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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 | .08983516669484629 | 4.3806e-08 | |
| a | 2.271502375607851 | 1.239e-08 | au |
| q | 2.06744158104738 | 1.038e-07 | au |
| i | 4.145548355699872 | 6.4113e-06 | deg |
| node | 179.6463598551371 | 5.9902e-05 | deg |
| peri | 292.3985705354314 | 6.9814e-05 | deg |
| M | 326.3275051276673 | 3.5385e-05 | deg |
| tp | 2459117.460984324616
(2020-Sep-24.96098432) | 0.00012308 | TDB |
| period | 1250.455438971898
3.42 | 1.0231e-05
2.801e-08 | d
yr |
| n | .2878951050794625 | 2.3555e-09 | deg/d |
| Q | 2.475563170168321 | 1.3503e-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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