(31240) Katrianne Main-belt Asteroid
Discovered on 20 February 1998 by G. Lehmann at Drebach.
Katrin Susanne Lehmann, wife of the discoverer, is a committed teacher of physics and astronomy, as well as the caring mother of two sons. Her love and support made possible the discovery of many minor planets at the Drebach Observatory.Naming citation (20020921/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Katrianne is today
Seen from above the solar system on 2026-10-14: Katrianne is 2.87 au from the Sun and 3.84 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 31240 |
| Provisional designation | 1998 DB2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.57 km (#6,099 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0550 |
| Absolute magnitude (H) | 14.52 |
| Orbital period | 4.66 years |
| Semi-major axis | 2.79 au |
| Perihelion – aphelion | 2.28 – 3.30 au |
| Eccentricity | 0.184 |
| Inclination | 7.33° |
| Closest distance between its orbit and Earth's (MOID) | 1.31 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Katrin
All asteroids named after someone called Katrin