(18238) Frankshu Main-belt Asteroid

Discovered on 29 September 1973 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.

Frank Shu (b. 1943), president of National Tsinghua University in Taiwan and former professor at the University of California in Berkeley, is well known for his fundamental contributions to the theory of star formation.Naming citation (20050919/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Frankshu is today

MercuryVenusEarthEarthMarsMarsFrankshuFrankshu

Seen from above the solar system on 2026-10-14: Frankshu is 2.83 au from the Sun and 2.38 au from Earth. Computed from JPL's orbital elements.

Facts

Number18238
Provisional designation1241 T-2
Orbit classMain-belt Asteroid
Diameter4.80 km (#11,021 largest of 17,440 named asteroids with a measured size)
Albedo0.133
Absolute magnitude (H)14.51
Orbital period5.35 years
Semi-major axis3.06 au
Perihelion – aphelion2.77 – 3.34 au
Eccentricity0.0930
Inclination8.79°
Closest distance between its orbit and Earth's (MOID)1.77 au

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

Also named after someone called Frank

Also discovered on 29 September 1973

More named asteroids discovered by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T.