(2743) Chengdu Main-belt Asteroid

Discovered on 21 November 1965 by Purple Mountain Observatory at Nanking.

Where Chengdu is today

MercuryVenusEarthEarthMarsMarsChengduChengdu

Seen from above the solar system on 2026-10-14: Chengdu is 2.46 au from the Sun and 2.54 au from Earth. Computed from JPL's orbital elements.

Facts

Number2743
Provisional designation1965 WR
Orbit classMain-belt Asteroid
Diameter8.97 km (#5,781 largest of 17,440 named asteroids with a measured size)
Albedo0.200
Rotation period8.32 hours
Absolute magnitude (H)12.3
Orbital period4.32 years
Semi-major axis2.65 au
Perihelion – aphelion2.20 – 3.11 au
Eccentricity0.173
Inclination12.3°
Closest distance between its orbit and Earth's (MOID)1.22 au

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

More named asteroids discovered by Purple Mountain Observatory