Ctrl K

© Polaris Intelligence 2026

Privacy Terms Admin

Tyazholiy Sputnik

retired

Тяжелой Спутник

Science ExplorationLEOCOSPAR 1961 BET 1Launched 2/4/1961

Mission & Launch

Launch Mission: Tyazholiy Sputnik
Launch Vehicle: Molniya 8K78
Launch Date: 2/4/1961
Last Contact: 2/4/1961

Orbit & Mass

Orbit Class: LEO
Altitude: 237.5 km
Inclination: 64.9 deg
Dry Mass: 620 kg
Total Mass: 5,620 kg

Payload Classification

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

Organizations

Operator: RSC Energia
Manufacturer: RSC Energia

Registry

COSPAR ID: 1961 BET 1
UN Registration: A/AC.105/INF.002