(33747) Clingan Main-belt Asteroid
Discovered on 14 August 1999 by G. Hug at Eskridge.
Roy Clingan (b. 1950) has been a driving force for amateur astronomy in the Arkansas region for many years. He has discovered many minor planets, has spearheaded the effort to build the Red River Astronomy Club's Observatory and has been a mentor for other amateur astronomers along the way.Naming citation (20051215/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Clingan is today
Seen from above the solar system on 2026-10-14: Clingan is 2.65 au from the Sun and 1.85 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 33747 |
| Provisional designation | 1999 PK4 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.83 km (#9,189 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.109 |
| Absolute magnitude (H) | 14.66 |
| Orbital period | 5.39 years |
| Semi-major axis | 3.07 au |
| Perihelion – aphelion | 2.56 – 3.59 au |
| Eccentricity | 0.167 |
| Inclination | 11.0° |
| Closest distance between its orbit and Earth's (MOID) | 1.55 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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