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Molniya-1S (11F658)

Molniya-1S [ISS Reshetnev]

Molniya-1S was the first operating geostationary communications satellite of the Soviet Union.

After the Kosmos 637 dummy satellite was put into geostationary orbit, the Soviet Union launched a modified Molniya-1 satellite into GSO. This experimental satellite was built by NPO Prikladnoi Mekhaniki and was based on the operational Molniya-1 series.

Launch vehicle was the Proton-K Blok-DM instead of the Molniya-M Blok-ML, which was used for the high elliptical orbit version.

This satellite was the only Molniya satellite to be put into geostationary orbit.

Nation: USSR
Type / Application: Communication
Operator:
Contractors: NPO Prikladnoi Mekhaniki (NPO PM)
Equipment:
Configuration: KAUR-2
Propulsion: KDU-414A (S5.114)
Power: 6 deployable solar arrays, batteries
Lifetime:
Mass:
Orbit: GEO
Satellite COSPAR Date LS Launch Vehicle Remarks
Molniya-1S 1 (Molniya-1S 38L) 1974-060A 29.07.1974 Ba LC-81/24 Proton-K Blok-DM
Further Molniya missions: