Aerospace Systems Future Communication Satellites

Artist’s rendition of the customer-driven A2100 telecommunication satellite family. The satellites will operate in GEO and their weights range between 1000 and 4800 kg (courtesy of Lockheed Martin Telecommunications).
Galaxy XI, the first in the new HS 702 new multipurpose, high-power communication satellite series is slated for launch in June 1998 (courtesy of Hughes Space and Communications Co.).
Artist’s rendition of ESA Artemis satellite. The satellite is scheduled for launch in 1998. It has three payloads: a laser-beam optical payload for communicating with low-Earth orbiting satellites; a mobile payload to provide communication services for European land vehicles/aircraft; and a data-relay payload to prepare for the operational data relay system (courtesy of the European Space Agency).
Japanese Communications and Broadcasting Engineering Test Satellite (COMETS). The satellite weight is 2000 kg and is scheduled to be launched to geostationary orbit in 1997 (courtesy of the National Space Development Agency of Japan-NASDA).
Japanese Optical Inter-orbit Communications Engineering Test Satellite (OICETS). The satellite weight is 500 kg and will be launched into low-Earth orbit aboard a J-1 rocket to conduct, in conjunction with ESA’s Artemis, on-orbit demonstrations of pointing, acquisition and tracking technology, and other key technology elements for optical inter-orbit communications (courtesy of the National Space Development Agency of Japan - NASDA).
Artist’s rendering of the 840 operational interlinked low-Earth orbit satellites, organized into 21 circular orbit planes that are staggered in altitude between 695 and 705 km. Each plane contains a minimum of 40 operational satellites plus up to four on-orbit spares. The deployed satellite is 12 m in diameter and the solar array is 12 m on each side. The three-axis stabilized satellite has a weight of 795 kg and resembles a flower with eight "petals" with a large boom-mounted square solar array. Each petal consists of three large electronically-steered phased array antenna panels (courtesy of Teledesic Corp.).
Artist’s rendering of the ten-satellite Inmarsat P network scheduled for launch in 1998. The operational system requires two planes of five satellites each in an intermediate circular orbit 10,400 km above the earth. Each one of HS 601 satellites can handle 4,500 simultaneous telephone calls (courtesy of Hughes Space and Communications Co.).

For additional information about the Center contact:
Professor Ahmed K. Noor
Director, Center for Advanced Engineering Environments

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