(31091) Bettiventicinque Inner Main-belt Asteroid
Discovered on 30 January 1997 by Munari, U., Tombelli, M. at Cima Ekar.
Elisabetta Venticinque (b. 1973) has been an amateur astronomer at the Gruppo Astrofili Montelupo since 2020. She observes minor planets, especially NEOs.Naming citation (WGSBN Bull. 2, #7, 8), IAU / Minor Planet Center, via NASA/JPL
Where Bettiventicinque is today
Seen from above the solar system on 2026-10-14: Bettiventicinque is 1.78 au from the Sun and 1.29 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 31091 |
| Provisional designation | 1997 BE9 |
| Orbit class | Inner Main-belt Asteroid |
| Rotation period | 128 hours |
| Absolute magnitude (H) | 15.95 |
| Orbital period | 2.74 years |
| Semi-major axis | 1.96 au |
| Perihelion – aphelion | 1.77 – 2.15 au |
| Eccentricity | 0.0950 |
| Inclination | 17.8° |
| Closest distance between its orbit and Earth's (MOID) | 0.843 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Elisabetta
All asteroids named after someone called Elisabetta
Also discovered on 30 January 1997
- (8739) Morihisa
- (8941) Junsaito
- (8942) Takagi
- (8943) Stefanozavka
- (8944) Ortigara
- (11348) Allegra
- (12031) Kobaton
- (15375) Laetitiafoglia
- (20194) Ilarialocantore
- (20195) Mariovinci
- (22467) Koharumi
- (46691) Ghezzi