Richard Armstrong (1937–1991) studied radiogenic isotope geochemistry, geology of the American Cordillera, geochronology, and Earth’s geochemical evolution.
Name suggested by R. and P. Jedicke.
Orbit type: Main Belt
MPC 100606
Name:
Dickarmstrong
Number:
21362
Designation:
1997 HS3
Disc. Date:
1997-04-30
Discoverer:
Spacewatch
Disc. Place:
Kitt Peak