Parus (satellite)
| Manufacturer | JSC Information Satellite Systems |
|---|---|
| Country of origin |
Soviet Union Russia |
| Operator | VKS |
| Applications | Navigation Communications |
| Specifications | |
| Bus | KAUR-1 |
| Design life | 18-24 months |
| Launch mass | 825 kilograms (1,819 lb) |
| Regime | Low Earth |
| Production | |
| Status | Operational |
| Built | >99 |
| Launched | 99 |
| Operational | Unknown |
| Lost | 1-4 |
| First launch |
Kosmos 700, 26 December 1974 |
| Related spacecraft | |
| Derived from | Tsikada |
Parus (Russian: Парус meaning Sail), also Tsyklon-B or Tsiklon-B (Russian: Циклон-Б meaning Cyclone-B) and Tsikada-M (Russian: Цикада-М meaning Cicada-M),GRAU index 11F627, is a Russian, previously Soviet satellite constellation used for communication and navigation. As of 2010, 99 Parus satellites have been launched, starting with Kosmos 700 in 1974. All launches have been conducted using Kosmos-3M carrier rockets, flying from sites 132 and 133 at the Plesetsk Cosmodrome.
Parus satellites are produced by JSC Information Satellite Systems (formerly NPO PM), based on the KAUR-1 satellite bus. They have a mass of around 825 kilograms (1,819 lb), and a design life of 18–24 months. The satellites operate in low Earth orbits, typically with a perigee of about 950 kilometres (590 mi), an apogee of 1,005 kilometres (624 mi) and 82.9° inclination. They are operated by the Russian Aerospace Defence Forces, and are used primarily for navigation, Store and forward communication, and to relay data from US-P satellites. Some of the navigation functions are believed to have been superseded by the GLONASS system.
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