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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.
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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .08284740893575561 | 8.6589e-08 | |
| a | 2.945378972844558 | 3.9456e-08 | au |
| q | 2.701361956610529 | 2.6165e-07 | au |
| i | 3.541001903174216 | 7.6751e-06 | deg |
| node | 296.4357356121258 | 0.00012498 | deg |
| peri | 36.39653684543144 | 0.00013198 | deg |
| M | 59.8861966586341 | 3.7864e-05 | deg |
| tp | 2458693.361378085539
(2019-Jul-28.86137809) | 0.00019655 | TDB |
| period | 1846.333713918775
5.05 | 3.71e-05
1.016e-07 | d
yr |
| n | .1949810033181452 | 3.9179e-09 | deg/d |
| Q | 3.189395989078586 | 4.2725e-08 | 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 |
16.3 |
|
n/a |
MPO455389 |
|
|
| 324132 (2005 YY55) Discovered 2005-Dec-21 by Spacewatch at Kitt Peak |
| Reference: 20120406/Numbers.arc | Last Updated: 2012-04-09 |
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