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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 25 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .3176024309477108 | 3.2048e-08 | |
| a | 2.340405714591251 | 5.7923e-09 | au |
| q | 1.597087170233155 | 7.6091e-08 | au |
| i | 22.30030323577187 | 3.9808e-06 | deg |
| node | 187.0801585717974 | 1.0144e-05 | deg |
| peri | 121.5992002754015 | 1.1794e-05 | deg |
| M | 130.1155691155811 | 5.2165e-06 | deg |
| tp | 2458727.825779650627
(2019-Sep-01.32577965) | 1.8597e-05 | TDB |
| period | 1307.781386058569
3.58 | 4.855e-06
1.329e-08 | d
yr |
| n | .2752753662330206 | 1.0219e-09 | deg/d |
| Q | 3.083724258949347 | 7.6319e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
13.9 |
|
n/a |
MPO435790 |
|
| rotation period |
rot_per |
3.035 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Warner, B.D. (2013). Minor Planet Bull. 40, 26-29.]
[Benishek, V. (2019) Minor Planet Bull. 46, 506-508.]
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.; Pravec, P.; Koehn, B.W. (2019). Minor Planet Bull. 46, 458-503.]
[Stephens, R.D.; Warner, B.D. (2019) Minor Planet Bull. 46, 449-456.] |
|
| 9564 Jeffwynn | Discovered 1987 Sept. 26 by C. S. Shoemaker and E. M. Shoemaker at Palomar. |
| Jeffrey C. Wynn, a humorous, curious, inventive, adventurous geophysicist with the U.S. Geological Survey has studied the Wabar Craters of Saudi Arabia with Gene Shoemaker, mapped the seafloor, analyzed mineral resources on land, studied aquifers and archaeological sites---and observed with the Shoemaker-Levy team. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 19991123/MPCPages.arc | Last Updated: 2010-06-11 |
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