(9543) Nitra Main-belt Asteroid
Discovered on 4 December 1983 by M. Antal at Piszkesteto.
Nitra, a historical town in western Slovakia, was a the seat of prince Pribina and center of the Nitra principality early in the ninth century. Its history is connected with the first Christian church on the territory of Slovakia, as well as with the introduction of the old Slavonic alphabet “hlaholika”.Naming citation (20010804/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Nitra is today
Seen from above the solar system on 2026-10-14: Nitra is 3.08 au from the Sun and 4.04 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9543 |
| Provisional designation | 1983 XN1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 9.92 km (#5,148 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0860 |
| Absolute magnitude (H) | 12.77 |
| Orbital period | 5.19 years |
| Semi-major axis | 3.00 au |
| Perihelion – aphelion | 2.77 – 3.23 au |
| Eccentricity | 0.0768 |
| Inclination | 8.55° |
| Closest distance between its orbit and Earth's (MOID) | 1.80 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.