(11471) Toshihirabayashi Main-belt Asteroid
Discovered on 6 March 1981 by S. J. Bus at Siding Spring.
Masatoshi Hirabayashi (b. 1983) is a postdoctoral researcher at Purdue University specializing in modeling structural stresses experienced by rotating asteroids and comet nuclei.Naming citation (MPC batch dated 2017-03-12), IAU / Minor Planet Center, via NASA/JPL
Where Toshihirabayashi is today
Seen from above the solar system on 2026-10-14: Toshihirabayashi is 2.54 au from the Sun and 3.53 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 11471 |
| Provisional designation | 1981 EH48 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.94 km (#15,365 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.324 |
| Absolute magnitude (H) | 14.71 |
| Orbital period | 4.13 years |
| Semi-major axis | 2.57 au |
| Perihelion – aphelion | 2.21 – 2.94 au |
| Eccentricity | 0.143 |
| Inclination | 6.28° |
| Closest distance between its orbit and Earth's (MOID) | 1.23 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Masatoshi
All asteroids named after someone called Masatoshi
Also discovered on 6 March 1981
- (3235) Melchior
- (3269) Vibert-Douglas
- (4564) Clayton
- (4965) Takeda
- (5223) McSween
- (5664) Eugster
- (8068) Vishnureddy
- (8455) Johnrayner
- (8794) Joepatterson
- (9282) Lucylim
- (9287) Klima
- (10699) Calabrese