(4566) Chaokuangpiu Main-belt Asteroid

Discovered on 27 November 1981 by Purple Mountain Observatory at Nanking.

Named in honor of Kuang-Piu Chao, consulting professor at Tsinghua University and Zhejiang University. For many years, he made remarkable contributions to the development of Chinese educational and cultural programs.Naming citation (19981005/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Chaokuangpiu is today

MercuryVenusEarthEarthMarsMarsChaokuangpiuChaokuangpiu

Seen from above the solar system on 2026-10-14: Chaokuangpiu is 3.43 au from the Sun and 4.39 au from Earth. Computed from JPL's orbital elements.

Facts

Number4566
Provisional designation1981 WM4
Orbit classMain-belt Asteroid
Diameter10.5 km (#4,817 largest of 17,440 named asteroids with a measured size)
Albedo0.262
Rotation period16.4 hours
Absolute magnitude (H)12.45
Orbital period4.77 years
Semi-major axis2.83 au
Perihelion – aphelion2.23 – 3.44 au
Eccentricity0.214
Inclination10.8°
Closest distance between its orbit and Earth's (MOID)1.25 au

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

More named asteroids discovered by Purple Mountain Observatory