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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 17 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .09348813944101683 | 5.76e-08 | |
a | 5.153329254350083 | 1.8265e-07 | au |
q | 4.671554090433931 | 4.0762e-07 | au |
i | 20.46889756204372 | 8.311e-06 | deg |
node | 227.8477059220214 | 1.4068e-05 | deg |
peri | 104.864669601084 | 5.9704e-05 | deg |
M | 276.0340103282105 | 6.4098e-05 | deg |
tp | 2460197.123615902956 (2023-Sep-09.62361590) | 0.0008031 | TDB |
period | 4272.974130686712 11.70 | 0.00022718 6.22e-07 | d yr |
n | .08425045155659396 | 4.4793e-09 | deg/d |
Q | 5.635104418266234 | 1.9973e-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 |
12.98 |
|
n/a |
E2021B55 |
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283510 (2001 SD355) Discovered 2001-Sep-19 by NEAT at Palomar |
Reference: 20110813/Numbers.arc | Last Updated: 2011-08-16 |
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