(2505) Hebei Main-belt Asteroid

Discovered on 31 October 1975 by Purple Mountain Observatory at Nanking.

Where Hebei is today

MercuryVenusEarthEarthMarsMarsHebeiHebei

Seen from above the solar system on 2026-10-14: Hebei is 3.60 au from the Sun and 2.88 au from Earth. Computed from JPL's orbital elements.

Facts

Number2505
Provisional designation1975 UJ
Orbit classMain-belt Asteroid
Diameter22.3 km (#1,937 largest of 17,440 named asteroids with a measured size)
Albedo0.0890
Absolute magnitude (H)11.71
Orbital period5.57 years
Semi-major axis3.14 au
Perihelion – aphelion2.60 – 3.68 au
Eccentricity0.172
Inclination2.08°
Closest distance between its orbit and Earth's (MOID)1.59 au

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

More named asteroids discovered by Purple Mountain Observatory