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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.
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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1564731401155556 | 5.9149e-08 | |
a | 2.247857454341791 | 1.7528e-08 | au |
q | 1.896128139928772 | 1.345e-07 | au |
i | 1.636577908043274 | 6.4091e-06 | deg |
node | 278.4563583669971 | 0.00024878 | deg |
peri | 307.8454964952176 | 0.00025054 | deg |
M | 77.45222278794759 | 2.732e-05 | deg |
tp | 2458335.660375627193 (2018-Aug-05.16037563) | 9.2094e-05 | TDB |
period | 1230.981647037339 3.37 | 1.4398e-05 3.942e-08 | d yr |
n | .2924495266573867 | 3.4206e-09 | deg/d |
Q | 2.59958676875481 | 2.027e-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 |
17.9 |
|
n/a |
MPO437716 |
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|
441371 (2008 EH21) Discovered 2008-Mar-02 by Spacewatch at Kitt Peak |
Reference: | Last Updated: 2015-09-02 |
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