Galaxy 11

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Galaxy 11
Start date December 22, 1999, 12:50 UTC
Launcher Ariane 44L V-125
Launch site CSG , ELA-2
COSPAR-ID : 1999-071A
Takeoff mass 4488 kg
Mass in orbit 2775 kg
Dimensions 6.2 m × 3.8 m × 3.3 m
Span in orbit 31.0 m ( solar panels ),
9.0 m ( antennas )
Manufacturer Boeing Satellite Systems
Satellite bus BSS-702
lifespan 15 years (planned)
operator PanAmSat ( Intelsat )
Playback information
Transponder 24 in the C band (+6 backup ),
40 in the Ku band (+10 backup )
Transponder performance C-band : 20 W ,
Ku-band : 75-140 W
Others
Electrical power 10.4 kW
position
First position 99 ° west
Actual position 44.9 ° East
drive 4 ion jet engines
List of geostationary satellites

Galaxy 11 is a commercial communications satellite from the satellite operator PanAmSat (now Intelsat ) from the Galaxy series .

construction

Galaxy 11 is based on the BSS-702 - satellite bus of Boeing built (it is also the first satellite using the Boeing-702) bus. It had a planned lifespan of 15 years, which has already been exceeded. The satellite accommodates 24 transponders in the C-band (+ 6 replacement) and 40 in the Ku-band (+ 10 replacement). The satellite is powered by batteries and solar panels .

Mission history

Galaxy 11 was ordered in May 1997 at Boeing and on 22 December 1999 on a four Ariane - launcher from the Guiana Space Center successfully launched. The satellite was initially positioned at 99 ° West in geostationary orbit . It was later moved to 91 degrees west. It is currently circling at 44.9 ° East about 36,000 km above the earth.

The satellite suffers from a generic flaw of the early BSS-702 model: fogging of the concentrator mirrors on the solar cells leads to reduced available power.

reception

The satellite can be received in North America and Brazil .

Web links

Individual evidence

  1. Position according to GEOSTATIONARY SATELLITES. N2YO, January 5, 2018, accessed January 6, 2018 .