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martyb writes:

[Updated 20190517_020607 UTC. According to SpaceX's twitter feed:

Standing down to update satellite software and triple-check everything again. Always want to do everything we can on the ground to maximize mission success, next launch opportunity in about a week.

Original story follows.

-- Ed.]

From the live stream on YouTube:

SpaceX is targeting Thursday, May 16 for the launch of 60 Starlink satellites from Space Launch Complex 40 (SLC-40) at Cape Canaveral Air Force Station, Florida. SpaceX’s Starlink is a next-generation satellite network capable of connecting the globe, especially reaching those who are not yet connected, with reliable and affordable broadband internet services.

The launch window opens at 10:30 p.m. EDT, or 2:30 UTC on May 17, and closes at 12:00 a.m. on May 17, or 4:00 UTC. Falcon 9’s first stage for this mission previously supported the Telstar 18 VANTAGE mission in September 2018 and the Iridium-8 mission in January 2019. Following stage separation, SpaceX will attempt to land Falcon 9’s first stage on the “Of Course I Still Love You” droneship, which will be stationed in the Atlantic Ocean. Approximately one hour and two minutes after liftoff, the Starlink satellites will begin deployment at an altitude of 440km. They will then use onboard propulsion to reach an operational altitude of 550km.

The live stream historically "goes live" approximately 15 minutes before launch which should be 1 hour from the time this story goes live.

Yesterday's launch attempt was cancelled due to unacceptable high-altitude winds. Courtesy of the National Weather Service, here is the current forecast and the hourly forecast for Cape Canaveral.

Original Submission