A Block IIRM GPS satellite
|Operator||US Air Force|
|Mission duration||10 years (planned)|
|Spacecraft type||GPS Block IIRM|
|Launch mass||2,032 kilograms (4,480 lb)|
|Start of mission|
|Launch date||25 September 2006, 18:50UTC|
|Rocket||Delta II 7925-9.5, D318|
|Launch site||Cape Canaveral SLC-17A|
|Perigee altitude||20,018 kilometres (12,439 mi)|
|Apogee altitude||20,343 kilometres (12,641 mi)|
USA-190, also known as GPS IIR-15(M), GPS IIRM-2 and GPS SVN-52, is an American navigation satellite which forms part of the Global Positioning System. It was the second of eight Block IIRM satellites to be launched, and the fifteenth of twenty one Block IIR satellites overall. It was built by Lockheed Martin, using the AS-4000 satellite bus.
USA-190 was launched at 18:50 UTC on 25 September 2006, atop a Delta II carrier rocket, flight number D318, flying in the 7925-9.5 configuration. The launch took place from Space Launch Complex 17A at the Cape Canaveral Air Force Station, and placed USA-190 into a transfer orbit. The satellite raised itself into medium Earth orbit using a Star-37FM apogee motor.
By 25 November 2006, USA-190 was in an orbit with a perigee of 20,018 kilometres (12,439 mi), an apogee of 20,343 kilometres (12,641 mi), a period of 717.9 minutes, and 55 degrees of inclination to the equator. It is used to broadcast the PRN 31 signal, and operates in slot 2 of plane A of the GPS constellation. The satellite has a mass of 2,032 kilograms (4,480 lb), and a design life of 10 years. As of 2012 it remains in service.
- "GPS 2R-15". US National Space Science Data Center. Retrieved 11 July 2012.
- Krebs, Gunter. "GPS-2RM (Navstar-2RM)". Gunter's Space Page. Retrieved 11 July 2012.
- McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 11 July 2012.
- McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 11 July 2012.
- McDowell, Jonathan. "Launch List". Launch Vehicle Database. Jonathan's Space Page. Retrieved 11 July 2012.
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