(32185) Noonan Outer Main-belt Asteroid
Discovered on 5 July 2000 by LONEOS at Anderson Mesa.
John William Noonan (b. 1994) is an American planetary scientist with expertise in ultraviolet observations and chemical modeling of comets who received his doctorate from the Lunar and Planetary Laboratory at the University of Arizona.Naming citation (WGSBN Bull. 3, #9, 23), IAU / Minor Planet Center, via NASA/JPL
Where Noonan is today
Seen from above the solar system on 2026-10-14: Noonan is 3.27 au from the Sun and 2.40 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 32185 |
| Provisional designation | 2000 ND23 |
| Orbit class | Outer Main-belt Asteroid |
| Diameter | 9.58 km (#5,365 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0840 |
| Absolute magnitude (H) | 13.45 |
| Orbital period | 6.20 years |
| Semi-major axis | 3.38 au |
| Perihelion – aphelion | 3.20 – 3.55 au |
| Eccentricity | 0.0519 |
| Inclination | 11.6° |
| Closest distance between its orbit and Earth's (MOID) | 2.23 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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