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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 22 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2098546424249719 | 4.0703e-08 | |
| a | 2.307994322255724 | 6.9221e-09 | au |
| q | 1.823650999039883 | 9.4967e-08 | au |
| i | 6.737439941185677 | 5.7758e-06 | deg |
| node | 178.1894797431996 | 2.9866e-05 | deg |
| peri | 223.5021609675601 | 3.2982e-05 | deg |
| M | 90.52179081583505 | 1.3251e-05 | deg |
| tp | 2458878.466414554585
(2020-Jan-29.96641455) | 4.6912e-05 | TDB |
| period | 1280.709205104119
3.51 | 5.7616e-06
1.577e-08 | d
yr |
| n | .2810942550933977 | 1.2646e-09 | deg/d |
| Q | 2.792337645471564 | 8.3748e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
15.7 |
|
n/a |
MPO502278 |
|
|
| 14416 (1991 RU7) Discovered 1991-Sep-08 by Oak Ridge Observatory at Harvard |
| Reference: 20000418/Numbers.arc | Last Updated: 2004-04-19 |
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