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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 13 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .04910186430640252 | 7.9295e-08 | |
| a | 3.054163943300396 | 3.6924e-08 | au |
| q | 2.904198799786953 | 2.4444e-07 | au |
| i | 2.9139562017341 | 7.0683e-06 | deg |
| node | 94.24245993647374 | 0.0001473 | deg |
| peri | 146.9418508354347 | 0.00016139 | deg |
| M | 30.96666015345157 | 6.2786e-05 | deg |
| tp | 2459032.801641126598
(2020-Jul-02.30164113) | 0.000341 | TDB |
| period | 1949.561525048597
5.34 | 3.5354e-05
9.679e-08 | d
yr |
| n | .1846569063733581 | 3.3486e-09 | deg/d |
| Q | 3.204129086813839 | 3.8737e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
16.73 |
|
n/a |
E2021B25 |
|
|
| 305972 (2009 HG76) Discovered 2009-Apr-24 by Mt. Lemmon Survey at Mount Lemmon |
| Reference: 20111110/Numbers.arc | Last Updated: 2011-11-14 |
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