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Usa-248

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Usa-248

USA-248
A Block IIF GPS satellite
Mission type Navigation
Operator US Air Force
COSPAR ID 2014-008A[1]
SATCAT № 39533[1]
Mission duration 15 years (planned)
Spacecraft properties
Spacecraft GPS SVN-64 (IIF-5)
Spacecraft type GPS Block IIF
Manufacturer Boeing
Launch mass 1,630 kilograms (3,590 lb)[2]
Start of mission
Launch date 21 February 2014, 01:59 (2014-02-21T01:59Z) UTC
Rocket Delta IV-M+(4,2), D365[3]
Launch site Cape Canaveral SLC-37B[3]
Contractor ULA
Orbital parameters
Reference system Geocentric
Regime Medium Earth
(Semi-synchronous)
Perigee 20,175 km (12,536 mi)[4]
Apogee 20,191 km (12,546 mi)[4]
Inclination 54.96 degrees[4]
Period 717.99 minutes[4]
Epoch 22 April 2014

USA-248, also known as GPS IIF-5, GPS SVN-64 and NAVSTAR 69, is an American navigation satellite which forms part of the Global Positioning System. It was the fifth of twelve Block IIF satellites to be launched.[2]

Launch

Built by Boeing and launched by United Launch Alliance, USA-248 was launched at 01:59 UTC on 21 February 2014, atop a Delta IV carrier rocket, flight number D365, 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-248 directly into medium Earth orbit.[4]

Orbit

As of 22 April 2014, USA-248 was in an orbit with a perigee of 20,175 kilometers (12,536 mi), an apogee of 20,191 kilometers (12,546 mi), a period of 717.99 minutes, and 54.96 degrees of inclination to the equator.[4] It is used to broadcast the PRN 30 signal, and operates in slot 6 of plane A 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 May 30, 2014.[6]

References

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  3. ^ a b c
  4. ^ a b c d e f
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