Meteorological; weather forecasting and disaster reduction.
Part of Beidou constellation.
Part of Beidou constellation.
Part of Beidou constellation.
"Part of Beidou constellation, now operational."
"Cartographic imaging satellite capable of stereoscopic Earth photography, equipped with orbit adjustment engine to maintain height against air drag."
Equivalent of U.S. NOSS system - three satellite cluster
Remote surveillance of satellites tr LEO.