| (2018 EJ4) |
| Classification: Amor [NEO, PHA] SPK-ID: 3801934 |
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 64 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1834328442239171 | 1.1894e-08 | |
| a | 1.256943929974866 | 1.3066e-08 | au |
| q | 1.026379129869588 | 1.4169e-08 | au |
| i | 10.38807371477915 | 3.7736e-06 | deg |
| node | 78.09965104311412 | 3.1807e-06 | deg |
| peri | 188.2285223263811 | 1.5848e-05 | deg |
| M | 138.901126093882 | 9.6695e-06 | deg |
| tp | 2458801.901689181905
(2019-Nov-14.40168918) | 1.3246e-05 | TDB |
| period | 514.7214706250205
1.41 | 8.0259e-06
2.197e-08 | d
yr |
| n | .6994073893262235 | 1.0906e-08 | deg/d |
| Q | 1.487508730080144 | 1.5463e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
21.4 |
|
n/a |
E2018L55 |
|
| rotation period |
rot_per |
7.485 |
h |
n/a |
LCDB (Rev. 2019-August); Warner et al., 2009 |
Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2018) Minor Planet Bull. 45, 366-379.] |
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