USA-258
A Block IIF GPS satellite
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| Mission type | Navigation |
|---|---|
| Operator | US Air Force |
| COSPAR ID | 2014-068A |
| SATCAT no. | 40294 |
| Mission duration | 12 years (planned) |
| Spacecraft properties | |
| Spacecraft | GPS SVN-69 (IIF-8) |
| Spacecraft type | GPS Block IIF |
| Manufacturer | Boeing |
| Launch mass | 1,630 kilograms (3,590 lb) |
| Start of mission | |
| Launch date | 29 October 2014, 17:21 UTC |
| Rocket | Atlas V 401, AV-050 |
| Launch site | Cape Canaveral SLC-41 |
| Contractor | ULA |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime |
Medium Earth (Semi-synchronous) |
| Perigee | 20,455 km (12,710 mi) |
| Apogee | 20,480 km (12,730 mi) |
| Inclination | 55.00 degrees |
| Period | 729.56 minutes |
| Epoch | 29 October 2014 |
USA-258, also known as GPS IIF-8, GPS SVN-69 and NAVSTAR 72, is an American navigation satellite which forms part of the Global Positioning System. It was the eighth of twelve Block IIF satellites to be launched.
Built by Boeing and launched by United Launch Alliance, USA-258 was launched at 17:21 UTC on 29 October 2014, atop a Atlas V 401 carrier rocket, vehicle number AV-050. The launch took place from Space Launch Complex 41 at the Cape Canaveral Air Force Station, and placed USA-258 directly into medium Earth orbit.
As of 29 October 2014, USA-258 was in an orbit with a perigee of 20,455 kilometers (12,710 mi), an apogee of 20,480 kilometers (12,730 mi), a period of 729.56 minutes, and 55.00 degrees of inclination to the equator. It is used to broadcast the PRN 03 signal, and operates in slot 1 of plane E of the GPS constellation. The satellite has a design life of 15 years and a mass of 1,630 kilograms (3,590 lb). It is currently in service following commissioning on December 12, 2014.
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