(10040) Ghillar Main-belt Asteroid
Discovered on 24 August 1984 by Z. Vavrova at Klet.
Ghillar Michael Anderson (b. 1951), of Goodooga, NSW (Australia), is an Aboriginal elder, Senior Law Man, and leader of the Euahlayi people bordering northern New South Wales and southern Queensland. He has shared in-depth knowledge about Kamilaroi and Euahlayi astronomical knowledge and has published several academic papers on the topic.Naming citation (WGSBN Bull. 1, #3, 8), IAU / Minor Planet Center, via NASA/JPL
Where Ghillar is today
Seen from above the solar system on 2026-10-14: Ghillar is 1.87 au from the Sun and 2.43 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 10040 |
| Provisional designation | 1984 QM |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.69 km (#15,888 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.467 |
| Absolute magnitude (H) | 14.58 |
| Orbital period | 3.27 years |
| Semi-major axis | 2.21 au |
| Perihelion – aphelion | 1.81 – 2.60 au |
| Eccentricity | 0.179 |
| Inclination | 3.27° |
| Closest distance between its orbit and Earth's (MOID) | 0.794 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.