Mass at launch | 3,100 kg |
Power consumption | 2.5 kW |
Height | 4.8 metres |
Length | 25 metres (solar array tip to tip) |
Width | 8.0 metres (with antennas deployed) |
Launch | 2001 |
Lifetime | 10 years |
Orbital position | 21.5°E |
Mobile payload | |
Coverage | Europe (to Urals), North Africa & Middle East |
Frequency bands | 1.5 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 | |
Coverage | Approx. 65% of orbits |
Feeder/downlink coverage | Western 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 | |
Coverage | global (specifically Europe) |
Mass | 25 kg |
Power | 110 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) |
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