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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 23 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .07341600097815494 | 3.8406e-08 | |
| a | 1.909524064030752 | 5.3153e-09 | au |
| q | 1.76933444347806 | 7.2592e-08 | au |
| i | 22.09756498155007 | 5.4375e-06 | deg |
| node | 9.019989619988026 | 1.0513e-05 | deg |
| peri | 103.8296580387185 | 4.7805e-05 | deg |
| M | 145.2090560359177 | 4.2191e-05 | deg |
| tp | 2458811.743796766182
(2019-Nov-24.24379677) | 0.00011339 | TDB |
| period | 963.7982436133819
2.64 | 4.0242e-06
1.102e-08 | d
yr |
| n | .3735221581752647 | 1.5596e-09 | deg/d |
| Q | 2.049713684583444 | 5.7055e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
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[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
16.20 |
|
n/a |
E2021B55 |
|
|
| 101727 (1999 ED7) Discovered 1999-Mar-15 by LINEAR at Socorro |
| Reference: 20051019/Numbers.arc | Last Updated: 2005-10-26 |
|
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