(2018 XE4) |
Classification: Apollo [NEO] SPK-ID: 3836890 |
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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 6 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .4459950491840534 | 4.8196e-07 | |
a | 1.587195192974303 | 9.8621e-09 | au |
q | .8793139948190357 | 7.6142e-07 | au |
i | 2.997269422111324 | 6.725e-05 | deg |
node | 264.3021717675096 | 6.6916e-05 | deg |
peri | 237.7954914905862 | 0.00034273 | deg |
M | 239.0972483771825 | 0.00013411 | deg |
tp | 2459245.788744561645 (2021-Jan-31.28874456) | 0.00027416 | TDB |
period | 730.3716983851245 2.00 | 6.8073e-06 1.864e-08 | d yr |
n | .4928997122916614 | 4.594e-09 | deg/d |
Q | 2.295076391129571 | 1.4261e-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 |
26.57 |
|
.25724 |
E2020Y56 |
autocmod 2.6q |
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