(523954) Guman Main-belt Asteroid
Discovered on 22 October 1998 by Sarneczky, K., Szabo, G. at Piszkesteto.
István Guman (b. 1919) is a Hungarian astronomer who studied variable stars using photographic measurements at the Konkoly Observatory and solar astronomy in the Debrecen Heliophysical Observatory. He was an active science communicator and contributor to the Hungarian Astronomical Almanac for many decades.Naming citation (MPC batch dated 2019-12-12), IAU / Minor Planet Center, via NASA/JPL
Where Guman is today
Seen from above the solar system on 2026-10-14: Guman is 2.77 au from the Sun and 3.71 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 523954 |
| Provisional designation | 1998 UF23 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 18.85 |
| Orbital period | 3.32 years |
| Semi-major axis | 2.22 au |
| Perihelion – aphelion | 1.67 – 2.78 au |
| Eccentricity | 0.249 |
| Inclination | 5.77° |
| Closest distance between its orbit and Earth's (MOID) | 0.668 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Istvan
All asteroids named after someone called Istvan