Starlink delivers internet connectivity via satellite technology
Starlink is an internet service provider (ISP) established by Elon Musk through his aerospace company, SpaceX. Its primary goal is to provide internet access to areas that currently lack adequate coverage and serve as a backup for existing infrastructure.
Starlink is the world’s most advanced satellite constellation that uses low Earth orbit to deliver broadband internet capable of supporting streaming, online gaming, video calls, and more.
Starlink uses Starlink’s extensive experience in spacecraft and on-orbit operations, developing and operating Starlink’s advanced satellites in Redmond, Washington. Starlink Kits are manufactured for customers in Bastrop, Texas, to deliver high-speed, low-latency internet around the world.
The Starlink Process
Most satellite internet services come from single geostationary satellites orbiting the Earth from a distance of 35,786 km. As a result, round trip data time between user and satellite is high—also known as latency, which makes it nearly impossible to support streaming, online gaming, video calls or other high-data rate activities.
Starlink is a constellation of thousands of satellites orbiting the planet closer to Earth, at a distance of approximately 550km, and spanning the rest of the world. Because Starlink’s satellites are in low orbit, they also have significantly lower latency—approximately 25 ms compared to 600+ ms.
The tools engineered by SpaceX
Satellite — Each satellite has a compact, flat-panel design that minimizes volume, creating an intensive launch stack to take full advantage of the launch capabilities of SpaceX’s Falcon 9 rocket.
Optical space lasers — Each Starlink satellite has 3 space lasers (Optical Intersatellite Links or ISLs), operating at up to 200 Gbps, which when combined in the constellation form a global internet mesh capable of connecting customers around the world.
Antennas — Each Starlink satellite uses 5 advanced Ku-band phased array antennas and 3 dual-band (Ka-band and E-Band) antennas to provide high-bandwidth connectivity to Starlink customers.
Ion propulsion systems — Powerful argon thrusters enable Starlink satellites to orbit liftoff, maneuver through space, and deorbit after their useful life.
Power system – Starlink satellites have dual solar arrays and a high-capacity battery to supply power for payloads.
Star tracker – Starlink’s custom-built navigation sensors analyze the stars to determine the location, altitude, and orientation of each satellite, enabling accurate placement of broadband throughput.
Reaction wheels – Four reaction wheels provide agile attitude control to the vehicle. The hot-spare configuration ensures high reliability operation.
Reference: Starlink | Technology
The Starlink Process
Most satellite internet services come from single geostationary satellites orbiting the Earth from a distance of 35,786 km. As a result, round trip data time between user and satellite is high—also known as latency, which makes it nearly impossible to support streaming, online gaming, video calls or other high-data rate activities.
Starlink is a constellation of thousands of satellites orbiting the planet closer to Earth, at a distance of approximately 550km, and spanning the rest of the world. Because Starlink’s satellites are in low orbit, they also have significantly lower latency—approximately 25 ms compared to 600+ ms.
The tools engineered by SpaceX
Satellite — Each satellite has a compact, flat-panel design that minimizes volume, creating an intensive launch stack to take full advantage of the launch capabilities of SpaceX’s Falcon 9 rocket.
Optical space lasers — Each Starlink satellite has 3 space lasers (Optical Intersatellite Links or ISLs), operating at up to 200 Gbps, which when combined in the constellation form a global internet mesh capable of connecting customers around the world.
Antennas — Each Starlink satellite uses 5 advanced Ku-band phased array antennas and 3 dual-band (Ka-band and E-Band) antennas to provide high-bandwidth connectivity to Starlink customers.
Ion propulsion systems — Powerful argon thrusters enable Starlink satellites to orbit liftoff, maneuver through space, and deorbit after their useful life.
Power system – Starlink satellites have dual solar arrays and a high-capacity battery to supply power for payloads.
Star tracker – Starlink’s custom-built navigation sensors analyze the stars to determine the location, altitude, and orientation of each satellite, enabling accurate placement of broadband throughput.
Reaction wheels – Four reaction wheels provide agile attitude control to the vehicle. The hot-spare configuration ensures high reliability operation.
Reference: Starlink | Technology
