Eutelsat 172B is a French communications satellite built by Airbus Defence and Space and operated by Eutelsat Communications. Launched on June 1, 2017, it has an expected service life of 15 years. Its orbit along with Eutelsat 172A allows it to cover the Asia-Pacific region, providing enhanced broadband and broadcast services.
| Mission type | Communications |
|---|---|
| Operator | Eutelsat |
| COSPAR ID | 2017-029B[1] |
| SATCAT no. | 42741[1] |
| Website | Eutelsat 172B |
| Mission duration | 15 years (planned) 5 years and 17 days (elapsed)[2] |
| Spacecraft properties | |
| Bus | Eurostar-3000 EOR |
| Manufacturer | Airbus Defence and Space |
| Launch mass | 3,551 kg (7,829 lb) |
| Power | 13kW[3] |
| Start of mission | |
| Launch date | June 1, 2017 (2017-06-01) |
| Rocket | Ariane 5 ECA |
| Launch site | Guiana Space Centre |
| Contractor | Arianespace |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Geostationary |
| Longitude | 172° E |
| Transponders | |
| Band | 14 C band transponders 36 Ku band transponders Ku band[2] |
| Coverage area | Asia-Pacific |
Eutelsat | |
Eutelsat 172B's satellite bus is the Eurostar E3000. It has a launch mass of 3,551 kg (7,829 lb) and has two deployable solar panels.[2][3][4] The satellite also uses the Fakel SPT140D electric propulsion thrusters for initial orbit raising and later orbit station-keeping. It took four months to go to desired altitude, however, it consumed six times less propellant than if using chemical propellant.[3][4][5] The satellite has fourteen C band, thirty-six regular Ku band transponders, and a high-throughput Ku band.[2][6]
Eutelsat 172B launched from Guiana Space Centre on June 1, 2017, at 23:45 UTC, on board an Ariane 5 ECA rocket along with ViaSat-2.[7] After launch, Eutelsat 172B used its propulsion system to raise itself into a geostationary orbit over a period of four months. It was placed at a longitude of 172° E, hence its name. Its longitude allows it to serve users in the Asia-Pacific region.[1][3][4]
Eutelsat satellites | |||||||||||||||||||||
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← 2016 · Orbital launches in 2017 · 2018 → | |
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| January | TJS-2 – Lingqiao / Jilin-1 03 · Caton-1 · Xingyun Shiyan 1 – Iridium NEXT 1–10 – TRICOM-1 – USA-273 / SBIRS GEO-3 – DSN-2 – Hispasat AG1 |
| February | Intelsat 32e / SkyBrasil1 · Telkom-3S – Cartosat-2D · INS-1A, 1B · Flock-3p × 88 · Lemur-2 × 8 · Al Farabi-1 · BGUSAT · DIDO-2 · Nayif 1 · PEASS – Dragon CRS-10 – Progress MS-05 |
| March | USA-274 / NROL-79 / Intruder 8 – Tiankun-1 – Sentinel-2B – EchoStar 23 – IGS-Radar 5 – USA-275 / WGS-9 – SES-10 |
| April | Shijian 13 – Cygnus CRS OA-7 · (ALTAIR · CXBN-2 · IceCube · SG-Sat · SHARC) – Soyuz MS-04 – Tianzhou 1 · SilkRoad-1 |
| May | USA-276 / NROL-76 – Koreasat 7 · SGDC-1 – GSAT 9 / South Asia Satellite – Inmarsat-5 F4 – SES-15 – "It's a Test" – EKS-2 |
| June | QZS-2 – ViaSat-2 · Eutelsat 172B – Dragon CRS-11 · NICER · Birds-1 (TOKI · GhanaSat-1 · Mazaalai · BRAC Onnesha · Nigeria EduSat-1) – GSAT-19 – EchoStar 21 – Progress MS-06 – HXMT / Insight · Zhuhai-1 01, 02 · ÑuSat 3 – ChinaSat 9A – Cartosat-2E · Aalto-1 · ROBUSTA-1B · Max Valier Sat – Nivelir-ZU (14F150) – BulgariaSat-1 – Iridium NEXT-2 – EuropaSat/Hellas Sat 3 · GSAT-17 |
| July | Shijian-18 – Intelsat 35e – Kanopus-V-IK · CICERO × 3 · Corvus-BC × 2 · Ecuador-UTE-YuZGU · Flock-2k × 48 · Flying Laptop · Iskra-MAI-85 · Lemur-2 × 8 · MKA-N × 2 · Mayak · NORSAT-1, -2 · NanoACE · TechnoSat · WNISAT-1R – Soyuz MS-05 |
| August | OPTSAT-3000 · VENµS – Dragon CRS-12 · ASTERIA – Blagovest 11L – TDRS-M – Michibiki 3 – Formosat-5 – ORS-5 – IRNSS-1H |
| September | USA-277 / OTV-5 – Amazonas 5 – Soyuz MS-06 – Kosmos 2522 / GLONASS-M 752 – USA-278 / NROL-42 – AsiaSat 9 – Yaogan-30-01 × 3 – Intelsat 37e · BSAT-4a |
| October | VRSS-2 – Iridium NEXT 21–30 – QZS-4 – SES-11 / EchoStar 105 – Sentinel-5 Precursor – Progress MS-07 – USA-279 / NROL-52 / Quasar 21 – Koreasat 5A – SkySat × 6 · Flock-3m × 4 |
| November | BeiDou-3 M1 · M2 – Mohammed VI-A – Cygnus CRS OA-8E · Asgardia-1 – Fengyun-3D · HEAD-1 – NOAA-20 – Jilin-1 × 3 – Yaogan-30-02 × 3 – Meteor-M No.2-1 |
| December | Kosmos 2524 – LKW-1 – Alcomsat-1 – Galileo FOC 15-18 – Dragon CRS-13 – Soyuz MS-07 – GCOM-C · SLATS – Iridium NEXT 31–40 – Yaogan-30-03 × 3 – AngoSat 1 |
Launches are separated by dashes ( – ), payloads by dots ( · ), multiple names for the same satellite by slashes ( / ). CubeSats are smaller. Crewed flights are underlined. Launch failures are in italics. Payloads deployed from other spacecraft are (enclosed in brackets). | |