(550083) Szecsenyi-Nagy Main-belt Asteroid
Discovered on 31 December 2011 by A. Szing K. Sárneczky at Piszkesteto.
Gábor Szécsényi-Nagy (1948–2012) was a Hungarian astronomer, professor at Eötvös Loránd University, and author of numerous popular science books. His main fields of research were the study of the physical and chemical composition of comets and the flare activity and galactic distribution of red dwarf stars.Naming citation (WGSBN Bull. 3, #3, 16), IAU / Minor Planet Center, via NASA/JPL
Where Szecsenyi-Nagy is today
Seen from above the solar system on 2026-10-14: Szecsenyi-Nagy is 2.88 au from the Sun and 3.02 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 550083 |
| Provisional designation | 2011 YL85 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.19 |
| Orbital period | 4.14 years |
| Semi-major axis | 2.58 au |
| Perihelion – aphelion | 2.18 – 2.97 au |
| Eccentricity | 0.153 |
| Inclination | 14.3° |
| Closest distance between its orbit and Earth's (MOID) | 1.22 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.