(20228) Jeanmarcmari Main-belt Asteroid
Discovered on 3 December 1997 by ODAS at Caussols.
Jean Marc Mari (b. 1957) is an electronics engineer whose help and skill have been very valuable in constructing the first CCD camera for the OCA Schmidt Telescope. An amateur astronomer, he has traveled to see several total eclipses of the sun.Naming citation (20030806/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Jeanmarcmari is today
Seen from above the solar system on 2026-10-14: Jeanmarcmari is 2.03 au from the Sun and 1.03 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20228 |
| Provisional designation | 1997 XG |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.88 |
| Orbital period | 3.29 years |
| Semi-major axis | 2.21 au |
| Perihelion – aphelion | 1.97 – 2.45 au |
| Eccentricity | 0.109 |
| Inclination | 0.703° |
| Closest distance between its orbit and Earth's (MOID) | 0.982 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Jean
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- (2267) Agassiz
- (3821) Sonet
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- (10215) Lavilledemirmont
- (10440) van Swinden
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All asteroids named after someone called Jean