(2021 AC) |
Classification: Apollo [NEO] SPK-ID: 54104073 |
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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 13 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .07442539470227519 | 0.00011204 | |
a | 1.036537713887743 | 0.00020769 | au |
q | .9593929854078532 | 7.61e-05 | au |
i | 26.61409697021259 | 0.019577 | deg |
node | 285.2564979072121 | 9.172e-05 | deg |
peri | 251.4860706469278 | 0.1093 | deg |
M | 91.17433955162736 | 0.17693 | deg |
tp | 2458902.878334089533 (2020-Feb-23.37833409) | 0.21878 | TDB |
period | 385.4571352048908 1.06 | 0.11585 0.0003172 | d yr |
n | .9339559891883723 | 0.00028071 | deg/d |
Q | 1.113682442367632 | 0.00022315 | 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 |
23.70 |
|
.39553 |
E2021-BA4 |
autocmod 2.8 |
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