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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 9 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1304790259432396 | 1.4598e-07 | |
a | 2.626535011410798 | 4.6743e-08 | au |
q | 2.283827281516101 | 4.1473e-07 | au |
i | 8.936798973127468 | 8.985e-06 | deg |
node | 188.5633443971389 | 3.6375e-05 | deg |
peri | 336.9780787091621 | 4.2778e-05 | deg |
M | 253.9468057569142 | 2.4988e-05 | deg |
tp | 2459458.530576767996 (2021-Sep-01.03057677) | 0.00011553 | TDB |
period | 1554.795296957581 4.26 | 4.1505e-05 1.136e-07 | d yr |
n | .2315417345964752 | 6.181e-09 | deg/d |
Q | 2.969242741305494 | 5.2842e-08 | au |
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| | 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 |
16.8 |
|
n/a |
MPO494624 |
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|
305974 (2009 HS85) Discovered 2009-Apr-29 by Spacewatch at Kitt Peak |
Reference: 20111110/Numbers.arc | Last Updated: 2011-11-14 |
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