(90919) Luoliaofu Main-belt Asteroid
Discovered on 11 August 1997 by Beijing Schmidt CCD Asteroid Program at Xinglong.
Luo Liaofu (b. 1935) is an emeritus professor of physics at Inner Mongolia University. He won the 1978 National Science Congress Award of China for his research on particle physics and high-energy astrophysics. In the 1980s, he turned to theoretical biology and is one of the pioneers of theoretical biophysics in China.Naming citation (WGSBN Bull. 4, #1, 8), IAU / Minor Planet Center, via NASA/JPL
Where Luoliaofu is today
Seen from above the solar system on 2026-10-14: Luoliaofu is 2.59 au from the Sun and 3.58 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 90919 |
| Provisional designation | 1997 PA5 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.75 |
| Orbital period | 3.43 years |
| Semi-major axis | 2.27 au |
| Perihelion – aphelion | 1.84 – 2.71 au |
| Eccentricity | 0.192 |
| Inclination | 3.94° |
| Closest distance between its orbit and Earth's (MOID) | 0.851 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.