(8021) Walter Main-belt Asteroid

Discovered on 22 October 1990 by Shoemaker, C. S., Levy, D. H. at Palomar.

Walter Anderson (b. 1944) is a long-time editor of Parade, a magazine that reaches more than 80 million readers weekly. For many years he has focused the magazine's positive and uplifting stories. He is also known for his commitment to many causes, including improving literacy in the United States.Naming citation (19991123/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Walter is today

MercuryVenusEarthEarthMarsMarsWalterWalter

Seen from above the solar system on 2026-10-14: Walter is 2.14 au from the Sun and 1.86 au from Earth. Computed from JPL's orbital elements.

Facts

Number8021
Provisional designation1990 UO2
Orbit classMain-belt Asteroid
Diameter6.29 km (#8,524 largest of 17,440 named asteroids with a measured size)
Albedo0.257
Rotation period4.84 hours
Absolute magnitude (H)13.53
Orbital period3.65 years
Semi-major axis2.37 au
Perihelion – aphelion1.84 – 2.90 au
Eccentricity0.224
Inclination23.8°
Closest distance between its orbit and Earth's (MOID)0.855 au

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

Also discovered on 22 October 1990

More named asteroids discovered by Shoemaker, C. S., Levy, D. H.