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Artemis in testing at ESTEC
Artemis in testing at ESTEC
Artemis vital statistics
 
Satellite characteristics
Mass
at launch		3,100 kg
Power consumption2.5 kW
Height4.8 metres
Length25 metres
(solar array tip to tip)
Width8.0 metres
(with antennas deployed)
Launch2001
Lifetime10 years
Orbital position21.5°E
 
 
Mobile payload
CoverageEurope (to Urals), North Africa & Middle East
Frequency bands1.5 GHz (L-band) to/from mobiles
12/14 GHz (Ku-band) to/from fixed Earth stations
Voice channels<360 bi-directional (eurobeam)
<662 bi-directional (spotbeam)
Mobile terminal
antenna size		20 cm by 40 cm

Data relay payload
CoverageApprox. 65% of orbits
Feeder/downlink coverageWestern Europe
Inter orbit link
(S-band 2GHz)		1 Mbps in the forward direction
(i.e. Artemis to low altitude spacecraft)
3 Mbps in the return direction
(i.e. low altitude spacecraft to Artemis)
Ka-Band (23/26 GHz)10 Mbps in the forward direction
3 x 150 Mbps in the return direction
Optical (0.8nm)2 Mbps in the forward direction
50 Mbps in the return direction

Navigation payload
Coverageglobal (specifically Europe)
Mass25 kg
Power110 W
Antenna(downlink) horn antenna
(uplink) LLM antenna (2.8 m Ø)
Frequency band(downlink) 1.6 GHz (L-band)
(uplink) 14 GHz (Ku-band)

 
 
Last update: 7 February 2002
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