Artemis vital statistics

29 ZÁŘ. 2000 1375

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)

Související odkazy

[ Secure Satellite Connectivity ]

ARCHIVOVANÝ OBSAH: 15 ÚNO. 2001

Artemis: Europe's advanced telecommunication satellite to be launched soon on Ariane-5

ESA Press Release N°09-2001Artemis, the most advanced telecommunication satellite ever developed by the European Space Agency, is now slated for launch on a European Ariane-5 launcher sometime between June and August 2001. The launch contract was signed today at ESA Headquarters in Paris by Antonio Rodotà, Director General of ESA, and Jean-Marie Luton, CEO of Arianespace.

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[ Secure Satellite Connectivity ]

29 ZÁŘ. 2000

Artemis - introduction

Why Artemis?ESA’s Artemis spacecraft will further develop European capabilities in satellite communications, testing new technologies and acting as a relay platform to improve existing services to other satellites and systems.As ...

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[ Secure Satellite Connectivity ]

29 ZÁŘ. 2000

Artemis - the satellite

Mobile communicationsArtemis will carry a payload known as LLM (L-band Land Mobile) which will provide mobile communications services throughout western Europe and neighbouring regions, including the Mediterranean, the Middle East ...

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01 ÚNO. 2001

Artemis - launch

Artemis was originally scheduled for launch on a Japanese H-IIA rocket under a cooperative agreement with the Japanese space agency, NASDA. However, development delays with the launcher caused ESA to review its launch options during the second half of 2000.

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