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Koltso (17F115) ?

Koltso [Yuzhnoye]

The Koltso satellites were an enlarged version of the Taifun-2 radar calibration satellites.

Kosltso was a third-generation system with a more accurate pointing system and a larger amount of up to 36 Romb subsatellites. It was designed to test elements of the Moscow air defence system.

Three satellites were launched on Tsiklon-3 boosters.

Nation: USSR / Russia
Type / Application: Radar calibration
Contractors: Yuzhnoye
Power: 8 deployable fixed solar arrays, batteries
Orbit: 522 km × 528 km, 73.56 (#1); 518 km × 531 km, 73.54 (#2); 509 km × 529 km, 82.51 (#3)
Satellite COSPAR Date LS Launch Vehicle Remarks
Kosmos 1985 (Koltso #1) 1988-113A 23.12.1988 Pl LC-32/1 Tsiklon-3 with 36(36) Romb
Kosmos 2053 (Koltso #2) 1989-100A 27.12.1989 Pl LC-32/2 Tsiklon-3 with 36(36) Romb
Kosmos 2106 (Koltso #3) 1990-104A 28.11.1990 Pl LC-32/2 Tsiklon-3 with 36(1) Romb

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