Artemis vital statistics
Satellite characteristics
|
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) |
