Atlas V 551 | Amazon Leo (LA-07)

Launch by United Launch Alliance. Amazon Leo, formerly known as Project Kuiper, is a mega constellation of satellites in Low Earth Orbit that will offer broadband internet access, this constellation will be managed by Kuiper Systems LLC, a subsidiary of Amazon. This constellation is planned to be composed of 3,276 satellites. The satellites are projected to be placed in 98 orbital planes in three orbital layers, one at 590 km, 610 km and 630 km altitude.

29 satellites are carried on this laun

Friday, May 22, 2026 at 06:56 PM

Be the first!

–

days

hours

min

sec

Create Countdown

Report this countdown

Countdown Timer - Atlas V 551 | Amazon Leo (LA-07)

Get ready for an exciting leap into the future of connectivity! The countdown timer for the Atlas V 551 launch, scheduled for Friday, May 22, 2026, is officially on. This mission by United Launch Alliance will deploy 29 satellites as part of Amazon Leo, a groundbreaking mega constellation designed to deliver high-speed broadband internet access from Low Earth Orbit. With a total of 3,276 satellites planned across 98 orbital planes, this ambitious project promises to revolutionize global internet access. Managed by Kuiper Systems LLC, a subsidiary of Amazon, the Atlas V 551 launch is a pivotal step towards bridging the digital divide. Join us as we count down the days to this monumental event that will reshape how we connect and communicate. Don’t miss out on the countdown!

Frequently Asked Questions

There are exactly 11 days left until Atlas V 551 | Amazon Leo (LA-07), which is 254 hours or 15239 minutes.

Atlas V 551 | Amazon Leo (LA-07) will take place on Friday, May 22, 2026 at 06:56 PM.

Use our real-time countdown to precisely track the time remaining until Atlas V 551 | Amazon Leo (LA-07).

Related countdowns

See more space

Space

Solar Orbiter Venus Flyby

Solar Orbiter, a partnership between ESA and NASA, will perform a gravity assist maneuver with Venus on December 24, 2026. Throughout its mission it also makes repeated gravity assist flybys of Venus to get closer to the Sun, and to change its orbital inclination, boosting it out of the ecliptic plane, to get the best – and first – views of the Sun’s poles. Location: Venus.

225

12/24/2026View →

Space

US EVA-95

Two astronauts will replace a high-definition camera on camera port 3, install a new navigational aid for visiting spacecraft, called a planar reflector, on the Harmony module’s forward port, and relocate an early ammonia servicer jumper — a flexible hose assembly that connects parts of a fluid system — along with other jumpers on the station’s S6 and S4 truss. Location: International Space Station.

5/31/2026View →

Space

Hayabusa2 S-Type Asteroid (98943) Torifune Flyby

As part of its mission extension, JAXA's Hayabusa2 spacecraft will observe S-type asteroid (98943) Torifune during a high-speed fly-by. Location: (98943) Torifune.

7/31/2026View →

Space

Vega-C | Solar wind Magnetosphere Ionosphere Link Explorer (SMILE)

Launch by Avio S.p.A. Joint mission between the European Space Agency and the Chinese Academy of Sciences to investigate the interaction between Earth’s protective shield – the magnetosphere – and the supersonic solar wind. From Guiana Space Centre, French Guiana.

5/19/2026View →

Space

Juice Earth Flyby

Third flyby of ESA's Jupiter Icy Moons Explorer (Juice) mission on its way to the Jovian system. Location: Earth.

140

9/30/2026View →

Space

SNC-1 Dream Chaser Landing

The Sierra Nevada Corporation SNC-1 Dream Chaser will land autonomously at the Launch and Landing Facility of Kennedy Space Center. Location: Kennedy Space Center, FL, USA.

232

12/31/2026View →

See more space