(558398) Nagysandor Main-belt Asteroid
Discovered on 31 August 2013 by K. Sárneczky T. Csörgei at Piszkesteto.
Sándor Nagy (b. 1970) is a Slovak amateur astronomer and science promoter. As the head of the Corvus astronomy club in Gabčíkovo, he has significantly contributed to the interest of young people in science and astronomy.Naming citation (WGSBN Bull. 2, #16, 7), IAU / Minor Planet Center, via NASA/JPL
Where Nagysandor is today
Seen from above the solar system on 2026-10-14: Nagysandor is 2.99 au from the Sun and 3.56 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 558398 |
| Provisional designation | 2015 AT140 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.06 |
| Orbital period | 4.78 years |
| Semi-major axis | 2.84 au |
| Perihelion – aphelion | 2.57 – 3.10 au |
| Eccentricity | 0.0929 |
| Inclination | 3.21° |
| Closest distance between its orbit and Earth's (MOID) | 1.58 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Sandor
All asteroids named after someone called Sandor