 A Block IIRM GPS satellite | |
| Mission type | Navigation |
|---|---|
| Operator | US Air Force |
| COSPAR ID | 2007-047A |
| SATCAT no. | 32260 |
| Mission duration | 10 years (planned) |
| Spacecraft properties | |
| Spacecraft type | GPS Block IIRM |
| Bus | AS-4000 |
| Manufacturer | Lockheed Martin |
| Launch mass | 2,032 kilograms (4,480 lb) |
| Start of mission | |
| Launch date | 17 October 2007, 12:23:00 (2007-10-17UTC12:23Z) UTC |
| Rocket | Delta II 7925-9.5, D328 |
| Launch site | Cape Canaveral SLC-17A |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Medium Earth (Semi-synchronous) |
| Perigee altitude | 20,149 kilometers (12,520 mi) |
| Apogee altitude | 20,214 kilometers (12,560 mi) |
| Inclination | 54.8 degrees |
| Period | 717.94 minutes |
USA-196, also known as GPS IIR-17(M), GPS IIRM-4 and GPS SVN-55, is an American navigation satellite which forms part of the Global Positioning System. It was the fourth of eight Block IIRM satellites to be launched, and the seventeenth of twenty one Block IIR satellites overall. It was built by Lockheed Martin, using the AS-4000 satellite bus.
USA-196 was launched at 12:23:00 UTC on 17 October 2007, atop a Delta II carrier rocket, flight number D328, 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-196 into a transfer orbit. The satellite raised itself into medium Earth orbit using a Star-37FM apogee motor.
By 27 October 2007, USA-196 was in an orbit with a perigee of 20,149 kilometers (12,520 mi), an apogee of 20,214 kilometers (12,560 mi), a period of 717.94 minutes, and 54.8 degrees of inclination to the equator. It is used to broadcast the PRN 15 signal, and operates in slot 2 of plane F of the GPS constellation. The satellite has a design life of 10 years and a mass of 2,032 kilograms (4,480 lb). As of 2015 it remains in service.
References
- ^ "GPS 2R-17". 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. Archived from the original on 15 August 2020. Retrieved 11 July 2012.
| NAVSTAR Global Positioning System satellites | |
|---|---|
| List of GPS satellites | |
| Block I | |
| Block II | |
| Block IIA | |
| Block IIR | |
| Block IIRM | |
| Block IIF | |
| Block III | |
| Block IIIF | |
| Italics indicate future missions. Signs † indicate launch failures. | |
| ← 2006Orbital launches in 20072008 → | |
|---|---|
| January | |
| February | |
| March | |
| April | |
| May | |
| June | |
| July | |
| August | |
| September | |
| October | |
| November | |
| December | |
| Launches are separated by dots ( • ), payloads by commas ( , ), multiple names for the same satellite by slashes ( / ). Crewed flights are underlined. Launch failures are marked with the † sign. Payloads deployed from other spacecraft are (enclosed in parentheses). | |
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