NSSDCA ID: EXS-452
Explorer (S-45A) was launched using a Juno 2 rocket. Its mission was to investigate the shape of the ionosphere. The second stage ignition system malfunctioned and the spacecraft did not achieve orbit.
Launch Date: 1961-05-24
Launch Vehicle: Juno 2 (Juno II)
Launch Site: Cape Canaveral, United States
Mass: 33.6 kg
Questions and comments about this spacecraft can be directed to: Coordinated Request and User Support Office