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© Polaris Intelligence 2025Admin

ERS 20

retired

Launched 4/28/1967

Technical Specifications

Verified technical details

Dry Mass: 9 kg
Total Mass: 9 kg
Power: Unknown
Design Life: Unknown

Stakeholders

Operator

U.S. Space Systems Command

Manufacturer

Northrop Grumman

Launch Mission

Vela 4A/4B

4/28/1967