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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 24 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1852921005331936 | 6.2962e-08 | |
| a | 2.777736285541888 | 3.4596e-08 | au |
| q | 2.263043694466561 | 1.6469e-07 | au |
| i | 8.929922258198248 | 7.0278e-06 | deg |
| node | 67.10398615417583 | 3.4334e-05 | deg |
| peri | 191.8975838460272 | 3.8215e-05 | deg |
| M | 128.8507095361571 | 1.8717e-05 | deg |
| tp | 2458595.271656146227
(2019-Apr-21.77165615) | 8.3028e-05 | TDB |
| period | 1690.966270746208
4.63 | 3.1591e-05
8.649e-08 | d
yr |
| n | .2128960265074567 | 3.9774e-09 | deg/d |
| Q | 3.292428876617215 | 4.1007e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ hide covariance matrix ]
Orbital Elements at Epoch 2457689.5 (2016-Oct-28.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1851533544769623 | 6.2804e-08 | |
| q | 2.263925429508206 | 1.6416e-07 | au |
| tp | 2456905.249078437925
(2014-Sep-04.74907844) | 7.7751e-05 | TDB |
| node | 67.10780408096814 | 3.4325e-05 | deg |
| peri | 192.196281507457 | 3.8257e-05 | deg |
| i | 8.930851013658682 | 7.0303e-06 | deg |
|
| | Orbit Determination Parameters
Additional Information
|
Orbit Covariance (6×6)
|
| |
e |
q |
tp |
node |
peri |
i |
| e |
3.944377301886818E-15 |
-1.018492221508541E-14 |
-2.460192745498032E-12 |
-1.343264897461464E-14 |
-4.7048296994137E-13 |
3.091356532929285E-15 |
| q |
-1.018492221508541E-14 |
2.694781815982515E-14 |
6.796315284072847E-12 |
3.27975406749629E-14 |
1.373258462177178E-12 |
-6.856092115099666E-15 |
| tp |
-2.460192745498032E-12 |
6.796315284072847E-12 |
6.045231674282179E-9 |
-2.009469719401825E-12 |
1.329943507842364E-9 |
6.277788782048352E-13 |
| node |
-1.343264897461464E-14 |
3.27975406749629E-14 |
-2.009469719401825E-12 |
1.178231583523043E-9 |
-1.164391249666272E-9 |
-1.101547661436398E-10 |
| peri |
-4.7048296994137E-13 |
1.373258462177178E-12 |
1.329943507842364E-9 |
-1.164391249666272E-9 |
1.463598663138628E-9 |
1.0919414519628E-10 |
| i |
3.091356532929285E-15 |
-6.856092115099666E-15 |
6.277788782048352E-13 |
-1.101547661436398E-10 |
1.0919414519628E-10 |
4.942500522673587E-11 |
|
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
16.3 |
|
n/a |
MPO437608 |
|
|
| 392698 (2011 WP140) Discovered 2011-Oct-20 by Mt. Lemmon Survey at Mount Lemmon |
| Reference: | Last Updated: 2014-04-17 |
|
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