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United States of America
United States of America
Agencies
United Launch Alliance (ULA)
United Launch Alliance (ULA)
Kuiper Technology
Kuiper Technology
Date: Monday, April 28, 2025
Time: 11:00 PM UTC (UTC +0)

This goes

to space

Project Kuiper KA-01

Project Kuiper is set to send its first full batch of satellites to space, marking an important step in its mission to deliver fast, reliable internet to customers and communities around the world. The mission, named “KA-01” for Kuiper Atlas 1, will launch on a United Launch Alliance (ULA) Atlas V rocket from Cape Canaveral Space Force Station, Florida, and deploy 27 satellites at an altitude of 280 miles (450 kilometers) above Earth. Launch is currently scheduled for no earlier than (NET) 12 p.m. EDT on Wednesday, April 9.

Project Kuiper is designed to deliver high-speed, low-latency internet to virtually any location on the planet, with service expected to begin later this year. The first-generation satellite system will consist of more than 3,200 advanced low Earth orbit satellites, with over 80 launches secured to deploy the initial constellation. Each launch will add dozens of satellites to the network, and the KA-01 mission marks the first step in this process.

The satellites flying on KA-01 are a significant upgrade from the two prototype satellites tested during the Protoflight mission in October 2023. Performance improvements have been made across all systems and subsystems, including phased array antennas, processors, solar arrays, propulsion systems, and optical inter-satellite links. Additionally, the satellites are coated in a unique dielectric mirror film designed to scatter reflected sunlight, reducing their visibility to ground-based astronomers.

Project Kuiper’s satellite payload will be the heaviest ever flown on ULA’s Atlas V rocket. To accommodate it, Atlas V will launch in its most powerful configuration, featuring five solid rocket boosters alongside its main booster and a payload fairing measuring 77 feet (23.5 meters) in height and 16.4 feet (5 meters) in width.

Over the next few years, Kuiper and ULA will conduct seven more Atlas V launches and 38 launches on ULA’s larger Vulcan Centaur rocket. More than 30 additional launches are planned with other providers, including Arianespace, Blue Origin, and SpaceX.


Launch is only the first step in the months-long KA-01 mission. ULA will manage the launch and deployment sequence from its Advanced Spaceflight Operations Center at Cape Canaveral Space Force Station. Once all satellites have separated from the rocket, the Kuiper team will take over constellation management from its 24/7 mission operations center in Redmond, Washington.

The primary objective of the KA-01 mission is to deploy all satellites safely into orbit, allowing them to independently maneuver and communicate with the ground team. After separation, the satellites will initiate a series of mostly automated steps to activate onboard systems and use their electric propulsion systems to gradually ascend to their assigned orbit of 392 miles (630 km). They will travel at speeds exceeding 17,000 miles per hour (27,359 km per hour) and complete an orbit approximately every 90 minutes.

While the satellites complete the orbit-raising process, the focus will shift to the ultimate mission objective: establishing end-to-end network connectivity. This involves transmitting data from the internet through ground infrastructure, up to the satellites, and down to customer terminal antennas, with data flowing in both directions.

Following KA-01, Project Kuiper will continue increasing production, processing, and deployment rates in preparation for delivering service to customers. Satellites for the next mission, KA-02, are already being shipped and processed. KA-02 will also launch aboard a ULA Atlas V rocket from Cape Canaveral Space Force Station.

Courtesy of Amazon and ULA.

Project Kuiper KA-01

On this

rocket

Atlas V - 551

The Atlas V is the workhorse of United Launch Alliance's rocket fleet, combining Russian and American technology. It utilizes the Russian RD-180 engine on its first stage and is known for its versatility, offering 20 possible configurations—though only 10 have flown. Developed in the mid-to-late 1990s, the Atlas V is the fifth and final iteration of the veteran Atlas rocket family, which began its service in 1957. Lockheed Martin designed and built the Atlas V as part of the U.S. government's 1994 Evolved Expendable Launch Vehicle (EELV) program, aimed at supporting national security missions. The merger of Lockheed Martin's Atlas V and Boeing's Delta IV in 2006 created United Launch Alliance (ULA), which dominated the U.S. government launch market for over a decade.

Specs

Height: Up to 58.3 m (191 ft)

Diameter: 3.81 m (12.5 ft)

Mass: 590,000 kg (1,300,000 lb)

Stages: 2

The Atlas V's price has fluctuated significantly over the years. For example, a basic Atlas V 401 (featuring no boosters and a single-engine Centaur second stage) cost anywhere from the high-$90 million range to $163 million in the 2000s and early 2010s. However, with the rise of SpaceX as a competitor in the 2010s, significant price reductions followed. Although it is not the cheapest rocket on the market, the Atlas V has maintained an unmatched success rate, achieving a 100% mission success record. It is being phased out in favor of the Vulcan rocket, with full replacement expected by the late 2020s.

The Atlas V 551 variant features a five-meter payload fairing (5), five side-mounted solid rocket boosters (5), and a single-engine Centaur upper stage (1). One of its most notable missions occurred in January 2006, when it launched the New Horizons probe on its journey to Pluto and the Kuiper Belt.

Photo courtesy of ULA.

Atlas V - 551

From this

launch site

SLC-41 - Cape Canaveral Space Force Station, Florida, USA

Space Launch Complex 41 (SLC-41) is a significant launch site located at Cape Canaveral Space Force Station (CCSFS) in Florida. Originally built in the 1960s, SLC-41 was designed to support the Titan III and Titan IV rocket programs. Throughout its history, the pad has been used for various missions, including the deployment of military and reconnaissance satellites. A notable launch from SLC-41 was the Cassini spacecraft mission, which began its journey to Saturn in 1997.

In the early 2000s, SLC-41 was repurposed to support the Atlas V rocket, operated by United Launch Alliance (ULA). This transition involved extensive upgrades to the pad’s infrastructure and the installation of new ground support equipment to accommodate the Atlas V. These modifications ensured that SLC-41 could meet the requirements of modern space missions.

Under ULA’s management, SLC-41 has hosted a range of important launches, including the Mars Science Laboratory mission, which successfully landed the Curiosity rover on Mars in August 2012, and the launch of GPS III satellites, enhancing global positioning capabilities. The pad has also supported Boeing's CST-100 Starliner capsule, which is part of NASA’s Commercial Crew Program. The Starliner capsule, designed to transport astronauts to and from the International Space Station, has been launched from SLC-41 to support crewed missions.

Looking to the future, SLC-41 is set to support ULA’s Vulcan Centaur rocket. The Vulcan Centaur is intended to replace the Atlas V and Delta IV rockets, marking a new era in ULA’s launch capabilities with enhanced performance and cost-efficiency. The pad’s infrastructure will be further updated to accommodate this next-generation rocket.

Photo courtesy of ULA.

SLC-41 - Cape Canaveral Space Force Station, Florida, USA

Here's where to view Project Kuiper KA-01

Viewing Sites
  • Alan Shepard Park
  • A. Max Brewer Parkway Bridge
  • Apollo Saturn V Center / Banana Creek
  • Cherie Down Park
  • Cocoa Beach Pier
  • Jetty Park
  • Kennedy Space Center Visitor Complex
  • LC-39 Observation Gantry
  • Lori Wilson Park
  • Playalinda Beach
  • Rotary Riverfront Park
  • Sand Point Park
  • Sidney Fischer Park
  • Spaceview Park

Space is for everyone. Here’s a link to share the launch with your friends.