USA-260

USA-260
Spacecraft properties
A Block IIF GPS satellite

Mission type	Navigation
Operator	US Air Force
COSPAR ID	2015-013A^[1]
SATCAT №	40534^[1]
Mission duration	12 years (planned)

Spacecraft	GPS SVN-71 (IIF-9)
Spacecraft type	GPS Block IIF
Manufacturer	Boeing
Launch mass	1,630 kilograms (3,590 lb)^[2]

Start of mission
Launch date	25 March 2015, 18:36 (2015-03-25UTC18:36Z) UTC
Rocket	Delta IV-M+(4,2), D371^[3]
Launch site	Cape Canaveral SLC-37B^[3]
Contractor	ULA

Orbital parameters
Reference system	Geocentric
Regime	Medium Earth (Semi-synchronous)
Perigee	20,445 km (12,704 mi)^[4]
Apogee	20,468 km (12,718 mi)^[4]
Inclination	55.00 degrees^[4]
Period	729.14 minutes^[4]
Epoch	25 March 2015, 23:57:44 UTC

USA-260, also known as GPS IIF-9, GPS SVN-71 and NAVSTAR 73, is an American Satellite navigation which forms part of the Global Positioning System. It was the ninth of twelve Block IIF satellites to be launched.^[2]

Launch

Built by Boeing and launched by United Launch Alliance, USA-260 was launched at 18:36 UTC on 25 March 2015, atop a Delta IV carrier rocket, flight number D370, flying in the Medium+(4,2) configuration.^[3] The launch took place from Space Launch Complex 37B at the Cape Canaveral Air Force Station,^[5] and placed USA-260 directly into medium Earth orbit.^[4]

Orbit

On 25 March 2015, USA-260 was in an orbit with a perigee of 20,445 kilometers (12,704 mi), an apogee of 20,468 kilometers (12,718 mi), a period of 729.14 minutes, and 55.00 degrees of inclination to the equator.^[4] It is used to broadcast the PRN 26 signal, and operates in slot 5 of plane B 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 April 20, 2015.^[6]

References

1 2 "Navstar 73". US National Space Science Data Center. Retrieved 26 March 2015.
1 2 3 Krebs, Gunter. "GPS-2F (Navstar-2F)". Gunter's Space Page. Retrieved 26 March 2015.
1 2 3 McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 26 March 2015.
1 2 3 4 5 6 McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 26 March 2015.
↑ McDowell, Jonathan. "Launch List". Launch Vehicle Database. Jonathan's Space Page. Retrieved 26 March 2015.
↑ "NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2015028". United States Coast Guard. Retrieved 31 October 2015.

NAVSTAR Global Positioning System satellites

List of GPS satellites

Block I	1 2 3 4 5 6 7† 8 9 10 11

Block II	1 2 3 4 5 6 7 8 9

Block IIA	1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

Block IIR	1† 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

Block IIRM	1 2 3 4 5 6 7 8

Block IIF	1 2 3 4 5 6 7 8 9 10 11 12

Block IIIA	1 2 3 4 5 6 7 8

Italics indicate future missions. Signs † indicate launch failures.

← 2014 · Orbital launches in 2015 · 2016 →

January	SpaceX CRS-5 (Flock-1d' × 2 · AESP-14) – MUOS-3 – SMAP · FIREBIRD II A, B · GRIFEX · ExoCube

February	IGS-Radar Spare – Inmarsat 5-F2 – Fajr – DSCOVR – Progress M-26M – Kosmos 2503 / Bars-M No. 1

March	ABS-3A · Eutelsat 115 West B – WADIS-2 – MMS – Ekspress AM7 – USA-260 / GPS IIF -9 – KOMPSat-3A – IGS-Optical 5 – Soyuz TMA-16M – Galileo FOC-3, FOC-4 – IRNSS-1D – BeiDou I1-S – Gonets-M 11, 12, 13 · Kosmos 2504

April	SpaceX CRS-6 (Arkyd-3R · AggieSat 4 · Bevo 2 · Flock-1e × 14) – Thor 7 · SICRAL-2 – TurkmenAlem52E/MonacoSAT – Progress M-27M

May	Mexsat-1 – USA-261 / X-37 OTV-4 · LightSail-A · USS Langley · BRICSat-P · ParkinsonSat · GEARRS-2 · AeroCube 8A, 8B · OptiCube 1, 2, 3 – DirecTV-15 · SKY México-1

June	Kosmos 2505 / Kobalt-M – Sentinel-2A – Kosmos 2506 / Persona No.3 – Gaofen 8 – SpaceX CRS-7 (Flock-1f × 8)

July	Progress M-28M – UK-DMC 3 × 3 · CBNT-1 · DeOrbitSail – USA-262 / GPS IIF -10 – Star One C4 · MSG-4 – Soyuz TMA-17M – USA-263 / WGS-7 – BeiDou M1-S, M2-S

August	HTV-5 / Kounotori 5 (SERPENS · S-CUBE · Flock-2b × 14 · AAUSAT 5 · GOMX 3) – Eutelsat 8 West B · Intelsat 34 – Yaogan 27 – GSAT-6 – Inmarsat 5-F3

September	Soyuz TMA-18M – MUOS-4 – Galileo FOC-5, FOC-6 – TJSSW-1 – Gaofen 9 – Ekspress AM8 – XY-2 · Tiantuo-3 · ZDPS 2A, 2B · Xiwang-2 × 6 · DCBB · LilacSat-2 · NUDT-Phone-Sat · Xingchen × 4 · NS-2 · Zijing × 2 – Kosmos 2507, 2508, 2509 / Strela-3M × 3 – Pujian-1 · Tianwang 1A, 1B, 1C – Astrosat · LAPAN-A2 · ExactView 9 · Lemur-2 × 4 – BeiDou I2-S – NBN-Co 1A · ARSAT-2

October	Progress M-29M – Mexsat-2 – Jilin-1 × 4 – USA-264 / NOSS Intruder × 2 / NROL-55 · AeroCube-5c, 7 · SNaP-3 × 3 · PropCube × 2 · SINOD-D × 2 · ARC-1 · BisonSat · AMSAT Fox-1 · LMRST-Sat – APStar-9 – Türksat 4B – Tianhui 1C – USA-265 / GPS IIF -11

November	Chinasat 2C – HiakaSat · EDSN × 8 · PrintSat · Argus · STACEM · Supernova-Beta – Yaogan 28 – Arabsat 6B · GSAT-15 – Kosmos 2510 / EKS-1 / Tundra-11L – LaoSat-1 – Telstar 12V – Yaogan 29

December	LISA Pathfinder – Kosmos 2511 / Kanopus-ST · Kosmos 2512 / KYuA-1 – Cygnus CRS OA-4 (Flock-2e × 12 · CADRE · MinXSS 1 · Nodes × 2 · STMSat 1 · SIMPL) – ChinaSat 1C – Elektro-L No.2 – Kosmos 2513 / Garpun-12L – Soyuz TMA-19M – TeLEOS-1 · VELOX-C1 · Kent Ridge 1 · VELOX 2 · Galassia · Athenoxat-1 – DAMPE – Galileo FOC-8, FOC-9 – Progress MS-01 – Orbcomm-2 × 11 – Ekspress-AMU1 – Gaofen 4

Launches are separated by dashes ( – ), payloads by dots ( · ), multiple names for the same satellite by slashes ( / ). Cubesats are smaller. Manned flights are bolded. Launch failures are in italics. Payloads deployed from other spacecraft are (enclosed in brackets).

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