(8117) Yuanlongping Main-belt Asteroid

Discovered on 18 September 1996 by Beijing Schmidt CCD Asteroid Program at Xinglong.

Named in honor of Longping Yuan (b. 1930), member of the Chinese Academy of Engineering, head of the National Hybrid Rice Engineering and Technical Research Center of China. As the founder of the Chinese hybrid rice research effort, he contributes greatly to great production in China and worldwide. He has won many international prizes and is honored as the “Father of Hybrid Rice” by foreign colleagues.Naming citation (19990728/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Yuanlongping is today

Seen from above the solar system on 2026-10-14: Yuanlongping is 2.86 au from the Sun and 3.63 au from Earth. Computed from JPL's orbital elements.

Facts

Number	8117
Provisional designation	1996 SD1
Orbit class	Main-belt Asteroid
Diameter	10.2 km (#4,993 largest of 17,440 named asteroids with a measured size)
Albedo	0.141
Rotation period	5.40 hours
Absolute magnitude (H)	13.21
Orbital period	5.27 years
Semi-major axis	3.03 au
Perihelion – aphelion	2.67 – 3.39 au
Eccentricity	0.119
Inclination	10.5°
Closest distance between its orbit and Earth's (MOID)	1.67 au

Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.

Also discovered on 18 September 1996

More named asteroids discovered by Beijing Schmidt CCD Asteroid Program

All 157

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