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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 | .2047314584853405 | 4.2355e-08 | |
a | 2.389381914383207 | 1.2941e-08 | au |
q | 1.900200270173038 | 9.9498e-08 | au |
i | 10.72602099360468 | 4.509e-06 | deg |
node | 52.16160459324139 | 2.4332e-05 | deg |
peri | 50.51477077794399 | 2.9167e-05 | deg |
M | 98.6134285980049 | 1.1453e-05 | deg |
tp | 2458830.960945807259 (2019-Dec-13.46094581) | 4.3612e-05 | TDB |
period | 1349.046082270362 3.69 | 1.0959e-05 3e-08 | d yr |
n | .2668552280987629 | 2.1679e-09 | deg/d |
Q | 2.878563558593376 | 1.559e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2457785.5 (2017-Feb-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2042402462844786 | 4.2271e-08 | |
q | 1.902457796495498 | 9.9371e-08 | au |
tp | 2457482.407703770015 (2016-Apr-03.90770377) | 4.806e-05 | TDB |
node | 52.16837436285964 | 2.4334e-05 | deg |
peri | 50.793361696071 | 2.9193e-05 | deg |
i | 10.72398479293572 | 4.5071e-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 |
1.786821834296958E-15 |
-4.178289625226758E-15 |
-3.662195952700483E-13 |
1.915321305842241E-14 |
-1.504761070792674E-13 |
-1.409377212698782E-14 |
q |
-4.178289625226758E-15 |
9.874532322558078E-15 |
6.278868676434923E-13 |
-4.231810240387968E-14 |
2.836672206636176E-13 |
3.394097834604907E-14 |
tp |
-3.662195952700483E-13 |
6.278868676434923E-13 |
2.30974068963923E-9 |
-1.943115923292647E-11 |
7.904700547407959E-10 |
-3.098958770164904E-12 |
node |
1.915321305842241E-14 |
-4.231810240387968E-14 |
-1.943115923292647E-11 |
5.921289834300771E-10 |
-5.877093284965451E-10 |
2.485500105844934E-11 |
peri |
-1.504761070792674E-13 |
2.836672206636176E-13 |
7.904700547407959E-10 |
-5.877093284965451E-10 |
8.522468206851363E-10 |
-2.537967465869707E-11 |
i |
-1.409377212698782E-14 |
3.394097834604907E-14 |
-3.098958770164904E-12 |
2.485500105844934E-11 |
-2.537967465869707E-11 |
2.031361325095953E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
17.29 |
|
n/a |
E2021B25 |
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|
447136 (2004 XN131) Discovered 2004-Dec-11 by LINEAR at Socorro |
Reference: | Last Updated: 2015-10-28 |
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