Ctrl K

© Polaris Intelligence 2026

Privacy Terms Admin

ERS 17

retired

Science ExplorationHEOCOSPAR 1965-058CLaunched 7/20/1965

Mission & Launch

Launch Mission: Vela 3A/3B
Launch Vehicle: Atlas Agena D
Launch Date: 7/20/1965
Last Contact: 11/3/1965

Orbit & Mass

Orbit Class: HEO
Altitude: 56,178 km
Inclination: 36.88 deg
Dry Mass: 5 kg
Total Mass: 5 kg

Payload Classification

Mission Type: Science Exploration
Payload Category: AST
Payload Class: C

Organizations

Operator: U.S. Space Systems Command
Manufacturer: Northrop Grumman

Registry

COSPAR ID: 1965-058C
UN Registration: A/AC.105/INF.112