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SES-3

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SES-3
Spacecraft properties
Names	AMC ground spare OS-2

Mission type	Communications
Operator	SES Americom / SES S.A.
COSPAR ID	2011-035A
SATCAT no.	37748
Website	https://www.ses.com/
Mission duration	15 years (planned) 12 years, 11 months, 27 days (elapsed)


Spacecraft	AMC ground spare
Spacecraft type	GEOStar-2
Bus	Star-2.4
Manufacturer	Orbital Sciences Corporation
Launch mass	3,112 kg (6,861 lb)
Power	5kW


Start of mission
Launch date	15 July 2011, 23:16:10 UTC^[1]
Rocket	Proton-M / Briz-M
Launch site	Baikonur, Site 200/39
Contractor	Khrunichev State Research and Production Space Center
Entered service	September 2011


Orbital parameters
Reference system	Geocentric orbit^[2]
Regime	Geostationary orbit
Longitude	103° West


Transponders
Band	48transponders: 24C-band 24Ku-band
Bandwidth	36MHz
Coverage area	North America

SES constellation ← SES-2 SES-4 →

SES-3 is a communications satellite operated by SES World Skies, then by SES S.A.

Spacecraft

[edit]

SES-3 was built by Orbital Sciences Corporation (OSC), and is based on the Star-2.4 satellite bus. It is equipped with 24 C-band, and 24 Ku-band transponders, and at launch it had a mass of 3,112 kg (6,861 lb). It has a design life of fifteen years, however it was launched with enough fuel to operate for at least sixteen years, if its systems are still functional.^[3]

Launch

[edit]

It was launched on 15 July 2011 at 23:16:10 UTC on a Proton-M / Briz-M launch vehicle, the launch was arranged by International Launch Services (ILS), since Baikonour, Site 200/39 alongside the KazSat-2 satellite.

Mission

[edit]

It is positioned at 103.0° West orbital location over North America, replacing AMC-1. Clients include E. W. Scripps Company, In Demand, Pay-per-view, Ion Television, Mood Media, NBC and QVC.^[4]

References

[edit]

^ McDowell, Jonathan. "Launch Log". Jonathan's Space Report. Retrieved 30 October 2013.

^ "SES 3". N2YO.com. Retrieved 11 April 2021.

^ Krebs, Gunter (11 December 2017). "SES 1, 2, 3". Gunter's Space Page. Retrieved 11 April 2021.

^ "SES 3 at 103.0° W". LyngSat.

v t e Satellites operated by SES
SES fleet	Active: SES-1 2 3 4 5 6 7 8 9 10 11 (EchoStar 105) 12 14 15 16 (GovSat-1) 17
AMC fleet	Active: AMC-4 6 8 10 11 15 16 18 21 Backups: AMC-7 Retired: AMC-1 2 3 5 9 Failed launch: AMC-14
NSS fleet	Active: NSS-6 7 9 10 11 12 806 Retired: NSS-5 513 703 K Failed launch: NSS-8
Astra fleet	Active: Astra 1KR 1L 1M 1N 2E 2F 2G 3B 4A 5B Backups: Astra 1D 1F 1G 1H 2A 2B 2C 2D 3A To be activated: Astra 1P Retired: Astra 1A 1B 1C 1E 5A Sirius 3 Failed launch: Astra 1K Orbital positions: 5.0°E 19.2°E 23.5°E 28.2°E 31.5°E Subsidiary: SES Astra
Third parties	Active: Ciel-2 MonacoSAT QuetzSat 1 Yahsat 1A

v t e ← 2010 Orbital launches in 2011 2012 →
January	Elektro-L No.1 USA-224 Kounotori 2 Progress M-09M (Kedr)
February	Kosmos 2470 USA-225 Johannes Kepler ATV STS-133 (Leonardo) Kosmos 2471
March	Glory, Explorer-1 [Prime], KySat-1, Hermes USA-226 USA-227
April	Soyuz TMA-21 Compass-IGSO3 USA-229 Resourcesat-2, YouthSat, X-Sat Yahsat 1A, New Dawn Progress M-10M
May	Meridian 4 USA-230 STS-134 (AMS-02, ELC-3) Telstar 14R ST-2, GSAT-8 / INSAT-4G
June	Soyuz TMA-02M SAC-D Rasad 1 ChinaSat 10 Progress M-11M Kosmos 2472 USA-231
July	Shijian XI-03 STS-135 (Raffaello, PSSC-2) Tianlian I-02 Globalstar M083, Globalstar M088, Globalstar M091, Globalstar M085, Globalstar M081, Globalstar M089 GSAT-12 SES-3, KazSat-2 USA-232 Spektr-R Compass-IGSO4 Shijian XI-02
August	Juno Astra 1N, BSAT-3c/JCSAT-110R Paksat-1R Hai Yang 2A Sich 2, NigeriaSat-2, NigeriaSat-X, RASAT, EduSAT, AprizeSat-5, AprizeSat-6, BPA-2 Ekspress-AM4 Shijian XI-04 Progress M-12M
September	GRAIL-A , GRAIL-B Zhongxing-1A Kosmos 2473 Arabsat 5C, SES-2 IGS Optical 4 Atlantic Bird 7 TacSat-4 Tiangong-1 QuetzSat 1
October	Kosmos 2474 / GLONASS-M 742 Intelsat 18 Eutelsat 16A Megha-Tropiques, SRMSAT, VesselSat-1, Jugnu ViaSat-1 Galileo-IOV FM1 , Galileo-IOV FM2 NPP, AubieSat-1, DICE-1, DICE-2, M-Cubed, RAX-2 Progress M-13M Shenzhou 8
November	Kosmos 2475 , Kosmos 2476 , Kosmos 2477 Fobos-Grunt , Yinghuo-1 Yaogan 12 , Tian Xun-1 Soyuz TMA-22 Shiyan Weixing 4 , Chuang Xin 1C AsiaSat 7 Mars Science Laboratory (Curiosity) Kosmos 2478 Yaogan 13
December	Compass-IGSO5 Amos-5, Luch 5A IGS Radar 3 Pléiades-HR 1A, SSOT, ELISA 1, ELISA 2, ELISA 3, ELISA 4 NigComSat-1R Soyuz TMA-03M Ziyuan-1C Meridian 5 Globalstar M080, Globalstar M082, Globalstar M084, Globalstar M086, Globalstar M090, Globalstar M092
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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