836858116146147 | 9.9898e-08 | au |
| i | 3.133553569291199 | 3.9496e-06 | deg |
| node | 73.1946377126458 | 8.4652e-05 | deg |
| peri | 275.7150200646621 | 8.5104e-05 | deg |
| M | 358.8578538023967 | 1.1588e-05 | deg |
| tp | 2459204.665788954111
(2020-Dec-21.16578895) | 4.2282e-05 | TDB |
| period | 1313.040332863553
3.59 | 8.3104e-06
2.275e-08 | d
yr |
| n | .2741728422118546 | 1.7353e-09 | deg/d |
| Q | 2.856493466893535 | 1.2053e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
16.07 |
|
n/a |
E2021B55 |
|
|
| 102938 (1999 XU47) Discovered 1999-Dec-07 by LINEAR at Socorro |
| Reference: 20051019/Numbers.arc | Last Updated: 2005-10-26 |
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