(20052) Kellman Main-belt Asteroid
Discovered on 21 March 1993 by UESAC at La Silla.
Edith Kellman (1911–2007) was an American astronomer who worked at the Yerkes Observatory as a photographic assistant. She worked with William Morgan and Philip Keenan to develop the Yerkes (MKK) system of stellar classification. After leaving the observatory, Edith taught mathematics at Williams Bay High School until her retirement in the 1970s.Naming citation (WGSBN Bull. 4, #11, 17), IAU / Minor Planet Center, via NASA/JPL
Where Kellman is today
Seen from above the solar system on 2026-10-14: Kellman is 2.56 au from the Sun and 2.07 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20052 |
| Provisional designation | 1993 FS27 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.65 km (#11,334 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.270 |
| Rotation period | 6.48 hours |
| Absolute magnitude (H) | 14.0 |
| Orbital period | 4.53 years |
| Semi-major axis | 2.74 au |
| Perihelion – aphelion | 2.52 – 2.95 au |
| Eccentricity | 0.0782 |
| Inclination | 6.04° |
| Closest distance between its orbit and Earth's (MOID) | 1.52 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Edith
All asteroids named after someone called Edith
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