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Home Page >
Mobile Satellite Systems
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Customer |
Thuraya
Satellite
Telecommunications Co. Ltd.,
Abu Dhabi, United Arab Emirates |
|
Product |
GEO-mobile
satellite
communications system
2 HS-GEM satellites
Primary gateway station
235,000 telephones |
|
Launch |
#1 |
#2 |
|
Date |
Early 2000 |
Ground Spare |
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Vehicle |
Sea
Launch/
Ariane 5 |
TBD |
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Orbital Slot |
44° E |
28.5° E |
|
Contract life |
12
years |
12 years |
|
Space Segement
L-band
128 active elements
17-w SSPAsC-band
2 active (2 spare)
feeder link
125-w TWTAs
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Solar
Beginning of life
End of life
Panels |
13 kw
11 kw
2 wings of 4 panels each
w/dual-junction gallium
arsenide cells |
| Batteries |
250 A-hr cells |
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Liquid apogee
motor
98 lbf (436N)
Stationkeeping
thrusters
(bipropellant)
2 x 2 lbf (10N)
8 x 5 lbf (22N) |
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|
 |
12.25 m (40 ft) x 16 m (52 ft)
mesh transmit-receive reflector
128-element dipole L-band feed array
1.27 m round dual-polarized shaped reflector for C-band
communications link |
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| In orbit |
L, solar arrays: 34.5
m
(113 ft)
W, antennas: 17 m (55.7 ft) |
| Stowed |
H: 7.6 m (25 ft)
W: 3.75 m x 3.75 m
(12.3 ft) |
Weights
Launch
In orbit
(beginning of life) |
5250 kg (11,576 lb)
3200 kg (7056 lb) |
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