| Names | COSMO-SkyMed 1 |
|---|---|
| Mission type | Radar imaging |
| Operator | ASI / MDD |
| COSPAR ID | 2007-023A  |
| SATCAT no. | 31598 |
| Mission duration | 5 years (planned) 17 years and 7 days (in progress) |
| Spacecraft properties | |
| Spacecraft | COSMO-SkyMed 1 |
| Bus | PRIMA |
| Manufacturer | Thales Alenia Space |
| Launch mass | 1,700 kg (3,700 lb) |
| Start of mission | |
| Launch date | 8 June 2007, 02:34:00 UTC |
| Rocket | Delta II 7420-10C (D324) |
| Launch site | Vandenberg, SLC-2W |
| Contractor | United Launch Alliance |
| Entered service | 2007 |
| Orbital parameters | |
| Reference system | Geocentric orbit[1] |
| Regime | Sun-synchronous orbit |
| Perigee altitude | 628.7 km (390.7 mi) |
| Apogee altitude | 630.7 km (391.9 mi) |
| Inclination | 97.88° |
| Period | 97.16 minutes |
COSMO-1orCOSMO-SkyMed 1 is an Italian radar imaging satellite. Launched in 2007, it was the first of four COSMO-SkyMed satellites to be placed into orbit. The spacecraft is operated by the Italian Space Agency (ASI), in conjunction with Italy's Ministry of Defence. It uses synthetic-aperture radar to produce images for civilian, commercial and military purposes.[2]
COSMO-1 was constructed by Thales Alenia Space, based on the PRIMA (PRecursore IperSpettrale della Missione Applicativa) satellite bus.[3] It was the first PRIMA-based spacecraft to be launched.[4] Designed for a five-year mission.[5]
ASI awarded Boeing a contract to launch COSMO-1, with the launch being subcontracted to United Launch Alliance when it was formed to take over Delta launch operations. The launch took place at 02:34:00 UTC on 8 June 2007. A Delta II launch vehicle in the 7420-10C configuration, flight number Delta 324, lifted off from SLC-2WatVandenberg Air Force Base, successfully injecting the satellite into low Earth orbit. Spacecraft separation occurred 58 minutes and 5 seconds after liftoff.[6]
The satellite operates in a Sun-synchronous orbit. An orbit with a perigee of 629 km (391 mi), an apogee of 631 km (392 mi), inclined at 97.88° to the equator. It has an orbital period of 97.16 minutes.[1]
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