Payload / Mission
Vanguard
Type
Earth Science
Orbit
Low Earth Orbit (LEO)
Vanguard is a scientific satellite to measure the Earth's magnetic field, solar X-ray radiation and its effects on the Earth's atmosphere and the near-Earth micrometeoroid environment.
Associated launch
VanguardFailure
Vanguard · US Navy
Monday, Jun 22, 1959, 20:16 UTC
