(85190) Birgitroth Main-belt Asteroid
Discovered on 12 September 1991 by Borngen, F., Schmadel, L. D. at Tautenburg.
Birgit Roth (b. 1974) is a German physician and well-known expert on hematology and oncology.Naming citation (MPC batch dated 2017-03-12), IAU / Minor Planet Center, via NASA/JPL
Where Birgitroth is today
Seen from above the solar system on 2026-10-14: Birgitroth is 2.22 au from the Sun and 2.01 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 85190 |
| Provisional designation | 1991 RR3 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.65 km (#13,586 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.175 |
| Rotation period | 20.9 hours |
| Absolute magnitude (H) | 14.92 |
| Orbital period | 4.29 years |
| Semi-major axis | 2.64 au |
| Perihelion – aphelion | 2.22 – 3.06 au |
| Eccentricity | 0.158 |
| Inclination | 12.0° |
| Closest distance between its orbit and Earth's (MOID) | 1.28 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Birgit
All asteroids named after someone called Birgit
Also discovered on 12 September 1991
- (6864) Starkenburg
- (9187) Walterkroll
- (9344) Klopstock
- (10782) Hittmair
- (21074) Rugen
- (21075) Heussinger
- (21076) Kokoschka
- (23490) Monikohl
- (24712) Boltzmann
- (24713) Ekrutt
- (27758) Michelson
- (46563) Oken