(9524) O'Rourke Main-belt Asteroid
Discovered on 2 March 1981 by S. J. Bus at Siding Spring.
Laurence O'Rourke (b. 1970) is a research scientist at the European Space Astronomy Centre in Madrid. He leads a program to use the Herschel Space Observatory to provide supporting physical observations for spacecraft missions to asteroids and comets.Naming citation (MPC batch dated 2014-07-12), IAU / Minor Planet Center, via NASA/JPL
Where O'Rourke is today
Seen from above the solar system on 2026-10-14: O'Rourke is 2.37 au from the Sun and 3.30 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9524 |
| Provisional designation | 1981 EJ5 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.92 km (#15,405 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.273 |
| Absolute magnitude (H) | 14.82 |
| Orbital period | 3.26 years |
| Semi-major axis | 2.20 au |
| Perihelion – aphelion | 1.70 – 2.69 au |
| Eccentricity | 0.225 |
| Inclination | 4.94° |
| Closest distance between its orbit and Earth's (MOID) | 0.687 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Laurence
All asteroids named after someone called Laurence
Also discovered on 2 March 1981
- (2884) Reddish
- (2919) Dali
- (2980) Cameron
- (2981) Chagall
- (2990) Trimberger
- (3000) Leonardo
- (3121) Tamines
- (3122) Florence
- (3207) Spinrad
- (3252) Johnny
- (3304) Pearce
- (3524) Schulz