(25159) Michaelwest Main-belt Asteroid

Discovered on 17 September 1998 by LONEOS at Anderson Mesa.

Michael West (b. 1959) is the Deputy Director for Science at Lowell Observatory. His research focuses on star clusters and galaxies. He was PI for six Hubble Space Telescope projects and has authored two books, including A Sky Wonderful with Stars.Naming citation (MPC batch dated 2017-03-12), IAU / Minor Planet Center, via NASA/JPL

Where Michaelwest is today

MercuryVenusEarthEarthMarsMarsMichaelwestMichaelwest

Seen from above the solar system on 2026-10-14: Michaelwest is 2.34 au from the Sun and 1.35 au from Earth. Computed from JPL's orbital elements.

Facts

Number25159
Provisional designation1998 SN57
Orbit classMain-belt Asteroid
Diameter10.6 km (#4,787 largest of 17,440 named asteroids with a measured size)
Albedo0.0690
Absolute magnitude (H)13.75
Orbital period4.63 years
Semi-major axis2.78 au
Perihelion – aphelion2.34 – 3.22 au
Eccentricity0.159
Inclination2.18°
Closest distance between its orbit and Earth's (MOID)1.34 au

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

Also named after someone called Michael

Also discovered on 17 September 1998

More named asteroids discovered by LONEOS