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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .07490387937830258 | 3.6247e-08 | |
| a | 2.876978445603173 | 1.4877e-08 | au |
| q | 2.661481599139737 | 1.03e-07 | au |
| i | .7949755855131311 | 4.2006e-06 | deg |
| node | 294.4386932643699 | 0.00036919 | deg |
| peri | 145.6524430850331 | 0.00037103 | deg |
| M | 190.3599121228763 | 3.7623e-05 | deg |
| tp | 2460236.403376357632
(2023-Oct-18.90337636) | 0.00018875 | TDB |
| period | 1782.392471452629
4.88 | 1.3825e-05
3.785e-08 | d
yr |
| n | .2019757184603704 | 1.5666e-09 | deg/d |
| Q | 3.09247529206661 | 1.5991e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
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Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.69 |
|
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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