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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.
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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1558309295961118 | 3.9468e-08 | |
| a | 2.399974898908371 | 1.384e-08 | au |
| q | 2.025984579404145 | 9.7306e-08 | au |
| i | 3.876604469909896 | 4.0667e-06 | deg |
| node | 78.50554278826787 | 7.2358e-05 | deg |
| peri | 137.4688922536795 | 7.4231e-05 | deg |
| M | 4.284142122194177 | 1.4656e-05 | deg |
| tp | 2458984.338939911010
(2020-May-14.83893991) | 5.53e-05 | TDB |
| period | 1358.027223675891
3.72 | 1.1747e-05
3.216e-08 | d
yr |
| n | .2650904147750121 | 2.2931e-09 | deg/d |
| Q | 2.773965218412597 | 1.5997e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ hide covariance matrix ]
Orbital Elements at Epoch 2457574.5 (2016-Jul-05.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1563562734840869 | 3.9443e-08 | |
| q | 2.02513129252362 | 9.7326e-08 | au |
| tp | 2457625.120714845859
(2016-Aug-24.62071485) | 5.7395e-05 | TDB |
| node | 78.51608645016849 | 7.237e-05 | deg |
| peri | 137.219627901632 | 7.423e-05 | deg |
| i | 3.876426743327478 | 4.0662e-06 | deg |
|
| | Orbit Determination Parameters
Additional Information
|
Orbit Covariance (6×6)
|
| |
e |
q |
tp |
node |
peri |
i |
| e |
1.555717788950698E-15 |
-3.811855390725446E-15 |
-1.717200337240475E-13 |
-2.354748413425384E-14 |
-4.37840144204057E-15 |
-2.553260810993632E-15 |
| q |
-3.811855390725446E-15 |
9.472443434806566E-15 |
2.176010617340307E-13 |
5.74498231183203E-14 |
-4.907626641218756E-14 |
6.233014088627077E-15 |
| tp |
-1.717200337240475E-13 |
2.176010617340307E-13 |
3.294151980815743E-9 |
9.558345403966535E-12 |
9.706910141091223E-10 |
1.934820326148187E-12 |
| node |
-2.354748413425384E-14 |
5.74498231183203E-14 |
9.558345403966535E-12 |
5.237375773431248E-9 |
-5.222559744781091E-9 |
2.027158345911322E-12 |
| peri |
-4.37840144204057E-15 |
-4.907626641218756E-14 |
9.706910141091223E-10 |
-5.222559744781091E-9 |
5.510021504661365E-9 |
-1.448804923334007E-12 |
| i |
-2.553260810993632E-15 |
6.233014088627077E-15 |
1.934820326148187E-12 |
2.027158345911322E-12 |
-1.448804923334007E-12 |
1.653362441716203E-11 |
|
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
17.1 |
|
n/a |
MPO418369 |
|
|
| 257346 (2009 KA3) Discovered 2009-May-20 by Lowe, A. at Mayhill |
| Reference: 20101128/Numbers.arc | Last Updated: 2010-12-06 |
|
|
