(32186) McMullan Main-belt Asteroid
Discovered on 5 July 2000 by LONEOS at Anderson Mesa.
Sarah McMullan (b. 1992) is a British planetary scientist. She graduated from Imperial College London, working on airburst models from asteroid impacts. She is a leader of the UK Fireball Alliance, a collaboration to help the UK's various meteor groups work together, leading to the recovery of the Winchcombe meteorite in 2021.Naming citation (WGSBN Bull. 3, #9, 23), IAU / Minor Planet Center, via NASA/JPL
Where McMullan is today
Seen from above the solar system on 2026-10-14: McMullan is 2.65 au from the Sun and 2.02 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 32186 |
| Provisional designation | 2000 NM23 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.18 km (#12,314 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.335 |
| Absolute magnitude (H) | 14.0 |
| Orbital period | 4.15 years |
| Semi-major axis | 2.58 au |
| Perihelion – aphelion | 2.45 – 2.72 au |
| Eccentricity | 0.0526 |
| Inclination | 14.2° |
| Closest distance between its orbit and Earth's (MOID) | 1.47 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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