(55212) Yukitoayatsuji Main-belt Asteroid
Discovered on 12 September 2001 by R. A. Tucker at Goodricke-Pigott.
Yukito Ayatsuji is the pen name of Naoyuki Uchida (b. 1960), a Japanese writer of horror and mystery. He is one of the founders of the Honkaku Mystery Writers Club of Japan. He was one of the two winners of the 1992 Mystery Writers of Japan Award. His best-known works are The Decagon House Murders and Another.Naming citation (MPC batch dated 2018-03-31), IAU / Minor Planet Center, via NASA/JPL
Where Yukitoayatsuji is today
Seen from above the solar system on 2026-10-14: Yukitoayatsuji is 2.92 au from the Sun and 2.01 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 55212 |
| Provisional designation | 2001 RG46 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.83 km (#10,955 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.132 |
| Absolute magnitude (H) | 14.37 |
| Orbital period | 5.03 years |
| Semi-major axis | 2.94 au |
| Perihelion – aphelion | 2.69 – 3.18 au |
| Eccentricity | 0.0830 |
| Inclination | 3.01° |
| Closest distance between its orbit and Earth's (MOID) | 1.68 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 12 September 2001
- (32634) Sonjamichaluk
- (34780) Nikhillohe
- (34788) Samuellossef
- (55222) Makotoshinkai
- (55223) Akiraifukube
- (63862) Amyledbetter
- (109712) Giger
- (155997) Robertaciani
- (210874) Perijohnson