(331105) Giselher Main-belt Asteroid
Discovered on 13 December 2009 by R. Kracht at Sonoita (IRO).
Dietrich Giselher Kracht (b. 1944) is the elder brother of the discoverer, who introduced him to astronomy at the observatory of the Olbers-Gesellschaft in Bremen.Naming citation (MPC batch dated 2017-03-12), IAU / Minor Planet Center, via NASA/JPL
Where Giselher is today
Seen from above the solar system on 2026-10-14: Giselher is 2.31 au from the Sun and 2.30 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 331105 |
| Provisional designation | 2009 XG9 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.57 |
| Orbital period | 3.59 years |
| Semi-major axis | 2.34 au |
| Perihelion – aphelion | 2.04 – 2.65 au |
| Eccentricity | 0.129 |
| Inclination | 2.87° |
| Closest distance between its orbit and Earth's (MOID) | 1.05 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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