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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 25 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2301406520007796 | 3.7038e-08 | |
| a | 2.616824765771347 | 1.2786e-08 | au |
| q | 2.014587008004942 | 9.4685e-08 | au |
| i | 6.373482858797513 | 4.6322e-06 | deg |
| node | 154.2260079701539 | 2.8673e-05 | deg |
| peri | 44.25621125382867 | 3.0097e-05 | deg |
| M | 114.4658998191082 | 9.4144e-06 | deg |
| tp | 2458708.874937409291
(2019-Aug-13.37493741) | 3.8624e-05 | TDB |
| period | 1546.18120167095
4.23 | 1.1332e-05
3.103e-08 | d
yr |
| n | .2328317014920049 | 1.7064e-09 | deg/d |
| Q | 3.219062523537753 | 1.5728e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
15.77 |
|
n/a |
E2021B55 |
|
|
| 120784 (1998 EY20) Discovered 1998-Mar-03 by Elst, E. W. at La Silla |
| Reference: 20060314/Numbers.arc | Last Updated: 2006-03-23 |
|
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