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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 22 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1519268303521331 | 5.4254e-08 | |
| a | 3.176687873725965 | 2.6394e-08 | au |
| q | 2.694063754052722 | 1.8235e-07 | au |
| i | 6.590565504510614 | 5.6124e-06 | deg |
| node | 352.5358129641965 | 4.0506e-05 | deg |
| peri | 9.457507764037155 | 4.3507e-05 | deg |
| M | 345.6095682499842 | 1.5903e-05 | deg |
| tp | 2459283.166884023131
(2021-Mar-09.66688402) | 9.1686e-05 | TDB |
| period | 2068.046238313505
5.66 | 2.5774e-05
7.057e-08 | d
yr |
| n | .1740773457239431 | 2.1695e-09 | deg/d |
| Q | 3.659311993399208 | 3.0404e-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 |
14.75 |
|
n/a |
E2021B55 |
|
|
| 120927 (1998 SJ108) Discovered 1998-Sep-26 by LINEAR at Socorro |
| Reference: 20060314/Numbers.arc | Last Updated: 2006-03-23 |
|
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