(22581) Rosahemphill Main-belt Asteroid
Discovered on 21 April 1998 by LINEAR at Socorro.
Rosa Hemphill mentored a finalist in the 2006 Intel Science Talent Search (STS), a science competition for high school seniors. She teaches at the Oregon Episcopal School, Portland, Oregon.Naming citation (20060314/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Rosahemphill is today
Seen from above the solar system on 2026-10-14: Rosahemphill is 2.40 au from the Sun and 1.45 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 22581 |
| Provisional designation | 1998 HH77 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.13 |
| Orbital period | 3.76 years |
| Semi-major axis | 2.42 au |
| Perihelion – aphelion | 2.12 – 2.72 au |
| Eccentricity | 0.124 |
| Inclination | 1.19° |
| Closest distance between its orbit and Earth's (MOID) | 1.13 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Rosa
All asteroids named after someone called Rosa
Also discovered on 21 April 1998
- (9244) Visnjan
- (11715) Harperclark
- (11716) Amahartman
- (11718) Hayward
- (11719) Hicklen
- (11720) Horodyskyj
- (11721) Shawnlowe
- (11724) Ronaldhsu
- (11725) Victoriahsu
- (12091) Jesmalmquist
- (12092) Erinorourke
- (12093) Chrimatthews