Gekko Observatory
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Gekko Observatory
Gekko Observatory
Downtown Mishima 20120910.jpg
Observatory code 888 Edit this on Wikidata
LocationShizuoka Prefecture, Kannami, Japan Edit this at Wikidata
Coordinates35°07?43?N 138°59?33?E / 35.128526°N 138.992393°E / 35.128526; 138.992393Coordinates: 35°07?43?N 138°59?33?E / 35.128526°N 138.992393°E / 35.128526; 138.992393
Altitude312 m (1,024 ft) Edit this at Wikidata
Established1957 Edit this on Wikidata Edit this at Wikidata
Unnamed20cm refracting telescope
Unnamed50cm reflecting telescope
Gekko Observatory is located in Japan
Gekko Observatory
Location of Gekko Observatory

Gekko Tenmondai ( "Moonlight Observatory") is an astronomical observatory located in the Shizuoka Prefecture, Japan. It was founded in 1957 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.

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 .
  • Schmadel, Lutz D. (2003). Dictionary of Minor Planet Names. Springer. ISBN 3-540-00238-3.

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.



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