(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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .08091134322707394 | 1.6342e-06 | |
a | .988353212960831 | 3.0165e-07 | au |
q | .9083842269173759 | 1.8924e-06 | au |
i | 1.194449830388163 | 2.7981e-05 | deg |
node | 304.505612819266 | 0.00016503 | deg |
peri | 223.0795495685402 | 0.00032933 | deg |
M | 87.71135331693014 | 0.00033854 | deg |
tp | 2458913.058015454515 (2020-Mar-04.55801545) | 0.00037722 | TDB |
period | 358.8944104263221 0.98 | 0.00016431 4.499e-07 | d yr |
n | 1.003080542748951 | 4.5922e-07 | deg/d |
Q | 1.068322199004286 | 3.2606e-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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