Gekko Observatory

Gekko Tenmondai (月光天文台 "Moonlight Observatory") is an astronomical observatory located in the Shizuoka Prefecture, Japan. It was founded in 1957 by Ananaikyo members and is owned by the International Foundation for Cultural Harmony. Between 1987 and 2000, the astronomers Yoshiaki Oshima and Tetsuo Kagawa discovered 172 minor planets at this site. In 2000, this observatory was ranked 40th in the world for total asteroid discoveries.

Key Information

Alternative names	Gekko Astronomical Observatory
Observatory code	888
Location	Kannami, Numazu metropolitan area, Shizuoka Prefecture, Japan
Coordinates	35°07′43″N 138°59′33″E / 35.128526°N 138.992393°E / 35.128526; 138.992393
Altitude	312 m (1,024 ft)
Established	21 September 1957
Website	gekkou.or.jp
Telescopes
Unnamed 20cm refracting telescope Unnamed 50cm reflecting telescope
Unnamed	20cm refracting telescope
Unnamed	50cm reflecting telescope
Location of Gekko Observatory
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Asteroid 4261 Gekko is named after this observatory. The IAU code for this observatory is 888. The name of the observatory means "moonlight".

• Staff (2000). "Minor Planet Discovery Sites". IAU: Minor Planet Center. Retrieved 2007-09-20.
• Schmadel, Lutz D. (2003). Dictionary of Minor Planet Names. Springer. ISBN 3-540-00238-3.

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