29 SEP. 2000 Veröffentlichungsdatum 1375 Aufrufe

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)

Verwandte Links


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