USA-180
US Air Force | |
| COSPAR ID | 2004-045A[1] |
|---|---|
| SATCAT no. | 28474[1] |
| Mission duration | 10 years (planned)[2] |
| Spacecraft properties | |
| Spacecraft type | GPS Block IIR[2] |
| Bus | AS-4000[2] |
| Manufacturer | Lockheed Martin[2] |
| Launch mass | 2,032 kilograms (4,480 lb)[2] |
| Start of mission | |
| Launch date | 6 November 2004, 05:39:00 UTC |
| Rocket | SLC-17B[3] |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Medium Earth (Semi-synchronous) |
| Perigee altitude | 19,936 kilometres (12,388 mi)[4] |
| Apogee altitude | 20,426 kilometres (12,692 mi)[4] |
| Inclination | 54.8 degrees[4] |
| Period | 717.94 minutes[4] |
USA-180, also known as GPS IIR-13 and GPS SVN-61, is an American
Block IIR GPS satellites to be launched, and the last in the original configuration. It was built by Lockheed Martin, using the AS-4000 satellite bus.[2]
USA-180 was launched at 05:39:00 UTC on 6 November 2004, atop a
apogee motor.[2]
By 5 January 2005, USA-180 was in an orbit with a
inclination to the equator.[4] It is used to broadcast the PRN 02 signal, and operates in slot 1 of plane D of the GPS constellation. The satellite has a mass of 2,032 kilograms (4,480 lb), and a design life of 10 years.[2]
As of 2019 it remains in service.
References
- ^ a b "Navstar 56". US National Space Science Data Center. Retrieved 11 July 2012.
- ^ a b c d e f g h Krebs, Gunter. "GPS-2R (Navstar-2R)". Gunter's Space Page. Retrieved 11 July 2012.
- ^ a b c McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 11 July 2012.
- ^ a b c d e 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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