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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 | .05772659263134198 | 1.1797e-07 | |
a | 2.600023567280048 | 3.2079e-08 | au |
q | 2.449933065979784 | 3.2954e-07 | au |
i | 21.42486798162192 | 3.6285e-06 | deg |
node | 279.0088791599123 | 2.697e-05 | deg |
peri | 118.090319291919 | 9.4444e-05 | deg |
M | 349.1892640771999 | 8.4247e-05 | deg |
tp | 2459246.485097512300 (2021-Jan-31.98509751) | 0.00035829 | TDB |
period | 1531.31435479003 4.19 | 2.834e-05 7.759e-08 | d yr |
n | .2350921604528172 | 4.3509e-09 | deg/d |
Q | 2.750114068580312 | 3.3931e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2458722.5 (2019-Aug-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .0580942909723612 | 1.1847e-07 | |
q | 2.451215321956154 | 3.3096e-07 | au |
tp | 2459242.581845515641 (2021-Jan-28.08184552) | 0.00035336 | TDB |
node | 279.0108860939463 | 2.6963e-05 | deg |
peri | 117.0923415167909 | 9.3325e-05 | deg |
i | 21.42275882804603 | 3.6248e-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 |
1.403470469865234E-14 |
-3.913266892828699E-14 |
-1.119095522746507E-11 |
-4.138811026507491E-14 |
-1.93367539748328E-12 |
-1.729202281249408E-13 |
q |
-3.913266892828699E-14 |
1.095367945609885E-13 |
2.817563668683195E-11 |
1.158479470774898E-13 |
4.58142358759339E-12 |
4.792119736606577E-13 |
tp |
-1.119095522746507E-11 |
2.817563668683195E-11 |
1.248632863054021E-7 |
7.705371075355642E-12 |
3.161785193521515E-8 |
3.019541163556884E-10 |
node |
-4.138811026507491E-14 |
1.158479470774898E-13 |
7.705371075355642E-12 |
7.269851359330741E-10 |
-6.78125186508711E-10 |
3.264078742130055E-11 |
peri |
-1.93367539748328E-12 |
4.58142358759339E-12 |
3.161785193521515E-8 |
-6.78125186508711E-10 |
8.709606129274006E-9 |
3.642953448942206E-11 |
i |
-1.729202281249408E-13 |
4.792119736606577E-13 |
3.019541163556884E-10 |
3.264078742130055E-11 |
3.642953448942206E-11 |
1.313923623698807E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
15.86 |
|
n/a |
E2021B25 |
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|
344968 (2004 XT31) Discovered 2004-Dec-09 by CSS at Catalina |
Reference: 20121128/Numbers.arc | Last Updated: 2012-12-03 |
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