(39184) Willgrundy Main-belt Asteroid
Discovered on 24 November 2000 by LONEOS at Anderson Mesa.
William (“Will”) M. Grundy (b. 1965), an astronomer at Lowell Observatory, studies icy outer solar system objects. He is involved in the New Horizons mission to Pluto and the Kuiper belt.Naming citation (20110615/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Willgrundy is today
Seen from above the solar system on 2026-10-14: Willgrundy is 2.90 au from the Sun and 3.26 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 39184 |
| Provisional designation | 2000 WG166 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.49 km (#9,719 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0490 |
| Absolute magnitude (H) | 15.42 |
| Orbital period | 4.61 years |
| Semi-major axis | 2.77 au |
| Perihelion – aphelion | 2.60 – 2.94 au |
| Eccentricity | 0.0615 |
| Inclination | 4.30° |
| Closest distance between its orbit and Earth's (MOID) | 1.61 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 24 November 2000
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