(10080) Macevans Main-belt Asteroid
Discovered on 18 July 1990 by E. F. Helin at Palomar.
William MacDonald “Mac” Evans (b. 1942) was born in Sarnia, Canada. He completed his undergraduate studies at Queen’s University and earned a MSc in Electrical Engineering from the University of Birmingham. He was President of the Canadian Space Agency (1994–2001), won the NASA Distinguished Public Service Medal and is a Member of the Order of Canada.Naming citation (WGSBN Bull. 1, #13, 6), IAU / Minor Planet Center, via NASA/JPL
Where Macevans is today
Seen from above the solar system on 2026-10-14: Macevans is 3.65 au from the Sun and 4.29 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 10080 |
| Provisional designation | 1990 OF1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 16.7 km (#2,745 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0630 |
| Absolute magnitude (H) | 12.92 |
| Orbital period | 5.53 years |
| Semi-major axis | 3.13 au |
| Perihelion – aphelion | 2.55 – 3.71 au |
| Eccentricity | 0.185 |
| Inclination | 14.4° |
| Closest distance between its orbit and Earth's (MOID) | 1.55 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called William
- (1853) McElroy
- (2220) Hicks
- (3445) Pinson
- (3894) Williamcooke
- (4137) Crabtree
- (4423) Golden
- (4838) Billmclaughlin
- (5345) Boynton
- (5763) Williamtobin
- (6012) Williammurdoch
- (6613) Williamcarl
- (6756) Williamfeldman
All asteroids named after someone called William