(2019 HF4) |
Classification: Apollo [NEO] SPK-ID: 3841669 |
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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .3792618965966699 | 0.00041542 | |
a | 1.58912736490463 | 0.0010437 | au |
q | .9864319065572318 | 1.2461e-05 | au |
i | 3.853170623029692 | 0.0033247 | deg |
node | 34.45855333400023 | 9.6437e-05 | deg |
peri | 153.1347739958234 | 0.0013335 | deg |
M | 307.5796318939903 | 0.30506 | deg |
tp | 2459307.045239970286 (2021-Apr-02.54523997) | 0.725 | TDB |
period | 731.7057810760707 2.00 | 0.72083 0.001974 | d yr |
n | .4920010328066181 | 0.00048469 | deg/d |
Q | 2.191822823252028 | 0.0014395 | 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 |
27.6 |
|
.19029 |
MPO467582 |
autocmod 2.6q |
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