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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 23 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .07512467618484894 | 3.6212e-08 | |
| a | 2.876770003064793 | 1.5179e-08 | au |
| q | 2.660653588126264 | 1.0284e-07 | au |
| i | .7950671932803329 | 4.2099e-06 | deg |
| node | 294.4367271996547 | 0.00037253 | deg |
| peri | 145.8675766669667 | 0.00037438 | deg |
| M | 110.1193611885527 | 3.7802e-05 | deg |
| tp | 2458455.348361425963
(2018-Dec-02.84836143) | 0.0001857 | TDB |
| period | 1782.198768394733
4.88 | 1.4106e-05
3.862e-08 | d
yr |
| n | .201997670733585 | 1.5988e-09 | deg/d |
| Q | 3.092886418003323 | 1.632e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.7 |
|
n/a |
MPO337378 |
|
|
| 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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