Ctrl K

© Polaris Intelligence 2026

Privacy Terms Admin

ERS 26

retired

Science ExplorationHEOCOSPAR 1969-046BLaunched 5/23/1969

Mission & Launch

Launch Mission: Vela 5A/5B
Launch Vehicle: Titan IIIC
Launch Date: 5/23/1969
Last Contact: 8/22/1976

Orbit & Mass

Orbit Class: HEO
Altitude: 64,280 km
Inclination: 33.15 deg
Dry Mass: 9 kg
Total Mass: 9 kg

Payload Classification

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

Organizations

Operator: U.S. Air Force
Manufacturer: Northrop Grumman

Registry

COSPAR ID: 1969-046B
UN Registration: A/AC.105/INF.211