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TRACE (Transition Region and Coronal Explorer)

TRACE (Transition Region and Coronal Explorer)
NASA's third SMEX (Small Explorer) spacecraft. TRACE carried a 30-cm extreme ultraviolet imaging telescope, with a field of view of 8.5 arcminutes and a resolution of 1 arcsecond, for studies of the Sun. It was placed in a sun-synchronous orbit, enabling it to make continuous solar observations.

launch date Apr. 2, 1998
launch vehicle Pegasus XL
launch site Vandenberg Air Force Base
orbit 602 × 652 km × 97.8°
mass 250 kg

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