| 词条 | COSMO-1 |
| 释义 |
| name = COSMO-1 | image = | image_caption = | mission_type = Radar imaging | operator = ASI/MDD | COSPAR_ID = 2007-023A | SATCAT = 31598 | mission_duration = | spacecraft_bus = Thales Alenia Space | manufacturer = Prima | launch_mass = {{convert|1900|kg|lb}} | power = | launch_date = {{start-date|8 June 2007, 02:34:00|timezone=yes}} UTC | launch_rocket = Delta II 7420-10C D324 | launch_site = Vandenberg SLC-2W | launch_contractor = United Launch Alliance | entered_service = | disposal_type = | deactivated = | last_contact = | decay_date = | orbit_epoch = 25 January 2015, 04:25:20 UTC[1] | orbit_reference = Geocentric | orbit_regime = Sun-synchronous | orbit_periapsis = {{convert|628|km|mi}}[1] | orbit_apoapsis = {{convert|630|km|mi}}[1] | orbit_inclination = 97.88 degrees[1] | orbit_semimajor = {{convert|7000.53|km|mi}}[1] | orbit_eccentricity = 0.0001316[1] | orbit_period = 97.16 minutes[1] | apsis = gee }}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 Agenzia Spaziale Italiana, the Italian space agency, 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 bus. It was the first Prima-based spacecraft to be launched.[3] Designed for a five-year mission,[4] the satellite remains operational {{as of|2013}}. 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 rocket in the 7420-10C configuration, flight number Delta 324, lifted off from Space Launch Complex 2W at Vandenberg Air Force Base, successfully injecting the satellite into low Earth orbit. Spacecraft separation occurred 58 minutes and 5 seconds after liftoff.[5] The satellite operates in a sun-synchronous low Earth orbit. As of {{Orbit|Epoch|25 January 2015}} it was located in an orbit with a perigee of {{convert|{{Orbit|perigee|628}}|km|mi}}, an apogee of {{convert|{{Orbit|apogee|630}}|km|mi}}, inclined at {{Orbit|inclination|97.88}} degrees to the equator. It has an orbital period of {{Orbit|period|97.16}} minutes, with right ascension of the ascending node of {{Orbit|RAAN|211.26}} degrees and an argument of perigee of {{Orbit|arg of perigee|84.67}} degrees.{{Orbit|ref|[1]}} References1. ^1 2 3 4 5 6 7 {{cite web|url=http://www.n2yo.com/satellite/?s=31598|title=SKYMED 1 Satellite details 2007-023A NORAD 31598|publisher=N2YO|date=25 January 2015|accessdate=25 January 2015}} {{Portal|Spaceflight}}{{Orbital launches in 2007}}{{Italy-spacecraft-stub}}2. ^{{cite web|url=http://www.asi.it/en/activity/earth_observation/cosmoskymed|title=COSMO-SkyMed|publisher=Agenzia Spaziale Italiana|accessdate=1 October 2013}} 3. ^{{cite web|url=http://space.skyrocket.de/doc_sat/alenia_prima.htm|title=Alenia Aerospace → Thales Alenia: Prima|first=Gunter|last=Krebs|work=Gunter's Space Page|accessdate=1 October 2013}} 4. ^{{cite web|url=http://space.skyrocket.de/doc_sdat/cosmo-skymed-1.htm|title=COSMO 1, 2, 3, 4|first=Gunter|last=Krebs|work=Gunter's Space Page|accessdate=1 October 2013}} 5. ^{{cite web|url=http://spaceflightnow.com/delta/d324/status.html|title=Delta Mission Report - Mission Status Center|first=Justin|last=Ray|publisher=Spaceflight Now|date=8 June 2007|accessdate=1 October 2013}} 3 : Satellites of Italy|Spacecraft launched in 2007|Space synthetic aperture radar |
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