Ctrl K

© Polaris Intelligence 2026

Privacy Terms Admin

IMP 8

retired

Science ExplorationHEOCOSPAR 1973-078ALaunched 10/26/1973

Mission & Launch

Launch Mission: Explorer 50
Launch Vehicle: Delta 1604
Launch Date: 10/26/1973
Last Contact: 10/26/2001

Orbit & Mass

Orbit Class: HEO
Altitude: 215,092 km
Inclination: 19.7 deg
Dry Mass: 273 kg
Total Mass: 398 kg

Payload Classification

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

Organizations

Operator: NASA Goddard Space Flight Center
Manufacturer: NASA Goddard Space Flight Center

Registry

COSPAR ID: 1973-078A
UN Registration: A/AC.105/INF.286