(128795) Douglaswalker Main-belt Asteroid

Discovered on 13 September 2004 by R. A. Tucker at Goodricke-Pigott.

Douglas K. Walker (b. 1955) is an American engineer and astronomer. He specializes in statistical analysis and system modeling for defense applications. A midlife career change, and experience teaching astronomy, led to his PhD in astronomy. He continues his work on variable stars as well as defense project consulting.Naming citation (WGSBN Bull. 1, #1, 22), IAU / Minor Planet Center, via NASA/JPL

Where Douglaswalker is today

MercuryVenusEarthEarthMarsMarsDouglaswalkerDouglaswalker

Seen from above the solar system on 2026-10-14: Douglaswalker is 2.82 au from the Sun and 3.58 au from Earth. Computed from JPL's orbital elements.

Facts

Number128795
Provisional designation2004 RG222
Orbit classMain-belt Asteroid
Absolute magnitude (H)15.97
Orbital period4.68 years
Semi-major axis2.80 au
Perihelion – aphelion2.50 – 3.10 au
Eccentricity0.106
Inclination4.27°
Closest distance between its orbit and Earth's (MOID)1.49 au

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

Also named after someone called Douglas

Also discovered on 13 September 2004

More named asteroids discovered by R. A. Tucker