(6925) Susumu Main-belt Asteroid

Discovered on 24 October 1993 by T. Seki at Geisei.

Named in honor of Augustin Susumu Yamamoto (b. 1915), agronomist and director of the Yamamoto Observatory and, from 1988 to 1994, chairman of the board of directors of the Oriental Astronomical Association, which maintains its headquarters there. He published a Catalogue of Cometary Orbits in 1936. His father was the astronomer Issei Yamamoto. Name proposed by the discoverer following a suggestion by I. Hasegawa and T. Sato.Naming citation (19981005/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

👶 Susumu as a baby name

Where Susumu is today

Seen from above the solar system on 2026-10-14: Susumu is 2.79 au from the Sun and 1.79 au from Earth. Computed from JPL's orbital elements.

Facts

Number	6925
Provisional designation	1993 UW2
Orbit class	Main-belt Asteroid
Diameter	22.9 km (#1,870 largest of 17,440 named asteroids with a measured size)
Albedo	0.0460
Rotation period	52.8 hours
Absolute magnitude (H)	12.33
Orbital period	4.77 years
Semi-major axis	2.83 au
Perihelion – aphelion	2.55 – 3.12 au
Eccentricity	0.101
Inclination	14.2°
Closest distance between its orbit and Earth's (MOID)	1.58 au

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

Also named after someone called Augustin

All asteroids named after someone called Augustin

Also discovered on 24 October 1993

More named asteroids discovered by T. Seki

All 224

← (6924) Fukui · (6927) Tonegawa →