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SES-4

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SES-4
Spacecraft properties
Names	NSS-14

Mission type	Communications
Operator	SES New Skies / SES S.A.
COSPAR ID	2012-007A
SATCAT no.	38087
Website	https://www.ses.com/
Mission duration	15 years (planned) 12 years, 4 months, 8 days (elapsed)


Spacecraft	NSS-14
Bus	SSL-1300
Manufacturer	Space Systems/Loral
Launch mass	6,180 kg (13,620 lb)
Power	20kW^[1]


Start of mission
Launch date	14 February 2012, 19:36:37 UTC^[2]
Rocket	Proton-M / Briz-M
Launch site	Baikonur, Site 200/39
Contractor	Khrunichev State Research and Production Space Center
Entered service	April 2012


Orbital parameters
Reference system	Geocentric orbit^[3]
Regime	Geostationary orbit
Longitude	22° West


Transponders
Band	124 transponders: 52C-band 72Ku-band
Bandwidth	36MHz
Coverage area	North America, South America, Europe, Middle East, West Africa

SES constellation ← SES-3 SES-5 →

SES-4 is a communications satellite operated by SES World Skies, then by SES S.A.

Spacecraft[edit]

SES-4 was built by Space Systems/Loral (SSL), and is based on the SSL-1300 satellite bus. It is equipped with 52 C-band, and 72 Ku-band transponders, and at launch it had a mass of 6,180 kg (13,620 lb). It has a design life of fifteen years.^[4]

Launch[edit]

It was launched on 14 February 2012, at 19:36:37 UTC on a Proton-M / Briz-M launch vehicle, the launch was arranged by International Launch Services (ILS), since Baikonour, Site 200/39.^[4]

Mission[edit]

It is positioned at 22° West orbital location over Atlantic Ocean, replacing NSS-7.^[4]

References[edit]

^ "Display: SES 4 2012-007A". NASA. 5 April 2021. Retrieved 12 April 2021. This article incorporates text from this source, which is in the public domain.

^ "Launch Log". Jonathan's Space Report. 14 March 2021. Retrieved 12 April 2021.

^ "SES 4". N2YO.com. Retrieved 12 April 2021.

^ ^a ^b ^c "SES 4". Gunter's Space Page. 11 December 2017. Retrieved 12 April 2021.

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 ← 2011 Orbital launches in 2012 2013 →
January	Ziyuan III-01, VesselSat-2 Fengyun 2-07 USA-233 Progress M-14M
February	Navid LARES, ALMASat-1, Xatcobeo, UniCubeSat-GG, ROBUSTA, e-st@r, Goliat, MaSat-1, PW-Sat SES-4 Compass-G5 MUOS-1
March	Edoardo Amaldi ATV Intelsat 22 Kosmos 2479 Apstar 7
April	USA-234 Kwangmyŏngsŏng-3 Progress M-15M YahSat-1B RISAT-1 Compass-M3, Compass-M4
May	USA-235 Tianhui 1B Yaogan 14, Tiantuo 1 Soyuz TMA-04M JCSAT-13, Vinasat-2 Kosmos 2480 Shizuku, Kompsat 3, SDS-4, Horyu 2 Nimiq 6 SpaceX COTS Demo Flight 2, New Frontier Fajr ChinaSat 2A Yaogan 15
June	Intelsat 19 NuSTAR Shenzhou 9 USA-236 / Quasar 18 USA-237 / Orion 8
July	EchoStar XVII, MSG-3 SES-5 Soyuz TMA-05M Kounotori 3 (Raiko, We-Wish, Niwaka, TechEdSat, F-1) Kanopus-V1, BelKA-2, Zond-PP, TET-1, exactView-1 Tianlian I-03 Gonets-M No.3, Gonets-M No.4, Kosmos 2481, MiR
August	Progress M-16M (Sfera-53) Intelsat 20, HYLAS 2 Telkom-3, Ekspress-MD2 Intelsat 21 RBSP-A, RBSP-B
September	SPOT 6, PROITERES, mRESINS USA-238, SMDC-ONE 1.1, SMDC-ONE 1.2, AeroCube 4, AeroCube 4A, AeroCube 4B, Aeneas, Re, CSSWE, CP5, CXBN, CINEMA 1 MetOp-B Compass-M5, Compass-M6 Astra 2F, GSAT-10 VRSS-1
October	USA-239 SpaceX CRS-1, Orbcomm-2 David, Sif Shijian 9-01, Shijian 9-02 Intelsat 23 Soyuz TMA-06M Compass G6 Progress M-17M
November	Luch 5B, Yamal-300K Eutelsat 21B, Star One C3 Meridian 6 Huanjing 1C EchoStar XVI Yaogan 16A, Yaogan 16B, Yaogan 16C ChinaSat 12
December	Pléiades-HR 1B Eutelsat 70B Yamal-402 USA-240 Kwangmyŏngsŏng-3 Unit 2 Göktürk-2 Soyuz TMA-07M Skynet 5D, Mexsat Bicentenario
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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