PARIS — A consortium of Chinese companies established in 2016 to operate three or four large geostationary-orbit satellites for broadband delivery on July 9 launched its first satellite, Apstar-6D, aboard a Chinese Long March 3B rocket.

China’s state-owned Xinhua said the launch, which required Long March engineers to lighten the third stage to accommodate Apstar-6D, was a success. At 5,550 kilograms, Apstar-6D is 50 kilograms above the listed performance limit  for the Long March 3B.

China Great Wall Industry Corp . . .

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