Deep Space 1 (DS1) is the first NASA New Millenium mission designed to test new technologies in space. Deep Space 1 was launched on 24 October 1998 and flew by asteroid 9969 Braille on 29 July 1999 at a distance of 26 km. Due to target tracking problems close-up images of the asteroid were not returned. One of the primary technologies tested on Deep Space 1 was a xenon ion engine. DS! is currently in its extended mission, which may include a flyby of comet Borrely.
NSSDCA Planetary Science Home Page
NSSDCA Home Page
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