(9132) Walteranderson Main-belt Asteroid

Discovered on 24 September 1960 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.

Named in honor of Walter Anderson, chief executive officer of Entreé International and long-time supporter of space exploration, most notably via the International Space University.Naming citation (19990402/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Walteranderson is today

MercuryVenusEarthEarthMarsMarsWalterandersonWalteranderson

Seen from above the solar system on 2026-10-14: Walteranderson is 3.03 au from the Sun and 2.09 au from Earth. Computed from JPL's orbital elements.

Facts

Number9132
Provisional designation2821 P-L
Orbit classMain-belt Asteroid
Diameter15.7 km (#2,948 largest of 17,440 named asteroids with a measured size)
Albedo0.0710
Rotation period6.27 hours
Absolute magnitude (H)12.79
Orbital period5.49 years
Semi-major axis3.11 au
Perihelion – aphelion2.59 – 3.63 au
Eccentricity0.166
Inclination2.59°
Closest distance between its orbit and Earth's (MOID)1.58 au

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

Also named after someone called Walter

Also discovered on 24 September 1960

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