Inmarsat-5 F3
| Inmarsat-5 F3 | |
|---|---|
| Start date | August 28, 2015, 11:44 UTC |
| Launcher | Proton-M / Bris-M |
| Launch site | Baikonur |
| COSPAR-ID : | 2015-042A |
| Takeoff mass | 6,070 kg |
| Mass in orbit | 3750 kg |
| Dimensions | 6.98 x 3.59 x 3.27 m |
| Span in orbit | 33.8 m |
| Manufacturer | Boeing Satellite Systems |
| model | BSS-702HP |
| Satellite bus | Boeing 702 |
| lifespan | 15 years (planned) |
| Stabilization | Three-axis stabilization |
| operator | Inmarsat |
| Playback information | |
| Transponder | 89 Ka-band transponders |
| Others | |
| Electrical power | 13.8 kW (EOL) |
| Power storage | two lithium-ion battery sets |
| position | |
| First position | 179.7 ° West |
| drive | Abpogäumsmotor type R-4D-15 from Aerojet Rocketdyne with 445 Newtons of thrust |
| List of geostationary satellites | |
Inmarsat-5 F3 is a commercial communications satellite owned by Inmarsat, UK . The satellite is part of the company's Global Xpress (GX) system. It is the third in a series of four satellites (including a reserve satellite) with which Inmarsat aims to achieve worldwide coverage of the services offered.
He was on 28 August 2015, a Proton-M - carrier rocket from the Baikonur Cosmodrome in a geostationary brought orbit.
The three-axis stabilized satellite is equipped with 89 Ka-band transponders and is intended to supply the Pacific Ocean with telecommunications services from position / inclination 179.7 ° West. For each satellite, there are six additional footprints called High Capacity Payload (HCP) that can be controlled independently of one another and their alignment can be changed. Each of these footprints can be supplied by 130 watt traveling wave tubes in the communication payload. XIPS ion thrusters that work with xenon are used for attitude control . For attitude control and orbit maintenance, the satellite also has four axial chemical thrusters with a thrust of 22 Newtons and four radial thrusters with a thrust of 10 Newtons. The satellite was based on the satellite bus Boeing 702HP of Boeing built and has a design life of 15 years.
Web links
Individual evidence
- ↑ Ilslaunch: Mission Overview , accessed on August 30, 2015
- ↑ Spaceflight101: Inmarsat 5-F3 - Proton Launch Updates ( memento of the original from September 1, 2015 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. , accessed August 30, 2015
- ↑ NASASpaceFlight.com: ILS Proton M completes RTF mission with Inmarsat 5 F3 | NASASpaceFlight.com , accessed August 30, 2015
- ↑ raumfahrer.net: Inmarsat 5 F3 launched on Proton-M , accessed on August 30, 2015
