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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 11 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1055978332401013 | 5.3407e-08 | |
| a | 1.981620982368561 | 1.6152e-08 | au |
| q | 1.77236610032732 | 1.1e-07 | au |
| i | 18.90416263392026 | 5.715e-06 | deg |
| node | 233.6747631177665 | 2.0436e-05 | deg |
| peri | 229.8886646672113 | 5.7158e-05 | deg |
| M | 298.3727837225234 | 5.6675e-05 | deg |
| tp | 2459374.921238220179
(2021-Jun-09.42123822) | 0.00016204 | TDB |
| period | 1018.894727883617
2.79 | 1.2457e-05
3.411e-08 | d
yr |
| n | .3533240384389553 | 4.3199e-09 | deg/d |
| Q | 2.190875864409802 | 1.7858e-08 | au |
|
| | 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 |
17.9 |
|
n/a |
MPO368388 |
|
|
| 349922 (2009 TW42) Discovered 2009-Oct-01 by Charleston at Charleston |
| Reference: 20121228/Numbers.arc | Last Updated: 2013-01-02 |
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