(25146) Xiada Main-belt Asteroid
Discovered on 24 September 1998 by Beijing Schmidt CCD Asteroid Program at Xinglong.
Established in 1921, Xiamendaxue (Xiamen University, XMU, known by the abbreviation Xiada) is one of the leading universities in China, and has been listed on China's “211 Project”, “985 Project”, and “Double First-class Initiative”, which have been launched by the Chinese government to support selected universities.Naming citation (WGSBN Bull. 1, #6, 4), IAU / Minor Planet Center, via NASA/JPL
Where Xiada is today
Seen from above the solar system on 2026-10-14: Xiada is 2.59 au from the Sun and 2.85 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 25146 |
| Provisional designation | 1998 SN43 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.83 km (#13,140 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.229 |
| Absolute magnitude (H) | 14.65 |
| Orbital period | 4.49 years |
| Semi-major axis | 2.72 au |
| Perihelion – aphelion | 2.49 – 2.96 au |
| Eccentricity | 0.0868 |
| Inclination | 5.15° |
| Closest distance between its orbit and Earth's (MOID) | 1.50 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.