(9305) Hazard Main-belt Asteroid
Discovered on 7 October 1986 by E. Bowell at Anderson Mesa.
British radio astronomer Cyril Hazard (b. 1928) held positions in the U.K., U.S. and Australia. His work includes the first detection of radio waves from an extragalactic source, the use of lunar occultations for source position determination and the first detection of quasars having z > 3.Naming citation (20001111/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Hazard is today
Seen from above the solar system on 2026-10-14: Hazard is 2.40 au from the Sun and 3.37 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9305 |
| Provisional designation | 1986 TR1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.90 km (#15,456 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.305 |
| Rotation period | 24.7 hours |
| Absolute magnitude (H) | 14.98 |
| Orbital period | 3.18 years |
| Semi-major axis | 2.16 au |
| Perihelion – aphelion | 1.79 – 2.54 au |
| Eccentricity | 0.175 |
| Inclination | 3.70° |
| Closest distance between its orbit and Earth's (MOID) | 0.773 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Cyril
All asteroids named after someone called Cyril
Also discovered on 7 October 1986
- (3783) Morris
- (3831) Pettengill
- (3850) Peltier
- (4091) Lowe
- (4629) Walford
- (4859) Fraknoi
- (5951) Alicemonet
- (7561) Patrickmichel
- (19123) Stephenlevine