(10041) Parkinson Main-belt Asteroid

Discovered on 24 April 1985 by Shoemaker, C. S., Shoemaker, E. M. at Palomar.

Bradford Parkinson led a team that developed the Global Positioning System with revolutionary tracking technology. The GPS has transformed navigation, recreation, law enforcement and all sciences requiring precise knowledge of location.Naming citation (20020921/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Parkinson is today

MercuryVenusEarthEarthMarsMarsParkinsonParkinson

Seen from above the solar system on 2026-10-14: Parkinson is 2.61 au from the Sun and 2.24 au from Earth. Computed from JPL's orbital elements.

Facts

Number10041
Provisional designation1985 HS1
Orbit classMain-belt Asteroid
Diameter3.84 km (#13,128 largest of 17,440 named asteroids with a measured size)
Albedo0.250
Rotation period2.56 hours
Absolute magnitude (H)13.73
Orbital period3.54 years
Semi-major axis2.32 au
Perihelion – aphelion1.86 – 2.79 au
Eccentricity0.199
Inclination23.2°
Closest distance between its orbit and Earth's (MOID)0.884 au

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

Also named after someone called Bradford

Also discovered on 24 April 1985

More named asteroids discovered by Shoemaker, C. S., Shoemaker, E. M.