USA-199
US Air Force | |
| COSPAR ID | 2007-062A[1] |
|---|---|
| SATCAT no. | 32384[1] |
| Mission duration | 10 years (planned) |
| Spacecraft properties | |
| Spacecraft type | GPS Block IIRM[2] |
| Bus | AS-4000[2] |
| Manufacturer | Lockheed Martin[2] |
| Launch mass | 2,032 kilograms (4,480 lb)[2] |
| Start of mission | |
| Launch date | 20 December 2007, 20:04:00 UTC |
| Rocket | SLC-17A[3] |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Medium Earth (Semi-synchronous) |
| Perigee altitude | 20,082 kilometers (12,478 mi)[4] |
| Apogee altitude | 20,283 kilometers (12,603 mi)[4] |
| Inclination | 54.9 degrees[4] |
| Period | 717.98 minutes[4] |
USA-199, also known as GPS IIR-18(M), GPS IIRM-5 and GPS SVN-57, is an American
USA-199 was launched at 20:04:00 UTC on 20 December 2007, atop a
apogee motor.[2]
By 15 February 2008, USA-199 was in an orbit with a
inclination to the equator.[4] It is used to broadcast the PRN 29 signal, and operates in slot 1 of plane C of the GPS constellation. The satellite has a design life of 10 years and a mass of 2,032 kilograms (4,480 lb).[2]
As of 2012 it remains in service.
References
- ^ a b "GPS 2R-18". US National Space Science Data Center. Retrieved 11 July 2012.
- ^ a b c d e f g Krebs, Gunter. "GPS-2RM (Navstar-2RM)". 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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