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Survey type Astronomical survey Edit this on Wikidata
Observatory code 691
Minor planets discovered: 130,493 [1]
see Category:Discoveries by the Spacewatch project

The Spacewatch project is an astronomical survey that specializes in the study of minor planets, including various types of asteroids and comets at Kitt Peak National Observatory near Tucson, Arizona, in the United States.

It is led by astronomer Robert S. McMillan at the University of Arizona and was founded in 1980 by Tom Gehrels and McMillan. Spacewatch uses a 1.8-meter and a 0.9-meter dedicated telescope. In addition, it uses the Nicholas U. Mayall Telescope and the Steward Observatory's Bok Telescope for follow-up observations of near-Earth objects.[2][3]

Notable discoveries[edit]

Number of NEOs detected by various projects:
  All others

The project has also rediscovered 719 Albert, a long-lost asteroid.

See also[edit]