(229425) Grosspointner Main-belt Asteroid
Discovered on 11 October 2005 by W. Ries at Altschwendt.
Peter Grosspointner (b. 1960) is a well-known Austrian amateur astronomer and treasurer of the Astronomischer Arbeitskreis Salzkammergut, one of Austria's largest astronomical societies. He also supports the society with his extensive amateur telescope making skills.Naming citation (MPC batch dated 2015-02-03), IAU / Minor Planet Center, via NASA/JPL
Where Grosspointner is today
Seen from above the solar system on 2026-10-14: Grosspointner is 2.62 au from the Sun and 1.72 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 229425 |
| Provisional designation | 2005 TW50 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 5.89 hours |
| Absolute magnitude (H) | 16.9 |
| Orbital period | 4.29 years |
| Semi-major axis | 2.64 au |
| Perihelion – aphelion | 2.23 – 3.05 au |
| Eccentricity | 0.156 |
| Inclination | 2.67° |
| Closest distance between its orbit and Earth's (MOID) | 1.24 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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