(16238) Chappe Main-belt Asteroid
Discovered on 7 April 2000 by LINEAR at Socorro.
Named in honor of Sean Chappe for mentoring a finalist in the 2002 Intel Science Talent Search, a science competition for high school seniors. Chappe is a teacher at the Hunterdon Central Regional High School, Flemington, New Jersey.Naming citation (20020227/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Chappe is today
Seen from above the solar system on 2026-10-14: Chappe is 2.39 au from the Sun and 1.58 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 16238 |
| Provisional designation | 2000 GY104 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 3.72 hours |
| Absolute magnitude (H) | 14.95 |
| Orbital period | 3.62 years |
| Semi-major axis | 2.36 au |
| Perihelion – aphelion | 1.90 – 2.82 au |
| Eccentricity | 0.195 |
| Inclination | 2.94° |
| Closest distance between its orbit and Earth's (MOID) | 0.888 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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