was a Japanese

astronomer An astronomer is a scientist in the field of astronomy who focuses their studies on a specific question or field outside the scope of Earth. They observe astronomical objects such as stars, planets, moons, comets and galaxies – in either ...

and discoverer of

minor planet According to the International Astronomical Union (IAU), a minor planet is an astronomical object in direct orbit around the Sun that is exclusively classified as neither a planet nor a comet. Before 2006, the IAU officially used the term ''minor ...

s. He is credited by the

Minor Planet Center The Minor Planet Center (MPC) is the official body for observing and reporting on minor planets under the auspices of the International Astronomical Union (IAU). Founded in 1947, it operates at the Smithsonian Astrophysical Observatory. Function T ...

with the discovered 8

asteroid An asteroid is a minor planet of the inner Solar System. Sizes and shapes of asteroids vary significantly, ranging from 1-meter rocks to a dwarf planet almost 1000 km in diameter; they are rocky, metallic or icy bodies with no atmosphere. ...

s between 1927 and 1929. The outer main-belt asteroid

2667 Oikawa __NOTOC__ Year 667 ( DCLXVII) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. The denomination 667 for this year has been used since the early medieval period, when the Anno Domini calendar era ...

was named in his memory. Naming citation was published on 1 June 1996 ().

References

1896 births 1970 deaths Discoverers of asteroids * 20th-century Japanese astronomers {{japan-astronomer-stub