(1538) Detre Main-belt Asteroid
Discovered on 8 September 1940 by G. Kulin at Konkoly.
Named in memory of Laszlo Detre (1906-1974), Hungarian astronomer well known for his work on variable stars, Director of the Konkoly Observatory for many years.Naming citation (MPC 5182), IAU / Minor Planet Center, via NASA/JPL
Where Detre is today
Seen from above the solar system on 2026-10-14: Detre is 2.63 au from the Sun and 3.56 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1538 |
| Provisional designation | 1940 RF |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.14 km (#8,728 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0640 |
| Rotation period | 99.2 hours |
| Absolute magnitude (H) | 14.37 |
| Orbital period | 3.63 years |
| Semi-major axis | 2.36 au |
| Perihelion – aphelion | 1.84 – 2.88 au |
| Eccentricity | 0.219 |
| Inclination | 9.45° |
| Closest distance between its orbit and Earth's (MOID) | 0.839 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.