USA-265
American navigation satellite used for GPS
 A Block IIF GPS satellite | |
| Mission type | Navigation |
|---|---|
| Operator | US Air Force |
| COSPAR ID | 2015-062A[1] |
| SATCAT no. | 41019[1] |
| Mission duration | 12 years (planned) |
| Spacecraft properties | |
| Spacecraft | GPS SVN-73 (IIF-11) |
| Spacecraft type | GPS Block IIF |
| Manufacturer | Boeing |
| Launch mass | 1,630 kilograms (3,590 lb)[2] |
| Start of mission | |
| Launch date | 31 October 2015, 16:13 (2015-10-31UTC16:13Z) UTC |
| Rocket | Atlas V 401, AV-060[3] |
| Launch site | Cape Canaveral SLC-41[3] |
| Contractor | ULA |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Medium Earth (Semi-synchronous) |
| Perigee altitude | 20,444 km (12,703 mi)[4] |
| Apogee altitude | 20,491 km (12,733 mi)[4] |
| Inclination | 54.99 degrees[4] |
| Period | 729.58 minutes[4] |
| Epoch | 5 December 2015, 17:24:23 UTC |
USA-265, also known as GPS IIF-11, GPS SVN-73 and NAVSTAR 75, is an American navigation satellite which forms part of the Global Positioning System. It was the eleventh of twelve Block IIF satellites to be launched.[2]
Launch
Built by Boeing and launched by United Launch Alliance, USA-265 was launched at 16:13 UTC on 31 October 2015, atop an Atlas V 401 carrier rocket, vehicle number AV-060.[3] The launch took place from Space Launch Complex 41 at the Cape Canaveral Air Force Station,[5] and placed USA-265 directly into semi-synchronous orbit.[4]
Orbit
As of 5 December 2015, USA-265 was in an orbit with a perigee of 20,444 kilometers (12,703 mi), an apogee of 20,491 kilometers (12,733 mi), a period of 729.58 minutes, and 54.99 degrees of inclination to the equator.[4] It is used to broadcast the PRN 10 signal, and operates in slot 6 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). [2] It is currently in service following commissioning on December 9, 2015.[6]
References
Spaceflight portal
- ^ a b "Navstar 75". US National Space Science Data Center. Retrieved 10 December 2015.
- ^ a b c Krebs, Gunter. "GPS-2F (Navstar-2F)". Gunter's Space Page. Retrieved 10 December 2015.
- ^ a b c McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 10 December 2015.
- ^ a b c d e f McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 10 December 2015.
- ^ McDowell, Jonathan. "Launch List". Launch Vehicle Database. Jonathan's Space Page. Retrieved 10 December 2015.
- ^ "NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2015093". United States Coast Guard. Retrieved 10 December 2015.
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NAVSTAR Global Positioning System satellites
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Italics indicate future missions. Signs † indicate launch failures.
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