(2018 PK21) |
Classification: Aten [NEO] SPK-ID: 3826775 |
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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 29 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .08183920315646247 | 1.605e-06 | |
a | .9853692498249392 | 1.4956e-07 | au |
q | .9047274156043851 | 1.7187e-06 | au |
i | 1.217171797465072 | 2.6796e-05 | deg |
node | 302.886437649861 | 0.00027501 | deg |
peri | 226.3501719589597 | 0.00010947 | deg |
M | 286.8597196539694 | 0.00013923 | deg |
tp | 2459273.085697522602 (2021-Feb-27.58569752) | 0.00012258 | TDB |
period | 357.2703165001578 0.98 | 8.134e-05 2.227e-07 | d yr |
n | 1.007640387050853 | 2.2941e-07 | deg/d |
Q | 1.066011084045493 | 1.618e-07 | au |
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| | Orbit Determination Parameters
Additional Information
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[ show covariance matrix ]
Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
25.9 |
|
.46799 |
MPO452057 |
autocmod 2.6n |
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