(578168) Miaochangwen Main-belt Asteroid
Discovered on 1 December 2013 by PMO NEO Survey Program at XuYi.
Miao Changwen (b. 1957) is an expert in the field of building materials and an academician of the Chinese Academy of Engineering. His contributions to the theoretical and practical applications of civil engineering materials have been pivotal to the success of major infrastructural projects, including the Three Gorges Project.Naming citation (WGSBN Bull. 4, #10, 17), IAU / Minor Planet Center, via NASA/JPL
Where Miaochangwen is today
Seen from above the solar system on 2026-10-14: Miaochangwen is 2.28 au from the Sun and 1.86 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 578168 |
| Provisional designation | 2013 XS4 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.43 |
| Orbital period | 4.26 years |
| Semi-major axis | 2.63 au |
| Perihelion – aphelion | 2.24 – 3.01 au |
| Eccentricity | 0.146 |
| Inclination | 12.1° |
| Closest distance between its orbit and Earth's (MOID) | 1.25 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.