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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 11 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .03635921310356962 | 7.6648e-08 | |
a | 2.755182321410915 | 3.6314e-08 | au |
q | 2.655006060247548 | 2.2627e-07 | au |
i | 3.173403737048583 | 7.6088e-06 | deg |
node | 345.2851379265647 | 0.00011233 | deg |
peri | 152.1271852322672 | 0.00017125 | deg |
M | 229.2371822281425 | 0.00013508 | deg |
tp | 2459607.244308696212 (2022-Jan-27.74430870) | 0.00063397 | TDB |
period | 1670.4133090167 4.57 | 3.3025e-05 9.042e-08 | d yr |
n | .2155155242458625 | 4.2608e-09 | deg/d |
Q | 2.855358582574282 | 3.7634e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2457981.5 (2017-Aug-16.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .03406375691151099 | 7.6532e-08 | |
q | 2.6620374392635 | 2.2536e-07 | au |
tp | 2457933.144544896261 (2017-Jun-28.64454490) | 0.00065378 | TDB |
node | 345.4651571147176 | 0.00011221 | deg |
peri | 151.4359600483497 | 0.00017762 | deg |
i | 3.175127732295089 | 7.6125e-06 | deg |
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| | Orbit Determination Parameters
Additional Information
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Orbit Covariance (6×6)
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|
e |
q |
tp |
node |
peri |
i |
e |
5.857213074461941E-15 |
-1.706598573875556E-14 |
-1.172187875599539E-11 |
5.233559775070782E-14 |
-2.264598413752056E-12 |
3.996247058340498E-15 |
q |
-1.706598573875556E-14 |
5.078756357810034E-14 |
4.509297266976065E-11 |
-1.659315862937852E-13 |
8.915448261812951E-12 |
-9.51211781972898E-15 |
tp |
-1.172187875599539E-11 |
4.509297266976065E-11 |
4.274315958894439E-7 |
-5.578040448072336E-10 |
9.004103990327203E-8 |
3.308391288146724E-11 |
node |
5.233559775070782E-14 |
-1.659315862937852E-13 |
-5.578040448072336E-10 |
1.259031748737744E-8 |
-1.268535539783722E-8 |
8.273834852338245E-11 |
peri |
-2.264598413752056E-12 |
8.915448261812951E-12 |
9.004103990327203E-8 |
-1.268535539783722E-8 |
3.154773606562348E-8 |
-7.548217957401098E-11 |
i |
3.996247058340498E-15 |
-9.51211781972898E-15 |
3.308391288146724E-11 |
8.273834852338245E-11 |
-7.548217957401098E-11 |
5.79503628495909E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
17.3 |
|
n/a |
MPO477090 |
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|
442535 (2011 WA138) Discovered 2007-Dec-17 by Spacewatch at Kitt Peak |
Reference: | Last Updated: 2015-09-02 |
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