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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.
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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .08983515824837543 | 4.3976e-08 | |
| a | 2.27150237246272 | 1.2594e-08 | au |
| q | 2.067441597370971 | 1.0437e-07 | au |
| i | 4.145553059750855 | 6.4917e-06 | deg |
| node | 179.6463564996133 | 6.0085e-05 | deg |
| peri | 292.3985870810953 | 7.0125e-05 | deg |
| M | 326.3274922469359 | 3.5857e-05 | deg |
| tp | 2459117.461028822756
(2020-Sep-24.96102882) | 0.00012474 | TDB |
| period | 1250.45543637482
3.42 | 1.0399e-05
2.847e-08 | d
yr |
| n | .2878951056773934 | 2.3942e-09 | deg/d |
| Q | 2.475563147554469 | 1.3725e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
17.0 |
|
n/a |
MPO450048 |
|
|
| 226154 (2002 SD18) Discovered 2002-Sep-28 by NEAT at Palomar |
| Reference: 20091202/Numbers.arc | Last Updated: 2009-12-04 |
|
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