(2503) Liaoning Main-belt Asteroid

Discovered on 16 October 1965 by Purple Mountain Observatory at Nanking.

Where Liaoning is today

MercuryVenusEarthEarthMarsMarsLiaoningLiaoning

Seen from above the solar system on 2026-10-14: Liaoning is 2.22 au from the Sun and 2.55 au from Earth. Computed from JPL's orbital elements.

Facts

Number2503
Provisional designation1965 UB1
Orbit classMain-belt Asteroid
Diameter6.71 km (#7,980 largest of 17,440 named asteroids with a measured size)
Albedo0.0780
Absolute magnitude (H)14.71
Orbital period3.25 years
Semi-major axis2.19 au
Perihelion – aphelion1.73 – 2.66 au
Eccentricity0.213
Inclination7.10°
Closest distance between its orbit and Earth's (MOID)0.730 au

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

Also discovered on 16 October 1965

More named asteroids discovered by Purple Mountain Observatory