Nadezhda (satellite)
Encyclopedia
Nadezhda is a civilian satellite navigation system and part of the international COSPAS-SARSAT
search-and-rescue system.
transponder system, used by ships and aircraft in distress to summon help. Generally, the Nadezhda satellites will be able to get a fix on the ship's position with better than 5 km accuracy.
The satellites were first introduced in 1989. A newer version, called Nadezhda-M is reportedly smaller than the original one. It is due to be replaced by the Sterkh
satellites. Nadezhda-M6 was launched on 28 June, 2001. Nadezhda-M7 was launched on 26 September, 2002. The satellites are designed and manufactured by Production Corporation Polyot
.
Cospas-Sarsat
Cospas-Sarsat is an international satellite-based search and rescue distress alert detection and information distribution system, established by Canada, France, the United States, and the former Soviet Union in 1979. It is best known as the system that detects and locates emergency beacons...
search-and-rescue system.
Overview
The system consists of four satellites, each with a mass of 870kg, diameter of 2m and length of 3.5. They orbit at an inclination of 89 degrees and an altitude of 1,000 km. The satellites carry the COSPAS-SARSATCospas-Sarsat
Cospas-Sarsat is an international satellite-based search and rescue distress alert detection and information distribution system, established by Canada, France, the United States, and the former Soviet Union in 1979. It is best known as the system that detects and locates emergency beacons...
transponder system, used by ships and aircraft in distress to summon help. Generally, the Nadezhda satellites will be able to get a fix on the ship's position with better than 5 km accuracy.
The satellites were first introduced in 1989. A newer version, called Nadezhda-M is reportedly smaller than the original one. It is due to be replaced by the Sterkh
Sterkh
Sterkh is a Russian satellite-based search and rescue system, which forms part of the International Search and Rescue Satellite-Aided System .- Overview :...
satellites. Nadezhda-M6 was launched on 28 June, 2001. Nadezhda-M7 was launched on 26 September, 2002. The satellites are designed and manufactured by Production Corporation Polyot
Production Corporation Polyot
Production Association Polyot is a Russian aerospace engineering company best known for being the manufacturer of GLONASS satellites and the Kosmos-3M space launch vehicle...
.