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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 18 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .07247370625334047 | 4.0624e-08 | |
| a | 2.388037055853258 | 1.4301e-08 | au |
| q | 2.214967159745257 | 9.6967e-08 | au |
| i | 7.527129455250426 | 4.7619e-06 | deg |
| node | 54.89680843224691 | 2.8057e-05 | deg |
| peri | 204.2612561242287 | 4.4116e-05 | deg |
| M | 41.4553142999508 | 3.1758e-05 | deg |
| tp | 2459045.283555611364
(2020-Jul-14.78355561) | 0.0001195 | TDB |
| period | 1347.907280972548
3.69 | 1.2108e-05
3.315e-08 | d
yr |
| n | .2670806850603635 | 2.3991e-09 | deg/d |
| Q | 2.561106951961259 | 1.5337e-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 |
16.49 |
|
n/a |
E2021B55 |
|
|
| 102877 (1999 WV13) Discovered 1999-Nov-28 by Spacewatch at Kitt Peak |
| Reference: 20051019/Numbers.arc | Last Updated: 2005-10-26 |
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