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Template:Infobox spaceflight

USA-260, also known as GPS IIF-9, GPS SVN-71 and NAVSTAR 73, is an American Satellite navigation which forms part of the Global Positioning System. It was the ninth of twelve Block IIF satellites to be launched.[1]

LaunchEdit

Built by Boeing and launched by United Launch Alliance, USA-260 was launched at 18:36 UTC on 25 March 2015, atop a Delta IV carrier rocket, flight number D370, flying in the Medium+(4,2) configuration.[2] The launch took place from Space Launch Complex 37B at the Cape Canaveral Air Force Station,[3] and placed USA-260 directly into medium Earth orbit.[4]

OrbitEdit

On 25 March 2015, USA-260 was in an orbit with a perigee of 20,445 kilometers (Template:Convert/round mi), an apogee of 20,468 kilometers (Template:Convert/round mi), a period of 729.14 minutes, and 55.00 degrees of inclination to the equator.[4] It is used to broadcast the PRN 26 signal, and operates in slot 5 of plane B of the GPS constellation. The satellite has a design life of 15 years and a mass of 1,630 kilograms (Template:Convert/round lb). [1] It is currently in service following commissioning on April 20, 2015.[5]

ReferencesEdit

  1. 1.0 1.1 Krebs, Gunter. "GPS-2F (Navstar-2F)". Gunter's Space Page. http://space.skyrocket.de/doc_sdat/navstar-2f.htm. Retrieved 26 March 2015. 
  2. McDowell, Jonathan. "Launch Log". Jonathan's Space Page. http://planet4589.org/space/log/launchlog.txt. Retrieved 26 March 2015. 
  3. McDowell, Jonathan. "Launch List". Launch Vehicle Database. Jonathan's Space Page. http://planet4589.org/space/lvdb/list2.html. Retrieved 26 March 2015. 
  4. 4.0 4.1 McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. http://planet4589.org/space/log/satcat.txt. Retrieved 26 March 2015. 
  5. "NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2015028". United States Coast Guard. http://www.navcen.uscg.gov/?Do=gpsShowNanu&num=2015028. Retrieved 31 October 2015. 
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