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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.
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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .09003819098232417 | 8.2328e-08 | |
a | 3.005381127366831 | 5.0593e-08 | au |
q | 2.734782047446303 | 2.4741e-07 | au |
i | 9.06298000779392 | 1.2706e-05 | deg |
node | 204.4864404421928 | 5.3908e-05 | deg |
peri | 102.4844306698121 | 8.7951e-05 | deg |
M | 241.1487143035778 | 7.3484e-05 | deg |
tp | 2459228.774079553052 (2021-Jan-14.27407955) | 0.00039686 | TDB |
period | 1903.039309282857 5.21 | 4.8054e-05 1.316e-07 | d yr |
n | .1891710792540921 | 4.7768e-09 | deg/d |
Q | 3.275980207287359 | 5.5148e-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 |
16.8 |
|
n/a |
MPO264763 |
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|
305946 (2009 HJ17) Discovered 2009-Apr-18 by Spacewatch at Kitt Peak |
Reference: 20111110/Numbers.arc | Last Updated: 2011-11-14 |
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