Intelsat 21
| Intelsat 21 | |
|---|---|
| Start date | August 19, 2012, 06:55 UTC |
| Launcher | Zenit-3SL |
| Launch site | Odyssey launch platform |
| COSPAR-ID : | 2012-045A |
| Takeoff mass | 5,984 kg |
| Dimensions | 6.9 m × 3.3 m × 3.2 m (width with antennas 9.25 m) |
| Span in orbit | 36.85 m |
| Manufacturer | Boeing Satellite Systems |
| model | BSS-702MP |
| Satellite bus | Boeing 702 |
| lifespan | 15 years (planned) |
| Stabilization | Three-axis |
| operator | Intelsat |
| Playback information | |
| Transponder | 24 C-band and 36 Ku-band |
| Transponder performance | 32:24 TWTAs, 70W RF (C-Band) 24:18 TWTAs, 150W RF (Ku-Band) 2x12: 9 SSPA (UHF) |
| Bandwidth | 24 × 36 MHz (C-band) 36, 27 and 54 MHz (Ku-band) |
| EIRP | > 31.3 dBW (C-band) > 43.4 dBW (Ku-band) |
| Others | |
| Electrical power | 11.8 kW (EOL) |
| Power storage | Lithium-ion batteries with 236 AHr |
| position | |
| First position | 302 ° East |
| drive | 1 × 445 N kick stage 4 × 22 N (axial) 8 × 4 N (north / south) |
| List of geostationary satellites | |
Intelsat 21 is a commercial communications satellite owned by the satellite operator Intelsat .
It was brought into geostationary orbit by the company Sea Launch on August 19, 2012 with a Zenit-3 launcher from the “Odyssey” platform in the Pacific . It was supposed to replace Intelsat 9 there .
The three-axis stabilized satellite with 24 C-band - and 36 Ku-band - transponders equipped with four 2.25-m antennas and to 302 degrees East of the position of Latin America and the Caribbean to video services provide high bandwidth, and mobile communication services. The satellite was based on the satellite bus Boeing 702MP of Boeing Space & Intelligence Systems built and has a design life of 15 years.
Web links
- Intelsat 21 factsheet ( memento from November 10, 2012 in the Internet Archive ) of the operator Intelsat (PDF; 1.2 MB)
- SatBeams: Intelsat 21 (IS-21, PAS-21)
Individual evidence
- ↑ Sea Launch: Intelsat 21 ( Memento from September 11, 2012 in the Internet Archive )
- ↑ a b Boeing: Boeing: Satellite Development Center - Boeing 702MP Fleet - Intelsat ( Memento from July 15, 2014 in the Internet Archive )
- ↑ RIA Novosti: Russian-Ukrainian rocket brings US satellite safely into space, August 19, 20912.