(182122) Sepan Main-belt Asteroid

Discovered on 26 August 2000 by M. W. Buie at Cerro Tololo.

Rebecca L. H. Sepan (b. 1977), a senior mission operations analyst at the Johns Hopkins University Applied Physics Laboratory, served as a Flight Controller for the New Horizons Mission to Pluto.Naming citation (MPC batch dated 2018-05-29), IAU / Minor Planet Center, via NASA/JPL

Where Sepan is today

MercuryVenusEarthEarthMarsMarsSepanSepan

Seen from above the solar system on 2026-10-14: Sepan is 2.63 au from the Sun and 2.35 au from Earth. Computed from JPL's orbital elements.

Facts

Number182122
Provisional designation2000 QY234
Orbit classMain-belt Asteroid
Absolute magnitude (H)16.49
Orbital period4.85 years
Semi-major axis2.87 au
Perihelion – aphelion2.54 – 3.19 au
Eccentricity0.113
Inclination9.43°
Closest distance between its orbit and Earth's (MOID)1.56 au

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

Also named after someone called Rebecca

Also discovered on 26 August 2000

More named asteroids discovered by M. W. Buie