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USA-260

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USA-260
A Block IIF GPS satellite
Mission type Navigation
Operator US Air Force
COSPAR ID 2015-013A [1]
SATCAT no. 40534 [1]
Mission duration 12 years (planned)
Spacecraft properties
Spacecraft GPS SVN-71 (IIF-9)
Spacecraft type GPS Block IIF
Manufacturer Boeing
Launch mass 1,630 kilograms (3,590 lb) [2]
Start of mission
Launch date 25 March 2015, 18:36  ( 2015-03-25UTC18:36Z )  UTC
Rocket Delta IV-M+(4,2) , D371 [3]
Launch site Cape Canaveral   SLC-37B [3]
Contractor ULA
Orbital parameters
Reference system Geocentric
Regime Medium Earth
( Semi-synchronous )
Perigee altitude 20,445 km (12,704 mi) [4]
Apogee altitude 20,468 km (12,718 mi) [4]
Inclination 55.00 degrees [4]
Period 729.14 minutes [4]
Epoch 25 March 2015, 23:57:44 UTC
 

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. [2]

Launch [ edit ]

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. [3] The launch took place from Space Launch Complex 37B at the Cape Canaveral Air Force Station , [5] and placed USA-260 directly into medium Earth orbit . [4]

Orbit [ edit ]

On 25 March 2015, USA-260 was in an orbit with a perigee of 20,445 kilometers (12,704 mi), an apogee of 20,468 kilometers (12,718 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 (3,590 lb). [2] It is currently in service following commissioning on April 20, 2015. [6]

References [ edit ]

  1. ^ a b "Navstar 73" . US National Space Science Data Center . Retrieved 26 March 2015 .
  2. ^ a b c Krebs, Gunter. "GPS-2F (Navstar-2F)" . Gunter's Space Page . Retrieved 26 March 2015 .
  3. ^ a b c McDowell, Jonathan . "Launch Log" . Jonathan's Space Page . Retrieved 26 March 2015 .
  4. ^ a b c d e f McDowell, Jonathan. "Satellite Catalog" . Jonathan's Space Page . Retrieved 26 March 2015 .
  5. ^ McDowell, Jonathan. "Launch List" . Launch Vehicle Database . Jonathan's Space Page . Retrieved 26 March 2015 .
  6. ^ "NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2015028" . United States Coast Guard . Retrieved 31 October 2015 .