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state

Mission

Kind: Radio astronomy

State: Successful

Place: Moon

Operator: NASA

Date

Start:

Duration: 4 years and 2 months (launch date to last contact)

Mission Ending

Last Contact: August 1977 (1977-09)

Rocket

Rocket: Delta 1913

Kind: NASA

Mass: 328 kilograms (723 lb)

Launch Site: Cape Canaveral LC-17B

Flyby

"Requesting permission for flyby." Maverick - Top Gun

Orbit

Reference System: Selenocentric

1º Orbit: Lunar

Lander

"The journey, not the arrival, matters; the voyage, not the landing." - Paul Theroux



Explorer 49 (also called Radio Astronomy Explorer-B (RAE-B)) was a 328-kilogram (723 lb) satellite launched on June 10, 1973, for long wave radio astronomy research. It had four 230-metre-long (750 ft) X-shaped antenna elements, which made it one of the largest spacecraft ever built.

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