Photos: Atlas 5 rocket soars from West Coast

This is the launch timeline to be followed by the Atlas 5 rocket’s ascent into orbit from Cape Canaveral with the advanced GOES-R weather satellite for NASA and NOAA. Launch is scheduled for Saturday at 5:42 p.m. EST (2242 GMT).

Breaking a SpaceX record for the shortest span between two missions from the same launch pad, a Falcon 9 rocket lifted off Saturday from Cape Canaveral carrying 58 more Starlink broadband satellites and three Earth-imaging spacecraft for Planet.

Firefly Aerospace and Aerojet Rocketdyne have announced a strategic partnership to collaborate on rocket propulsion, an agreement that could lead to Firefly’s use of Aerojet’s AR1 engine in a new medium-lift launcher.