SpaceX has launched the a pair of Falcon 9 missions approximately 23 hours apart from the company’s two Florida launch pads. The first mission carried the first two satellites for a new constellation known as O3b mPOWER to orbit on Friday, Dec. 16, with liftoff coming at the very end of an 87-minute launch window at 5:48 PM EST (22:48 UTC) from Space Launch Complex 40 (SCL-40) at the Cape Canaveral Space Force Station (CCSFS).
This was followed by a different Falcon 9 sending 54 more Starlink internet satellites into low Earth orbit from Launch Complex 39A (LC-39A) at the Kennedy Space Center (KSC) on Saturday, Dec. 17 at 4:32 PM EST (21:32 UTC).