Asteroid (1999) Hirayama

Named in memory of Kiyotsugu Hirayama (1874-1943), discoverer of the so-called Hirayama families of minor planets. Hirayama is also honored by a lunar crater.

Professor Hirayama, of the Astronomical Observatory, Tokyo, was elected a Corresponding Fellow of the Royal Astronomical Society of Canada on 1907-10-01.

Orbit type: Main Belt Asteroid 

Reference: M 4237

Author: 
ebriggs
Name: 
Hirayama
Number: 
1999
Designation: 
1973 DR
Disc. Date: 
1973-02-27
Discoverer: 
Kohoutek, L.
Disc. Place: 
Bergedorf