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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1857069613357186 | 4.8545e-08 | |
| a | 2.639979435567211 | 1.1354e-08 | au |
| q | 2.149716876599238 | 1.2707e-07 | au |
| i | 11.39399330928976 | 3.8002e-06 | deg |
| node | 270.2120977982702 | 2.359e-05 | deg |
| peri | 134.4331574094666 | 2.6054e-05 | deg |
| M | 123.4673717647649 | 1.0764e-05 | deg |
| tp | 2458463.160279093552
(2018-Dec-10.66027909) | 4.5741e-05 | TDB |
| period | 1566.748338134835
4.29 | 1.0108e-05
2.767e-08 | d
yr |
| n | .2297752556920334 | 1.4824e-09 | deg/d |
| Q | 3.130241994535183 | 1.3463e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
13.9 |
|
n/a |
MPO337903 |
|
|
| 85550 (1997 YW) Discovered 1997-Dec-20 by Kobayashi, T. at Oizumi |
| Reference: 20040830/Numbers.arc | Last Updated: 2004-09-06 |
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