(8338) Ralhan Main-belt Asteroid

Discovered on 27 March 1985 by Copenhagen Observatory at Brorfelde.

Danish physicist Philip Ralhan Bidstrup (b. 1979) obtained a doctorate from the University of Copenhagen in 2008 based on a feasibility study for detecting and observing small minor planets by a spacecraft in deep space. The name was suggested by A. C. Andersen.Naming citation (20080520/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Ralhan is today

MercuryVenusEarthEarthMarsMarsRalhanRalhan

Seen from above the solar system on 2026-10-14: Ralhan is 2.03 au from the Sun and 2.14 au from Earth. Computed from JPL's orbital elements.

Facts

Number8338
Provisional designation1985 FE3
Orbit classMain-belt Asteroid
Diameter4.79 km (#11,028 largest of 17,440 named asteroids with a measured size)
Albedo0.336
Rotation period5.27 hours
Absolute magnitude (H)14.01
Orbital period3.39 years
Semi-major axis2.26 au
Perihelion – aphelion1.84 – 2.68 au
Eccentricity0.186
Inclination7.96°
Closest distance between its orbit and Earth's (MOID)0.834 au

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

Also named after someone called Philip

More named asteroids discovered by Copenhagen Observatory