| (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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .6516707787364201 | 0.00063804 | |
| a | 2.518898596941632 | 0.0043888 | au |
| q | .8774059867146028 | 7.8468e-05 | au |
| i | 1.42483036767972 | 0.00089187 | deg |
| node | 293.3236069430916 | 0.0027308 | deg |
| peri | 213.1559528054882 | 0.0012251 | deg |
| M | 36.42979675997205 | 0.093812 | deg |
| tp | 2459248.735978848873
(2021-Feb-03.23597885) | 0.0056712 | TDB |
| period | 1460.207092696567
4.00 | 3.8162
0.01045 | d
yr |
| n | .2465403721161137 | 0.00064433 | deg/d |
| Q | 4.160391207168662 | 0.0072488 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
25.18 |
|
.2937 |
E2021A28 |
autocmod 2.8 |
|
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|
