(14163) Johnchapman Main-belt Asteroid
Discovered on 13 October 1998 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”.Naming citation (20030614/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Johnchapman is today
Seen from above the solar system on 2026-10-14: Johnchapman is 3.04 au from the Sun and 3.13 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 14163 |
| Provisional designation | 1998 TY20 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.85 |
| Orbital period | 4.89 years |
| Semi-major axis | 2.88 au |
| Perihelion – aphelion | 2.67 – 3.08 au |
| Eccentricity | 0.0711 |
| Inclination | 0.792° |
| Closest distance between its orbit and Earth's (MOID) | 1.69 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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