(31399) Susorney Main-belt Asteroid
Discovered on 24 December 1998 by LONEOS at Anderson Mesa.
Hannah Susorney (b. 1991) is a former postdoctoral researcher at the University of British Columbia and a Marie Sklodowska-Curie Fellow at the University of Bristol. She studies topography of asteroids and the role of impact cratering on the surface evolution of planetary bodies.Naming citation (WGSBN Bull. 1, #2, 15), IAU / Minor Planet Center, via NASA/JPL
Where Susorney is today
Seen from above the solar system on 2026-10-14: Susorney is 2.86 au from the Sun and 2.00 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 31399 |
| Provisional designation | 1998 YF30 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.18 km (#7,435 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.177 |
| Rotation period | 359 hours |
| Absolute magnitude (H) | 13.3 |
| Orbital period | 4.17 years |
| Semi-major axis | 2.59 au |
| Perihelion – aphelion | 2.33 – 2.86 au |
| Eccentricity | 0.103 |
| Inclination | 14.7° |
| Closest distance between its orbit and Earth's (MOID) | 1.35 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Hannah
- (12885) Hannahguan
- (13246) Hannahshu
- (16117) Herbst
- (20069) Monyer
- (21695) Hannahwolf
- (26736) Rojeski
- (27520) Rounds
- (28571) Hannahlarson
- (28742) Hannahsteele
- (29979) Wastyk
- (31641) Cevasco
- (33834) Hannahkaplan
All asteroids named after someone called Hannah