COSMO-1

COSMO-1 or COSMO-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
NamesCOSMO-SkyMed 1
Mission typeRadar imaging
OperatorASI / MDD
COSPAR ID2007-023A
SATCAT no.31598
Mission duration5 years (planned)
16 years, 4 months and 17 days (in progress)
Spacecraft properties
SpacecraftCOSMO-SkyMed 1
BusPRIMA
ManufacturerThales Alenia Space
Launch mass1,700 kg (3,700 lb)
Start of mission
Launch date8 June 2007, 02:34:00 UTC
RocketDelta II 7420-10C (D324)
Launch siteVandenberg, SLC-2W
ContractorUnited Launch Alliance
Entered service2007
Orbital parameters
Reference systemGeocentric orbit[1]
RegimeSun-synchronous orbit
Perigee altitude628.7 km (390.7 mi)
Apogee altitude630.7 km (391.9 mi)
Inclination97.88°
Period97.16 minutes
 

Spacecraft description

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]

Launch

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-2W at Vandenberg Air Force Base, successfully injecting the satellite into low Earth orbit. Spacecraft separation occurred 58 minutes and 5 seconds after liftoff.[6]

Mission

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]

References

  1. "SKYMED 1". N2YO.com. Retrieved 12 October 2021.
  2. "COSMO-SkyMed". Agenzia Spaziale Italiana. Retrieved 1 October 2013.
  3. "PRISMA". Agenzia Spaziale Italiana. 12 October 2021. Retrieved 12 October 2021.
  4. Krebs, Gunter (3 October 2021). "Alenia Aerospace → Thales Alenia: PRIMA". Gunter's Space Page. Retrieved 12 October 2021.
  5. Krebs, Gunter (7 July 2020). "COSMO 1, 2, 3, 4". Gunter's Space Page. Retrieved 12 October 2021.
  6. Ray, Justin (8 June 2007). "Mission Status Center". Spaceflight Now. Retrieved 1 October 2013.


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