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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 9 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1962392074259381 | 5.0546e-08 | |
a | 2.369295962680222 | 1.1177e-08 | au |
q | 1.904347200806381 | 1.2202e-07 | au |
i | 1.585172982117388 | 5.4924e-06 | deg |
node | 164.9964114791079 | 0.00016245 | deg |
peri | 212.4120232731284 | 0.00016343 | deg |
M | 59.59950000564074 | 1.3278e-05 | deg |
tp | 2458779.970082988066 (2019-Oct-23.47008299) | 4.939e-05 | TDB |
period | 1332.071076381218 3.65 | 9.4261e-06 2.581e-08 | d yr |
n | .2702558492434181 | 1.9124e-09 | deg/d |
Q | 2.834244724554064 | 1.3371e-08 | 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 |
17.4 |
|
n/a |
MPO494802 |
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344355 (2001 WK81) Discovered 2001-Nov-20 by LINEAR at Socorro |
Reference: 20121128/Numbers.arc | Last Updated: 2012-12-03 |
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