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S-45 (Explorer (10), (12))

Explorer (10) (S 45) [NASA]

The S-45 satellites were missions in the Explorer program to investigate the shape of the ionosphere.

S-45 was launched using a Juno-2 rocket. A malfunction following booster separation resulted in loss of payload telemetry and the third and fourth stages failed to ignite. The spacecraft did not achieve orbit and did not receive an Explorer number.

S-45A was also launched by a Juno-2 rocket. The second stage ignition system malfunctioned and the spacecraft did not achieve orbit.

Nation: USA
Type / Application: Research, ionospheric
Operator: NASA
Propulsion: ?
Power: Solar cells, batteries
Mass: 34 kg
Satellite COSPAR Date LS Launch Vehicle Remarks
Explorer (10) (S 45) 1961-F01 25.02.1961 CC LC-26B F Juno-2
Explorer (12) (S 45a) 1961-F04 24.05.1961 CC LC-26B F Juno-2


Further Explorer missions:

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