Stats: Delta 4 history and manifest

SpaceX test-fired the Falcon 9 rocket early Saturday ahead of launch with the next four astronauts heading to the International Space Station. The static fire test before sunrise Saturday in Florida was a major step toward liftoff Thursday.

NASA’s $1.2 billion Psyche mission to a metal-rich asteroid has lifted off atop a SpaceX Falcon Heavy rocket. Launch from pad 39A at NASA’s Kennedy Space Center is occurred at 10:19 a.m. EDT (1419 UTC) Friday.

SpaceX launched a Falcon 9 rocket Sunday from Cape Canaveral with 143 small satellites, a record number of spacecraft on a single mission, giving a boost to startup space companies and stressing the U.S. military’s tracking network charged with sorting out the locations of all objects in orbit.