(21041) Wangjinsong Main-belt Asteroid

Discovered on 22 August 1990 by H. E. Holt at Palomar.

Wang Jinsong (b. 1970) is a Chinese space physicist and meteorologist, and an advocate for translating space science into practical global applications. He is the visionary behind China’s space-weather system, laying the foundation for its global recognition and solidifying China’s key role in international space-weather cooperation.Naming citation (WGSBN Bull. 6, #13, 4), IAU / Minor Planet Center, via NASA/JPL

Where Wangjinsong is today

MercuryVenusEarthEarthMarsMarsWangjinsongWangjinsong

Seen from above the solar system on 2026-10-14: Wangjinsong is 2.99 au from the Sun and 2.53 au from Earth. Computed from JPL's orbital elements.

Facts

Number21041
Provisional designation1990 QO1
Orbit classMain-belt Asteroid
Diameter9.11 km (#5,676 largest of 17,440 named asteroids with a measured size)
Albedo0.177
Rotation period5.08 hours
Absolute magnitude (H)13.11
Orbital period5.20 years
Semi-major axis3.00 au
Perihelion – aphelion2.84 – 3.16 au
Eccentricity0.0521
Inclination10.1°
Closest distance between its orbit and Earth's (MOID)1.86 au

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

Also named after someone called Wang

Also discovered on 22 August 1990

More named asteroids discovered by H. E. Holt