(3650) Kunming Main-belt Asteroid

Discovered on 30 October 1978 by Purple Mountain Observatory at Nanking.

Kunming, the capital of Yunnan province, is one of the hub cities in southwestern China. It enjoys a reputation as “The City of Eternal Spring”.Naming citation (19990928/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Kunming is today

MercuryVenusEarthEarthMarsMarsKunmingKunming

Seen from above the solar system on 2026-10-14: Kunming is 3.11 au from the Sun and 4.07 au from Earth. Computed from JPL's orbital elements.

Facts

Number3650
Provisional designation1978 UO2
Orbit classMain-belt Asteroid
Diameter26.6 km (#1,567 largest of 17,440 named asteroids with a measured size)
Albedo0.0330
Absolute magnitude (H)11.76
Orbital period5.49 years
Semi-major axis3.11 au
Perihelion – aphelion2.35 – 3.87 au
Eccentricity0.244
Inclination14.6°
Closest distance between its orbit and Earth's (MOID)1.39 au

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

Also discovered on 30 October 1978

More named asteroids discovered by Purple Mountain Observatory