USA-260

USA-260
	A Block IIF GPS satellite
Mission type	Navigation
Operator	US Air Force
COSPAR ID	2015-013A
SATCAT no.	40534
Mission duration	12 years (planned)
Spacecraft properties
Spacecraft	GPS SVN-71 (IIF-9)
Spacecraft type	GPS Block IIF
Manufacturer	Boeing
Launch mass	1,630 kilograms (3,590 lb)
Start of mission
Launch date	25 March 2015, 18:36 UTC
Rocket	Delta IV-M+(4,2), D371
Launch site	Cape Canaveral SLC-37B
Contractor	ULA
Orbital parameters
Reference system	Geocentric
Regime	Medium Earth; (Semi-synchronous)
Perigee altitude	20,445 km (12,704 mi)
Apogee altitude	20,468 km (12,718 mi)
Inclination	55.00 degrees
Period	729.14 minutes
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

^ ^a ^b "Navstar 73". US National Space Science Data Center. Retrieved 26 March 2015.
^ ^a ^b ^c Krebs, Gunter. "GPS-2F (Navstar-2F)". Gunter's Space Page. Retrieved 26 March 2015.
^ ^a ^b ^c McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 26 March 2015.
^ ^a ^b ^c ^d ^e ^f 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.

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[NSSDC-1] "Navstar 73". US National Space Science Data Center. Retrieved 26 March 2015.

[GSP-2] Krebs, Gunter. "GPS-2F (Navstar-2F)". Gunter's Space Page. Retrieved 26 March 2015.

[LL-3] McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 26 March 2015.

[satcat-4] ^ ^a ^b ^c ^d ^e ^f McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 26 March 2015.

[lvdb-5] McDowell, Jonathan. "Launch List". Launch Vehicle Database. Jonathan's Space Page. Retrieved 26 March 2015.

[6] "NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2015028". United States Coast Guard. Retrieved 31 October 2015.

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v t e 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 III	01 02 03 04 05 06 07 08 09 10
Block IIIF	01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22
Italics indicate future missions. Signs † indicate launch failures.

v t e ← 2014 Orbital launches in 2015 2016 →
January	SpaceX CRS-5 (Flock-1d' × 2, AESP-14) MUOS-3 SMAP, 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, Flock-1e × 14) Thor 7, SICRAL-2 TürkmenÄlem 52°E / MonacoSAT Progress M-27M
May	Mexsat-1 USA-261 / X-37 OTV-4, LightSail-1, USS Langley, BRICSat-P, ParkinsonSat, GEARRS-2, AeroCube 8A, 8B, OptiCube 1, 2, 3 DirecTV-15, SKY México-1
June	Kosmos 2505 / Kobalt-M №10 Sentinel-2A Kosmos 2506 / Persona №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 (Flock-2b × 14) Eutelsat 8 West B, Intelsat 34 Yaogan 27 GSAT-6 / INSAT-4E Inmarsat 5-F3
September	Soyuz TMA-18M MUOS-4 Galileo FOC-5, Galileo FOC-6 TJS-1 Gaofen 9 Ekspress AM8 Kosmos 2507 / Strela-3M 13, Kosmos 2508 / Strela-3M 14, Kosmos 2509 / Strela-3M 15 Pujiang-1 Astrosat, LAPAN-A2, Lemur-2 × 4 BeiDou I2-S NBN-Co 1A, ARSAT-2
October	Progress M-29M Mexsat-2 Jilin-1 Smart Verification Satellite, Jilin-1 Optical-A, Jilin-1 Video-01, Jilin-1 Video-02 USA-264 / NOSS Intruder × 2, AMSAT Fox-1 APStar-9 Türksat 4B 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, MinXSS 1, Nodes × 2) ChinaSat 1C Elektro-L No.2 Kosmos 2513 / Garpun-12L Soyuz TMA-19M TeLEOS-1 DAMPE Galileo FOC-8, Galileo FOC-9 Progress MS-01 Orbcomm-OG2 × 11 Ekspress-AMU1 Gaofen 4
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).