(18368) Flandrau Inner Main-belt Asteroid
Discovered on 15 April 1991 by Shoemaker, C. S., Levy, D. H. at Palomar.
The Flandrau Science Center, opened in Nov. 1975, is surrounded by the huge astronomical infrastructure of the University of Arizona and plays a key role in the University's public education effort. It has launched the careers of many astronomers.Naming citation (20030501/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Flandrau is today
Seen from above the solar system on 2026-10-14: Flandrau is 2.00 au from the Sun and 2.23 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 18368 |
| Provisional designation | 1991 GZ1 |
| Orbit class | Inner Main-belt Asteroid |
| Diameter | 1.92 km (#17,117 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.757 |
| Rotation period | 5.78 hours |
| Absolute magnitude (H) | 14.78 |
| Orbital period | 2.68 years |
| Semi-major axis | 1.93 au |
| Perihelion – aphelion | 1.82 – 2.03 au |
| Eccentricity | 0.0543 |
| Inclination | 23.8° |
| Closest distance between its orbit and Earth's (MOID) | 0.875 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.