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DS-U1-A

DS-U1-A (Kosmos 215) [Yuzhnoye]

DS-U1-A was a Soviet satellite which was launched in 1968 as part of the Dnepropetrovsk Sputnik programme. It was a 385 kg spacecraft, which was built by the Yuzhnoye Design Bureau. It was equipped with eight telescopes for optical observation, and one for ultraviolet astronomy. A X-ray experiment was also carried.

A Kosmos-2 carrier rocket was used to launch the satellite into low Earth orbit from Kapustin Yar. Upon reaching orbit, the satellite was assigned the Kosmos 215 designation.

Kosmos 215 performed ultraviolet photometry of 36 A and B stars from parallel telescopes and two UV photometers with maximum responses at 274.0 and 227.5 nm. Its x-ray telescope was used to measure radiation between 0.05 and 0.5 nm. It was primarily used to study the Sun, although several other X-ray emissions were detected.

Kosmos 215 completed operations on 6 June 1968. On 30 June 1968, it decayed from orbit and reentered the atmosphere.

Nation: USSR
Type / Application: Science, upper atmosphere
Operator:
Contractors: Yuzhnoye
Equipment: 8 telescopes
Configuration: DS Bus
Propulsion:
Power: Batteries
Lifetime: 2 months
Mass: 385 kg
Orbit: 248 km × 350 km, 48.4
Satellite COSPAR Date LS Launch Vehicle Remarks
Kosmos 215 (DS-U1-A #1) 1968-033A 18.04.1968 KY LC-86/4 Kosmos-2