(28396) Eymann Main-belt Asteroid
Discovered on 13 September 1999 by A. Klotz at Guitalens.
Raymond Eymann is a French amateur astronomer who built an astronomical observatory at Taissy. The discoverer, like many other people, learned experimental astronomy in his observatory.Naming citation (20020328/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Eymann is today
Seen from above the solar system on 2026-10-14: Eymann is 2.49 au from the Sun and 3.41 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 28396 |
| Provisional designation | 1999 RY44 |
| Orbit class | Main-belt Asteroid |
| Diameter | 1.90 km (#17,145 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.370 |
| Rotation period | 12.5 hours |
| Absolute magnitude (H) | 15.54 |
| Orbital period | 3.59 years |
| Semi-major axis | 2.34 au |
| Perihelion – aphelion | 2.05 – 2.64 au |
| Eccentricity | 0.125 |
| Inclination | 6.37° |
| Closest distance between its orbit and Earth's (MOID) | 1.04 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Raymond
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All asteroids named after someone called Raymond
Also discovered on 13 September 1999
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- (28394) Mittag-Leffler
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