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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 | .04984165067047439 | 7.7458e-08 | |
| a | 3.045481819427748 | 3.8295e-08 | au |
| q | 2.893689978460549 | 2.47e-07 | au |
| i | 9.419481855870323 | 7.2468e-06 | deg |
| node | 183.9832580116839 | 4.2158e-05 | deg |
| peri | 66.91676992163973 | 7.3624e-05 | deg |
| M | 17.81966298625846 | 5.8658e-05 | deg |
| tp | 2459104.409726575831
(2020-Sep-11.90972658) | 0.00031659 | TDB |
| period | 1941.254358142282
5.31 | 3.6615e-05
1.002e-07 | d
yr |
| n | .1854471045950457 | 3.4978e-09 | deg/d |
| Q | 3.197273660394947 | 4.0203e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ hide covariance matrix ]
Orbital Elements at Epoch 2457863.5 (2017-Apr-20.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .04879339441910015 | 7.7735e-08 | |
| q | 2.89733533730838 | 2.4801e-07 | au |
| tp | 2457158.147865069094
(2015-May-15.64786507) | 0.00032819 | TDB |
| node | 184.0168350925882 | 4.215e-05 | deg |
| peri | 65.90296153310354 | 7.4223e-05 | deg |
| i | 9.419742226134275 | 7.2491e-06 | deg |
|
| | Orbit Determination Parameters
Additional Information
|
Orbit Covariance (6×6)
|
| |
e |
q |
tp |
node |
peri |
i |
| e |
6.042769065726645E-15 |
-1.907699919984325E-14 |
-8.963598077260089E-12 |
4.392195984420695E-16 |
-1.650468949237032E-12 |
-1.335584279613308E-14 |
| q |
-1.907699919984325E-14 |
6.150757542292597E-14 |
2.409155862325255E-11 |
4.139443152606275E-15 |
4.491804022362931E-12 |
4.599329103586837E-14 |
| tp |
-8.963598077260089E-12 |
2.409155862325255E-11 |
1.077086397123481E-7 |
1.332536110436877E-11 |
2.012231788583047E-8 |
2.239207553062214E-11 |
| node |
4.392195984420695E-16 |
4.139443152606275E-15 |
1.332536110436877E-11 |
1.776641303062948E-9 |
-1.749270883796651E-9 |
1.72966728429019E-10 |
| peri |
-1.650468949237032E-12 |
4.491804022362931E-12 |
2.012231788583047E-8 |
-1.749270883796651E-9 |
5.50901784415934E-9 |
-1.662630773563296E-10 |
| i |
-1.335584279613308E-14 |
4.599329103586837E-14 |
2.239207553062214E-11 |
1.72966728429019E-10 |
-1.662630773563296E-10 |
5.254957419341486E-11 |
|
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
16.25 |
|
n/a |
E2021B25 |
|
|
| 305715 (2009 BU188) Discovered 2009-Jan-30 by Mt. Lemmon Survey at Mount Lemmon |
| Reference: 20111110/Numbers.arc | Last Updated: 2011-11-14 |
|
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