About National Intelligence Organizations Products Missions Spacecraft Constellations Forecasts Latest Information

© Polaris Intelligence 2026Admin

Pioneer IV

retired

Launched 3/3/1959

Technical Specifications

Verified technical details

Dry Mass: 7 kg
Total Mass: 7 kg
Power: Unknown
Design Life: Unknown

Stakeholders

Operator

Manufacturer

NASA Jet Propulsion Laboratory

Launch Mission

Pioneer 4

3/3/1959