(38269) Gueymard Main-belt Asteroid
Discovered on 10 September 1999 by Dillon, W. G., Rivich, K. at Needville.
Adolphe G. Gueymard (b. 1913), distinguished Louisiana State University alumnus, is a successful businessman, generous benefactor of the George Observatory, and an admirable representative of the “Greatest Generation”.Naming citation (20020921/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Gueymard is today
Seen from above the solar system on 2026-10-14: Gueymard is 2.93 au from the Sun and 2.57 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 38269 |
| Provisional designation | 1999 RN33 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.07 |
| Orbital period | 5.16 years |
| Semi-major axis | 2.99 au |
| Perihelion – aphelion | 2.91 – 3.06 au |
| Eccentricity | 0.0260 |
| Inclination | 10.4° |
| Closest distance between its orbit and Earth's (MOID) | 1.92 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.