Planet Labs Plans 200-Satellite Earth Imaging Constellation
Planet Labs is seeking FCC approval to launch as many as 600 satellites over the next decade for its nongeostationary Earth imagery satellite system. The satellites -- 200 of which would be operating at any given time, given the low…
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altitudes at which they would operate and thus the short lifetime of each satellite -- would include the 11 Flock 1c satellites for which the company already has authorization and which launched in June 2014, plus another 56 the FCC authorized last year to be deployed from the International Space Station, Planet Labs said in an International Bureau filing submitted Sunday. The launches could begin in January, Planet Labs said, with the constellation orbiting at 350 kilometers to 720 km, with most at 475 km, it said. Each of the satellites is expected to have an operational lifespan of roughly two years, providing daily imaging of the entire planet, Planet Labs said. The company said signal interference with other systems is unlikely, even as Planet Labs' constellation grows, because earth exploration satellite service systems operating in the 8,025-8,400 MHz band -- like Planet Labs' -- "normally transmit only in short periods of time" and satellites from different systems do not typically travel through the narrow antenna beams of receiving Earth stations and transmit simultaneously.