Falcon 9 Starlink Group 17-39: Launch Time & Live Stream (20 July 2026)

SpaceX will launch a batch of Starlink internet satellites on a Falcon 9 Block 5 rocket from Space Launch Complex 4E at Vandenberg Space Force Base, California, on 20 July 2026 at 14:00 UTC. The mission, designated Starlink Group 17-39, is currently listed as Go for launch.

Starlink is SpaceX's low-Earth-orbit broadband constellation, delivering high-speed internet across most of the planet. The Falcon 9 Block 5 is a two-stage, partially reusable orbital rocket and the workhorse of SpaceX's launch fleet.

When is the launch?

The launch is scheduled for 20 July 2026 at 14:00 UTC from SLC-4E at Vandenberg SFB. Starlink missions typically feature multiple instantaneous or short launch windows, and SpaceX often holds backup opportunities in the hours or days that follow in case of weather or technical scrubs.

What is the payload?

The payload is a batch of Starlink v2 Mini satellites bound for low Earth orbit. Vandenberg-launched Starlink groups target shells inclined near 53–70 degrees, expanding coverage over higher latitudes. Each Falcon 9 flight from the West Coast typically carries around 20 or more satellites, depending on the target orbit and satellite variant.

According to SpaceX, the Starlink network is the largest satellite constellation ever built, with more than 7,000 spacecraft operational in orbit and thousands more planned. The satellites are deployed at an initial altitude of roughly 280–300 km before raising themselves to their operational shell using onboard ion thrusters.

How the mission profile works

About 8.5 minutes after liftoff, the Falcon 9 first stage will attempt a landing on an autonomous droneship stationed in the Pacific Ocean. SpaceX has flown and recovered Falcon 9 boosters dozens of times, with individual boosters exceeding 20 flights each, driving down launch costs through rapid reuse. The second stage continues to orbit, where it releases the Starlink satellites roughly an hour into flight.

How to watch live

SpaceX streams its Starlink launches beginning about five minutes before liftoff, carried on the SpaceX website and its official social channels. You can follow the countdown, track the rocket, and watch the deployed satellites appear in orbit on Cosmik's live 3D satellite map.

• Check the current status and countdown on our rocket launch schedule.
• Follow more SpaceX launches and the Vandenberg launch schedule.
• Watch newly deployed spacecraft form a Starlink train across the night sky.

Why this launch matters

Each Starlink deployment steadily increases network capacity and reduces latency for users in remote and underserved regions. Vandenberg's SLC-4E has become one of SpaceX's most active West Coast pads, supporting a high cadence of both Starlink and customer missions. The constant stream of launches from California and Florida has made SpaceX responsible for the majority of all mass delivered to orbit worldwide.

About the Falcon 9 and Vandenberg

The Falcon 9 Block 5 stands 70 meters tall and is powered by nine Merlin engines on its first stage. Launch and orbital data for this mission are sourced from The Space Devs Launch Library. For more background, see the Falcon 9, Starlink, and Vandenberg Space Force Base Wikipedia pages.

Track the launch live on Cosmik

Follow Starlink Group 17-39 from countdown to orbit on Cosmik's real-time 3D map, explore the full Starlink constellation, and stay ahead with the latest launch news. Enable free launch alerts so you never miss a liftoff.