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DS-U2-D

DS-U2-D (Kosmos 137) [Yuzhnoye]

The DS-U2-D satellites were a series of Soviet technolgy demonstration satellites launched as part of the Dnepropetrovsk Sputnik program.

These satellites were to investigate flows of charged particles in the Earth's magnetosphere.

The first satellite, Kosmos 137 was launched on 21 December 1966 on a Kosmos-2 booster from Kapustin Yar. It operated until 12 May 1967 and decayed from orbit 23 November 1967.

A second satellite, Kosmos 219 was launched on 26 April 1968 also on the same launch vehicle type. It completed operations on 28 February 1969 and reentered the atmosphere on 2 March 1969.

Nation: USSR
Type / Application: Science, magnetosphere
Operator:
Contractors: Yuzhnoye
Equipment:
Configuration: DS Bus
Propulsion:
Power: 4 deployable fixed solar arrays, solar cells, batteries
Lifetime:
Mass: 237 kg (#1); 300 kg (#2)
Orbit: 221 km × 1622 km, 48.8 (#1); 214 km × 1647 km, 48.4 (#2)
Satellite COSPAR Date LS Launch Vehicle Remarks
Kosmos 137 (DS-U2-D #1) 1966-117A 21.12.1966 KY LC-86/1 Kosmos-2
Kosmos 219 (DS-U2-D #2) 1968-038A 26.04.1968 KY LC-86/4 Kosmos-2