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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 12 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1737207536132746 | 4.5273e-08 | |
| a | 2.264407000787152 | 1.3278e-08 | au |
| q | 1.871032510123233 | 1.0017e-07 | au |
| i | 4.031052300714119 | 7.4785e-06 | deg |
| node | 194.975037342167 | 6.1942e-05 | deg |
| peri | 110.7211529603483 | 6.5413e-05 | deg |
| M | 23.76424351423858 | 2.1412e-05 | deg |
| tp | 2458918.341660446963
(2020-Mar-09.84166045) | 7.3721e-05 | TDB |
| period | 1244.60104195498
3.41 | 1.0947e-05
2.997e-08 | d
yr |
| n | .2892493159370358 | 2.5441e-09 | deg/d |
| Q | 2.65778149145107 | 1.5585e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
17.8 |
|
n/a |
MPO433731 |
|
|
| 266677 (2009 HG71) Discovered 2009-Apr-22 by Mt. Lemmon Survey at Mount Lemmon |
| Reference: 20110218/Numbers.arc | Last Updated: 2011-02-22 |
|
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