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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 14 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .229360204082918 | 5.1879e-08 | |
| a | 2.365718586997755 | 1.0965e-08 | au |
| q | 1.823116889081197 | 1.2368e-07 | au |
| i | 5.638128503832299 | 6.8758e-06 | deg |
| node | 317.5797761120431 | 4.5864e-05 | deg |
| peri | 256.112525524944 | 4.8534e-05 | deg |
| M | 352.8790936562032 | 1.4149e-05 | deg |
| tp | 2459026.789106332951
(2020-Jun-26.28910633) | 5.2218e-05 | TDB |
| period | 1329.055294780927
3.64 | 9.2403e-06
2.53e-08 | d
yr |
| n | .2708690913114644 | 1.8832e-09 | deg/d |
| Q | 2.908320284914312 | 1.348e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
16.8 |
|
n/a |
MPO418140 |
|
|
| 212957 (2009 BY57) Discovered 2009-Jan-20 by Spacewatch at Kitt Peak |
| Reference: 20090409/Numbers.arc | Last Updated: 2009-04-10 |
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