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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 | .09585393860231496 | 5.1059e-08 | |
| a | 2.520860338378077 | 1.9466e-08 | au |
| q | 2.279225946278173 | 1.2807e-07 | au |
| i | 4.238992696164205 | 5.3251e-06 | deg |
| node | 161.5715741894593 | 6.4782e-05 | deg |
| peri | 290.2631352690654 | 6.9063e-05 | deg |
| M | 90.04589381779999 | 2.5109e-05 | deg |
| tp | 2458834.835316441973
(2019-Dec-17.33531644) | 0.00010133 | TDB |
| period | 1461.913258890522
4.00 | 1.6934e-05
4.636e-08 | d
yr |
| n | .2462526403743078 | 2.8524e-09 | deg/d |
| Q | 2.76249473047798 | 2.1332e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
16.07 |
|
n/a |
E2021B55 |
|
|
| 215458 (2002 PJ178) Discovered 2002-Aug-15 by NEAT at Palomar |
| Reference: 20090607/Numbers.arc | Last Updated: 2009-06-08 |
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