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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 12 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .01466240596752111 | 5.8519e-08 | |
a | 2.612708973077902 | 1.9305e-08 | au |
q | 2.574400373439648 | 1.6094e-07 | au |
i | 2.334794426274668 | 6.1083e-06 | deg |
node | 80.31307458849236 | 0.00012066 | deg |
peri | 29.81817290945392 | 0.00022145 | deg |
M | 317.8740143133928 | 0.00018572 | deg |
tp | 2459381.002223951516 (2021-Jun-15.50222395) | 0.00079591 | TDB |
period | 1542.534840750437 4.22 | 1.7097e-05 4.681e-08 | d yr |
n | .2333820867377371 | 2.5867e-09 | deg/d |
Q | 2.651017572716155 | 1.9589e-08 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2457885.5 (2017-May-12.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .01308073492051946 | 5.8687e-08 | |
q | 2.578194812257305 | 1.6103e-07 | au |
tp | 2457820.885588215184 (2017-Mar-08.38558822) | 0.00088373 | TDB |
node | 80.32042303549257 | 0.0001207 | deg |
peri | 25.80490320103006 | 0.00023928 | deg |
i | 2.335126313646759 | 6.1058e-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 |
3.444133450378948E-15 |
-9.392903112663972E-15 |
-7.844265430703074E-12 |
-1.740743247540563E-14 |
-1.709551358262232E-12 |
5.964702371621882E-16 |
q |
-9.392903112663972E-15 |
2.593151203209092E-14 |
2.069878509253341E-11 |
4.524582772193006E-14 |
4.501729891503256E-12 |
-1.473514374292178E-15 |
tp |
-7.844265430703074E-12 |
2.069878509253341E-11 |
7.809761501166205E-7 |
-3.537357127048727E-11 |
1.825914513025102E-7 |
1.065040644072625E-11 |
node |
-1.740743247540563E-14 |
4.524582772193006E-14 |
-3.537357127048727E-11 |
1.456963960367886E-8 |
-1.456589671120247E-8 |
-3.736005448830801E-11 |
peri |
-1.709551358262232E-12 |
4.501729891503256E-12 |
1.825914513025102E-7 |
-1.456589671120247E-8 |
5.725378082578384E-8 |
3.984060572806217E-11 |
i |
5.964702371621882E-16 |
-1.473514374292178E-15 |
1.065040644072625E-11 |
-3.736005448830801E-11 |
3.984060572806217E-11 |
3.728061593800957E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
16.9 |
|
n/a |
MPO494155 |
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|
207273 (2005 EL321) Discovered 2005-Mar-08 by Lowe, A. at Mayhill |
Reference: 20090209/Numbers.arc | Last Updated: 2009-02-11 |
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