(9623) Karlsson Main-belt Asteroid
Discovered on 21 March 1993 by UESAC at La Silla.
Per Olow Karlsson (b. 1934) is a skillful technician who worked at the Uppsala and Kvistaberg Observatories for many years.Naming citation (20000320/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Karlsson is today
Seen from above the solar system on 2026-10-14: Karlsson is 2.81 au from the Sun and 3.11 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9623 |
| Provisional designation | 1993 FU28 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.47 |
| Orbital period | 3.84 years |
| Semi-major axis | 2.45 au |
| Perihelion – aphelion | 2.06 – 2.85 au |
| Eccentricity | 0.162 |
| Inclination | 3.42° |
| 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 Per
All asteroids named after someone called Per
Also discovered on 21 March 1993
- (5630) Billschaefer
- (6102) Visby
- (6528) Boden
- (6796) Sundsvall
- (6797) Ostersund
- (7595) Vaxjo
- (7831) Francois-Xavier
- (8535) Pellesvanslos
- (8536) Mans
- (8537) Billochbull
- (8538) Gammelmaja
- (8697) Olofsson