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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 16 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2307254685144046 | 9.4484e-08 | |
a | 2.569394594021822 | 2.2373e-08 | au |
q | 1.976569822517759 | 2.5649e-07 | au |
i | 6.228280471028322 | 5.1095e-06 | deg |
node | 164.0598004896395 | 3.9201e-05 | deg |
peri | 216.0230806561431 | 4.1508e-05 | deg |
M | 9.950087727290931 | 8.2583e-06 | deg |
tp | 2459158.921478223881 (2020-Nov-05.42147822) | 3.4717e-05 | TDB |
period | 1504.335263130209 4.12 | 1.9648e-05 5.379e-08 | d yr |
n | .2393083568691428 | 3.1256e-09 | deg/d |
Q | 3.162219365525885 | 2.7534e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2458178.5 (2018-Mar-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2330372842661978 | 9.488e-08 | |
q | 1.969574439981013 | 2.5791e-07 | au |
tp | 2457654.391649641135 (2016-Sep-22.89164964) | 4.5537e-05 | TDB |
node | 164.2121060429876 | 3.921e-05 | deg |
peri | 215.8515777493943 | 4.1451e-05 | deg |
i | 6.229910647919329 | 5.1164e-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 |
9.00230513190347E-15 |
-2.444996342049324E-14 |
2.954079719802742E-12 |
4.398934159043551E-14 |
8.609310530997785E-13 |
-2.521048897572666E-14 |
q |
-2.444996342049324E-14 |
6.651787167006889E-14 |
-8.172728869485008E-12 |
-1.198765418321384E-13 |
-2.369677240846823E-12 |
6.921911912429026E-14 |
tp |
2.954079719802742E-12 |
-8.172728869485008E-12 |
2.073577113373407E-9 |
1.695994801180898E-11 |
6.260351290466159E-10 |
-9.146877511999393E-12 |
node |
4.398934159043551E-14 |
-1.198765418321384E-13 |
1.695994801180898E-11 |
1.537444845001357E-9 |
-1.522740267028008E-9 |
1.087157434238474E-10 |
peri |
8.609310530997785E-13 |
-2.369677240846823E-12 |
6.260351290466159E-10 |
-1.522740267028008E-9 |
1.718190168961896E-9 |
-1.108142744256111E-10 |
i |
-2.521048897572666E-14 |
6.921911912429026E-14 |
-9.146877511999393E-12 |
1.087157434238474E-10 |
-1.108142744256111E-10 |
2.617732346344539E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
16.77 |
|
n/a |
E2020R02 |
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|
390185 (2012 WF16) Discovered 2008-Dec-21 by CSS at Catalina |
Reference: | Last Updated: 2014-03-21 |
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