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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 24 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .07510536528643305 | 3.6215e-08 | |
| a | 2.876498248937244 | 1.5001e-08 | au |
| q | 2.660457797205027 | 1.0282e-07 | au |
| i | .7950611966721282 | 4.2006e-06 | deg |
| node | 294.4346871201541 | 0.00036918 | deg |
| peri | 145.7572012912783 | 0.00037101 | deg |
| M | 150.6477262794782 | 3.7417e-05 | deg |
| tp | 2458454.816251140293
(2018-Dec-02.31625114) | 0.00018328 | TDB |
| period | 1781.946241203
4.88 | 1.394e-05
3.817e-08 | d
yr |
| n | .2020262966838788 | 1.5804e-09 | deg/d |
| Q | 3.092538700669461 | 1.6128e-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 |
14.69 |
|
n/a |
E2021B10 |
|
|
| 14163 Johnchapman | Discovered 1998 Oct. 13 by Spacewatch at Kitt Peak. |
| John Herbert Chapman (1921-1979) began his career researching radio propagation and the ionosphere. He worked on the Alouette, ISIS and Hermes satellite projects and was known as the "Father of the Canadian Space Program". |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 20030614/MPCPages.arc | Last Updated: 2005-04-26 |
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