[ hide orbit diagram ]
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .05682563668752635 | 4.4666e-08 | |
| a | 2.860364925863767 | 2.2873e-08 | au |
| q | 2.697822867792889 | 1.2981e-07 | au |
| i | 6.751662150697115 | 4.879e-06 | deg |
| node | 143.065891058716 | 3.01e-05 | deg |
| peri | 157.7347108989526 | 4.8934e-05 | deg |
| M | 357.692154755047 | 3.6133e-05 | deg |
| tp | 2459011.827518379686
(2020-Jun-11.32751838) | 0.00017732 | TDB |
| period | 1766.975764776563
4.84 | 2.1195e-05
5.803e-08 | d
yr |
| n | .2037379386725899 | 2.4438e-09 | deg/d |
| Q | 3.022906983934645 | 2.4173e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
16.0 |
|
n/a |
MPO476362 |
|
|
| 305849 (2009 EW4) Discovered 2009-Mar-15 by La Sagra at La Sagra |
| Reference: 20111110/Numbers.arc | Last Updated: 2011-11-14 |
|
|
