(7154) Zhangmaolin Main-belt Asteroid
Discovered on 25 June 1979 by Helin, E. F., Bus, S. J. at Siding Spring.
Zhang Maolin (1991-2019) was a young Chinese astronomer. After completing an engineering degree at Tsinghua University, he entered the PhD program in astronomy at Leiden University. He studied radio galaxies with the LOFAR radio telescope, but died prematurely in a house fire before he could complete his degree.Naming citation (MPC batch dated 2019-05-18), IAU / Minor Planet Center, via NASA/JPL
Where Zhangmaolin is today
Seen from above the solar system on 2026-10-14: Zhangmaolin is 2.41 au from the Sun and 2.45 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 7154 |
| Provisional designation | 1979 MJ5 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.73 km (#15,792 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.412 |
| Absolute magnitude (H) | 14.75 |
| Orbital period | 3.37 years |
| Semi-major axis | 2.25 au |
| Perihelion – aphelion | 2.09 – 2.41 au |
| Eccentricity | 0.0697 |
| Inclination | 4.20° |
| Closest distance between its orbit and Earth's (MOID) | 1.11 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 25 June 1979
- (2343) Siding Spring
- (2392) Jonathan Murray
- (2441) Hibbs
- (2618) Coonabarabran
- (2619) Skalnate Pleso
- (2628) Kopal
- (2682) Soromundi
- (2704) Julian Loewe
- (3129) Bonestell
- (3205) Boksenberg
- (3756) Ruscannon
- (3817) Lencarter