MERRITT ISLAND, Fla. - SpaceX successfully launched a Falcon 9 rocket Sunday afternoon for its TD7 mission of a geosynchronous transfer from orbit. The launch took place around 5:28 p.m. at Kennedy Space Center. The launch was be the 16th flight for the Falcon 9 first stage booster supporting the mission.

While neither company has released details, an advisory by the Federal Aviation Administration (FAA) shows that the Optus-X satellite is set to liftoff atop a Falcon 9 during a window open from from 4:29-6:57 p.m. EST. The launch will be from Cape Canaveral Space Launch Complex 40, and travel on a due-east trajectory.

Live updates from Thursday morning’s SpaceX Starlink 6-68 mission that launched a Falcon 9 rocket from Cape Canaveral Space Force Station in Florida.

SpaceX launched what has been a top secret mission just before dusk on Sunday, not releasing the contents of its payload and changing its original mission name.

SpaceX is set to launch a rocket from Florida’s Space Coast Sunday afternoon for its TD7 mission. The rocket is expected to take off from Launch Complex 39A at Kennedy Space Center during a two-hour window starting at 4:29 p.

SpaceX is targeting its launch of the TD7 mission on Sunday afternoon from the Kennedy Space Center. The Falcon 9 rocket is expected to lift off at 5:28 p.m., but if additional time is needed, a backup opportunity is available on Monday at 4:29 p.