Vanguard
SuccessVanguard II · US Navy
Launch time (NET)
Tuesday, Feb 17, 1959, 15:55 UTC
Launch window
Tuesday, Feb 17, 1959, 15:55 UTC – Tuesday, Feb 17, 1959, 15:55 UTC
Provider
US Navy
Rocket
Launch pad
Launch Complex 18A, Cape Canaveral SFS, FL, USA · Open map
Status
Success
The launch vehicle successfully inserted its payload(s) into the target orbit(s).
Mission
Vanguard II
Type
Earth Science
Orbit
Medium Earth Orbit (MEO)
Vanguard II is an Earth orbiting satellite and the first weather satellite. It was designed to measure cloud-cover distribution over the daylight portion of its orbit for a period of 19 days and to provide information on the density of the atmosphere.
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