(2020 HE7) |
Classification: Aten [NEO] SPK-ID: 54016778 |
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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 | .1708745361531786 | 0.00023761 | |
a | .8723122692253549 | 0.00015872 | au |
q | .7232563148407457 | 0.00033887 | au |
i | 3.683664554486592 | 0.0062837 | deg |
node | 214.645116615832 | 0.0016372 | deg |
peri | 184.3862903504635 | 0.0082052 | deg |
M | 99.99824593613171 | 0.084575 | deg |
tp | 2459117.839832753855 (2020-Sep-25.33983275) | 0.047382 | TDB |
period | 297.5818218613371 0.81 | 0.081221 0.0002224 | d yr |
n | 1.209751313935256 | 0.00033019 | deg/d |
Q | 1.021368223609964 | 0.00018585 | 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 |
28.8 |
|
.32917 |
E2020-HM9 |
autocmod 2.8 |
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