May 2022
China’s international collaboration in space: an evolving approach from the Middle Kingdom
... sector collaboration by exporting turnkey satellites to developing countries. The first such project was NigComSat-1, a large geostationary (GEO) communications satellite built for Nigeria. The deal was signed in 2004 and the satellite was launched...
October 2023
Remote sensing by satellite - People’s Republic of China
...using optical, radar, gravity and magnetism sensors to obtain geo-information about the Earth. The programme provides for the ... of applications. All TJS satellites are in geostationary orbit (GEO). Some appear to be built for missile warning (built ...
October 2025
Satellite technology - from operational challenges to strategic opportunities
... orders of magnitude improvements in efficiency. LEO constellations provide low signal delays and frequent revisit rates, while GEO satellites offer persistent coverage and high-capacity communications. Medium Earth orbit (MEO) systems bridge these...
10 March 2015
ARTES and the world of satcoms
...competitiveness across all market segments. The ARTES Small GEO programme addresses the market segment below 3 tonnes...while Alphabus addresses the high-end segment above 6 tonnes. Small GEO is being developed in a PPP within ARTES by an industrial ...
July 2014
Beware the situation: how JSpOC tracks space debris
... will stay in space for decades, and in geosynchronous orbits (GEOs) objects could remain in space for hundreds of years or more.... We warn of conjunctions that are under 5km miss distance at GEO or less than 1km miss distance in LEO, and we do this...
March 2015
JAXA’s challenge to climate change
...year implementation plan and establishment of the intergovernmental Group on Earth Observations (GEO) were agreed upon at EOS III in Brussels in May 2005. Japan announced at GEO Plenary that it would contribute to GEOSS mainly in the three Societal...