Kiyotsugu Hirayama

Kiyotsugu Hirayama

Kiyotsugu Hirayama was a Japanese astronomer, best known for his discovery that many asteroid orbits were more similar to one another than chance would allow, leading to the concept of asteroid families, now called "Hirayama families" in his honour.

From *.wikipedia.org,
General Info
.
Male
Date of Birth
October 13rd, 1874
Age
151
Birth Place
Japan, Miyagi Prefecture
Date of Death
April 8th, 1943
Died Aged
68
Star Sign
Libra
Social Networks , Links
Interest
Loading Chart...
Lists
    index: 1x 0.035032033920288s
fmsppl-page-output: 1x 0.028752088546753s
t_/pages/fms-person-json: 1x 0.028714895248413s
t_/blocks/person-card-json: 1x 0.018217086791992s
headline: 7x 0.011112213134766s
t_/common/header: 1x 0.0097789764404297s
router_page: 1x 0.0054020881652832s
t_/common/head: 1x 0.0010330677032471s
head-facts: 1x 0.00099921226501465s
t_/common/footer: 1x 0.00046801567077637s
t_/common/searcher-result: 1x 1.7881393432617E-5s
----- END OF DUMP (2026-09-05 07:31:09)  -----