(2185) Guangdong Main-belt Asteroid

Discovered on 20 November 1965 by Purple Mountain Observatory at Nanking.

Named for a coastal province in southern China.Naming citation (MPC 5184), IAU / Minor Planet Center, via NASA/JPL

Where Guangdong is today

MercuryVenusEarthEarthMarsMarsGuangdongGuangdong

Seen from above the solar system on 2026-10-14: Guangdong is 2.39 au from the Sun and 2.86 au from Earth. Computed from JPL's orbital elements.

Facts

Number2185
Provisional designation1965 WO
Orbit classMain-belt Asteroid
Diameter14.8 km (#3,177 largest of 17,440 named asteroids with a measured size)
Albedo0.242
Rotation period21.1 hours
Spectral typeS
Absolute magnitude (H)11.53
Orbital period4.46 years
Semi-major axis2.71 au
Perihelion – aphelion2.27 – 3.15 au
Eccentricity0.162
Inclination9.60°
Closest distance between its orbit and Earth's (MOID)1.28 au

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

Also discovered on 20 November 1965

More named asteroids discovered by Purple Mountain Observatory