(2021 AB) |
Classification: Apollo [NEO] SPK-ID: 54104072 |
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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 4 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .649823776283702 | 0.00064089 | |
a | 2.502958292147901 | 0.0043618 | au |
q | .8764764828637464 | 7.6752e-05 | au |
i | 1.339634363386184 | 0.0010524 | deg |
node | 293.9699842167165 | 0.0016797 | deg |
peri | 212.7610575441419 | 0.0020238 | deg |
M | 347.9499323622277 | 0.033035 | deg |
tp | 2459248.913427471946 (2021-Feb-03.41342747) | 0.0061776 | TDB |
period | 1446.36813782422 3.96 | 3.7808 0.01035 | d yr |
n | .2488992882140988 | 0.00065062 | deg/d |
Q | 4.129440101432055 | 0.0071962 | 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 |
25.18 |
|
.2937 |
E2021A28 |
autocmod 2.8 |
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