(2539) Ningxia Main-belt Asteroid
Discovered on 8 October 1964 by Purple Mountain Observatory at Nanking.
Where Ningxia is today
Seen from above the solar system on 2026-10-14: Ningxia is 2.11 au from the Sun and 2.55 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2539 |
| Provisional designation | 1964 TS2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.63 km (#13,622 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.279 |
| Absolute magnitude (H) | 14.53 |
| Orbital period | 3.40 years |
| Semi-major axis | 2.26 au |
| Perihelion – aphelion | 1.88 – 2.64 au |
| Eccentricity | 0.169 |
| Inclination | 3.98° |
| Closest distance between its orbit and Earth's (MOID) | 0.891 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.