(225239) Ruthproell Main-belt Asteroid
Discovered on 19 August 2009 by R. Apitzsch at Wildberg.
Elsa Anna Ruth Proell (b. 1923) is the mother-in-law of the discoverer.Naming citation (MPC batch dated 2014-06-13), IAU / Minor Planet Center, via NASA/JPL
Where Ruthproell is today
Seen from above the solar system on 2026-10-14: Ruthproell is 2.88 au from the Sun and 3.71 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 225239 |
| Provisional designation | 2009 QG8 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.43 |
| Orbital period | 4.62 years |
| Semi-major axis | 2.77 au |
| Perihelion – aphelion | 2.66 – 2.89 au |
| Eccentricity | 0.0421 |
| Inclination | 5.98° |
| Closest distance between its orbit and Earth's (MOID) | 1.66 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Elsa
All asteroids named after someone called Elsa