SKYMED 4

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SKYMED 4 is classified as:

NORAD ID: 37216

Int'l Code: 2010-060A

Perigee: 628.9 km

Apogee: 630.5 km

Inclination: 97.9 °

Period: 97.2 minutes

Semi major axis: 7000 km

RCS: 5.7987 m² (large)

Launch date: November 6, 2010
Source: Italy (IT)
Launch site: AIR FORCE WESTERN TEST RANGE (AFWTR)

COSMO-SKYMED 4 is part of Italy's home-grown Earth observing system, a constellation of radar satellites built for civil and military reconnaissance in a flagship program carrying a 1 billion euro price tag. Developed by Thales Alenia Space Italia for the Italian Space Agency and the Italian Ministry of Defence, the COSMO-SkyMed system is the country's largest space project. Each satellite is equipped with an X-Band Synthetic Aperture Radar instrument for environmental monitoring, resource management and territorial security surveillance. They are capable of seeing the ground in daylight or darkness, with clear skies or cloudy ones. The craft can produce 450 images per day and the picture-collecting time between civil and military uses is proportional to the financial contributions made during development of the system. The Italian Space Agency funded about 70 percent and the Ministry of Defence provided about 30 percent. Imagery released for civilian purposes have a resolution of 1 meter, meaning objects as small as that size can be seen. The military capability is even sharper, though its exact resolution is classified.