A Block IIA GPS satellite
|Operator||US Air Force|
|Mission duration||7.5 years (planned)|
|Spacecraft type||GPS Block IIA|
|Launch mass||1,816 kilograms (4,004 lb)|
|Start of mission|
|Launch date||16 July 1996, 00:50:00UTC|
|Rocket||Delta II 7925-9.5, D237|
|Launch site||Cape Canaveral LC-17A|
|Perigee||20,134 kilometres (12,511 mi)|
|Apogee||20,227 kilometres (12,568 mi)|
USA-126, also known as GPS IIA-17, GPS II-26 and GPS SVN-40, is an American navigation satellite which forms part of the Global Positioning System. It was the seventeenth of nineteen Block IIA GPS satellites to be launched.
USA-126 was launched at 00:50:00 UTC on 16 July 1996, atop a Delta II carrier rocket, flight number D237, flying in the 7925-9.5 configuration. The launch took place from Launch Complex 17A at the Cape Canaveral Air Force Station, and placed USA-126 into a transfer orbit. The satellite raised itself into medium Earth orbit using a Star-37XFP apogee motor.
On 15 August 1996, USA-126 was in an orbit with a perigee of 20,134 kilometres (12,511 mi), an apogee of 20,227 kilometres (12,568 mi), a period of 717.9 minutes, and 55 degrees of inclination to the equator. It broadcasts the PRN 10 signal, and operates in slot 3 of plane E of the GPS constellation. The satellite has a mass of 1,816 kilograms (4,004 lb). It had a design life of 7.5 years, however as of 2012 it remains in service.
- "Navstar 2A-17". US National Space Science Data Center. Retrieved 10 July 2012.
- Krebs, Gunter. "GPS-2A (Navstar-2A)". Gunter's Space Page. Retrieved 10 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.
- Wade, Mark. "Navstar". Encyclopedia Astronautica. Retrieved 10 July 2012.
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