(6838) Okuda

Asteroid (6838) Okuda
Properties of the orbit ( animation ) Epoch: 4th September 2017 ( JD 2,458,000.5)
Orbit type	Main belt asteroid
Major semi-axis	2.6510 AU
eccentricity	0.1712
Perihelion - aphelion	2.1971 AU - 3.1049 AU
Inclination of the orbit plane	13.6165 °
Length of the ascending node	248.2628 °
Argument of the periapsis	242.1433 °
Sidereal period	4.32 a
Mean orbital velocity	18.29 km / s
Physical Properties
Medium diameter	10.913 (± 0.055) km
Albedo	0.264 (± 0.044)
Rotation period	8,983 h
Absolute brightness	12.0 mag
history
Explorer	Yoshisada Shimizu Takeshi Urata
Date of discovery	October 30, 1995
Another name	1995 UD ₉ , 1962 CQ, 1986 WQ ₅ , 1991 XY, 1993 MO ₁
Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items.

(6838) Okuda is an asteroid of the main belt , the Japanese from the on 30 October 1995 , astronomers Yoshisada Shimizu and Takeshi Urata at Nachi-Katsuura Observatory ( IAU code 905) in the Wakayama Prefecture was discovered.

The asteroid was named after Toyozo Okuda (1908-1983), the fourth director of the International Latitude Observatory in Mizusawa and former director of the Geographical Survey Institute of Japan . During his service in Mizusawa between 1963 and 1976, he established a modern system of geophysical measurements to determine gravity and the earth's tides , which were used to research the earth's rotation .

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