(3789) Zhongguo Outer Main-belt Asteroid

Discovered on 25 October 1928 by Y. C. Chang at Williams Bay.

Where Zhongguo is today

MercuryVenusEarthEarthMarsMarsZhongguoZhongguo

Seen from above the solar system on 2026-10-14: Zhongguo is 3.74 au from the Sun and 4.40 au from Earth. Computed from JPL's orbital elements.

Facts

Number3789
Provisional designation1928 UF
Orbit classOuter Main-belt Asteroid
Diameter14.0 km (#3,394 largest of 17,440 named asteroids with a measured size)
Albedo0.0990
Rotation period3.84 hours
Absolute magnitude (H)12.88
Orbital period5.97 years
Semi-major axis3.29 au
Perihelion – aphelion2.70 – 3.88 au
Eccentricity0.180
Inclination2.74°
Closest distance between its orbit and Earth's (MOID)1.71 au

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