Ariel 2 before launch
|Mission type||Radio astronomy|
|Launch mass||68 kilograms (150 lb)|
|Start of mission|
|Launch date||27 March 1964, 17:25:23UTC|
|Launch vehicle||Scout X-3|
|Launch site||Wallops Island LA-3|
|End of mission|
|Last contact||November 1964|
|Decay date||18 November 1967|
|Perigee||289 kilometres (180 mi)|
|Apogee||1,343 kilometres (835 mi)|
|Epoch||3 May 1964|
Ariel 2, also known as UK-C, was a British radio astronomy satellite, which was operated by the Science and Engineering Research Council as part of the Ariel programme. It was built in America by Westinghouse Electric, and had a mass at launch of 68 kilograms (150 lb). It was launched in 1964, and became the first satellite to be used for radio astronomy.
The launch of Ariel 2 was conducted by the United States National Aeronautics and Space Administration, using a Scout X-3 rocket. The launch occurred at 17:25:23 GMT on 27 March 1964, from Launch Area 3 at the Wallops Flight Facility. Ariel 2 was placed into a low Earth orbit, with a perigee of 289 kilometres (180 mi), an apogee of 1,343 kilometres (835 mi), 51.6 degrees of inclination and an orbital period of 101.2 minutes as of 3 May 1964. It ceased operations in November 1964, and subsequently decayed from orbit on 18 November 1967.
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