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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 19 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .03264203691107406 | 5.2015e-08 | |
| a | 1.94072200763842 | 8.4374e-09 | au |
| q | 1.877372888230953 | 1.0221e-07 | au |
| i | 20.95492398740655 | 5.8404e-06 | deg |
| node | 244.4663529585671 | 1.3076e-05 | deg |
| peri | 352.9003697273713 | 8.0657e-05 | deg |
| M | 293.3900840965839 | 8.23e-05 | deg |
| tp | 2459183.217358273482
(2020-Nov-29.71735827) | 0.00022613 | TDB |
| period | 987.5143675880279
2.70 | 6.4399e-06
1.763e-08 | d
yr |
| n | .3645516579969246 | 2.3774e-09 | deg/d |
| Q | 2.004071127045887 | 8.7128e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
16.1 |
|
n/a |
MPO453473 |
|
|
| 101861 (1999 LA4) Discovered 1999-Jun-09 by LINEAR at Socorro |
| Reference: 20051019/Numbers.arc | Last Updated: 2005-10-26 |
|
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