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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 25 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1228384374481889 | 5.2818e-08 | |
| a | 3.051184806357948 | 1.8256e-08 | au |
| q | 2.676382032379283 | 1.6038e-07 | au |
| i | 2.791707787048816 | 5.5003e-06 | deg |
| node | 239.0281193247199 | 8.6895e-05 | deg |
| peri | 134.8810730134934 | 8.8999e-05 | deg |
| M | 52.08885783767592 | 1.8245e-05 | deg |
| tp | 2458718.828095371492
(2019-Aug-23.32809537) | 9.8414e-05 | TDB |
| period | 1946.70971635164
5.33 | 1.7471e-05
4.783e-08 | d
yr |
| n | .184927417260074 | 1.6597e-09 | deg/d |
| Q | 3.425987580336614 | 2.0498e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.8 |
|
n/a |
MPO502726 |
|
|
| 101516 (1998 XW28) Discovered 1998-Dec-14 by LINEAR at Socorro |
| Reference: 20051019/Numbers.arc | Last Updated: 2005-10-26 |
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