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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 5 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1216881661312134 | 5.8071e-08 | |
a | 3.051644465276258 | 5.6188e-08 | au |
q | 2.680295446612323 | 1.8418e-07 | au |
i | 11.45420425704011 | 8.2345e-06 | deg |
node | 146.3439527109177 | 2.9313e-05 | deg |
peri | 313.0670656929587 | 4.6216e-05 | deg |
M | 219.2851615140856 | 3.9685e-05 | deg |
tp | 2459761.591241423470 (2022-Jul-01.09124142) | 0.00022725 | TDB |
period | 1947.149638663558 5.33 | 5.3777e-05 1.472e-07 | d yr |
n | .1848856363433315 | 5.1062e-09 | deg/d |
Q | 3.422993483940193 | 6.3025e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2458105.5 (2017-Dec-18.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1203919467013775 | 5.6711e-08 | |
q | 2.683081570898062 | 1.8063e-07 | au |
tp | 2457801.825923886642 (2017-Feb-17.32592389) | 0.00020102 | TDB |
node | 146.7388767688336 | 2.9453e-05 | deg |
peri | 310.7637864105144 | 4.6821e-05 | deg |
i | 11.42045339078381 | 8.22e-06 | deg |
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| | Orbit Determination Parameters
Additional Information
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Orbit Covariance (6×6)
|
|
e |
q |
tp |
node |
peri |
i |
e |
3.216178848345862E-15 |
-9.850802594556548E-15 |
2.522851874346996E-12 |
2.039240237109433E-15 |
4.373887259899552E-13 |
-2.385949822784589E-15 |
q |
-9.850802594556548E-15 |
3.262734700086418E-14 |
-2.863205803762744E-12 |
4.946993589093714E-15 |
-4.238295275034261E-13 |
1.198838301703016E-14 |
tp |
2.522851874346996E-12 |
-2.863205803762744E-12 |
4.040747853341165E-8 |
7.355796305786149E-11 |
7.346401841215726E-9 |
-9.191416269658945E-12 |
node |
2.039240237109433E-15 |
4.946993589093714E-15 |
7.355796305786149E-11 |
8.674789926335138E-10 |
-8.3646238162051E-10 |
1.621407894829079E-11 |
peri |
4.373887259899552E-13 |
-4.238295275034261E-13 |
7.346401841215726E-9 |
-8.3646238162051E-10 |
2.192214258746373E-9 |
-1.763612164735881E-11 |
i |
-2.385949822784589E-15 |
1.198838301703016E-14 |
-9.191416269658945E-12 |
1.621407894829079E-11 |
-1.763612164735881E-11 |
6.756845107304807E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
16.2 |
|
n/a |
MPO448179 |
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|
523223 (2016 WJ57) Discovered 2007-Jan-27 by Mt. Lemmon Survey at Mount Lemmon |
Reference: | Last Updated: 2018-05-31 |
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