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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 26 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1857069588903071 | 4.8611e-08 | |
| a | 2.639979436261909 | 1.1376e-08 | au |
| q | 2.149716883620763 | 1.2727e-07 | au |
| i | 11.39399310301041 | 3.8367e-06 | deg |
| node | 270.2120979645275 | 2.3594e-05 | deg |
| peri | 134.4331562735028 | 2.6073e-05 | deg |
| M | 123.467372247103 | 1.0773e-05 | deg |
| tp | 2458463.160276782281
(2018-Dec-10.66027678) | 4.5791e-05 | TDB |
| period | 1566.748338753259
4.29 | 1.0127e-05
2.773e-08 | d
yr |
| n | .2297752556013369 | 1.4851e-09 | deg/d |
| Q | 3.130241988903056 | 1.3488e-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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