(10473) Thirouin Main-belt Asteroid
Discovered on 2 March 1981 by S. J. Bus at Siding Spring.
Audrey Thirouin (b. 1984) is a researcher at the Lowell Observatory who performs photometric measurements of trans-Neptunian objects investigating differences in binary and non-binary populations.Naming citation (MPC batch dated 2017-03-12), IAU / Minor Planet Center, via NASA/JPL
Where Thirouin is today
Seen from above the solar system on 2026-10-14: Thirouin is 2.78 au from the Sun and 3.66 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 10473 |
| Provisional designation | 1981 EL21 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.98 km (#6,595 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.114 |
| Rotation period | 3.75 hours |
| Spectral type | K |
| Absolute magnitude (H) | 13.8 |
| Orbital period | 4.47 years |
| Semi-major axis | 2.72 au |
| Perihelion – aphelion | 2.45 – 2.98 au |
| Eccentricity | 0.0964 |
| Inclination | 2.12° |
| Closest distance between its orbit and Earth's (MOID) | 1.45 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Audrey
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- (31677) Audreyglende
- (33406) Saltzman
- (87142) Delsanti
- (133007) Audreysimmons
All asteroids named after someone called Audrey
Also discovered on 2 March 1981
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- (2980) Cameron
- (2981) Chagall
- (2990) Trimberger
- (3000) Leonardo
- (3121) Tamines
- (3122) Florence
- (3207) Spinrad
- (3252) Johnny
- (3304) Pearce
- (3524) Schulz