Why would anyone need a hundred thousand satellites?

Hook

Why and how would anyone need a hundred thousand satellites? SpaceX already has more than eleven thousand Starlink satellites in orbit, more than every other operator combined. And Elon Musk says the plan is to go to a hundred thousand, and SpaceX has asked regulators for permission. So how does internet from space actually work?

Old

Satellite internet used to mean a few huge satellites, parked about twenty two thousand miles up in geostationary orbit. From that height, one satellite can cover a third of the planet. The catch is distance. A signal has to travel up and back down, and you notice the delay, especially on video calls and games.

Leo

Starlink flips that idea. Its satellites fly much lower, a few hundred miles up, in low Earth orbit. The trip is far shorter, so the delay drops from more than half a second to tens of milliseconds, close to many ground-based connections. But low satellites race across the sky in minutes, and each one only sees a small patch of Earth. So you need a lot of them.

Dish

Your dish has no motor to follow them. It's a phased array: many tiny antennas that steer the beam electronically, by timing their signals, handing you off from one satellite to the next. The satellites talk to each other too, with lasers, passing data across space to reach a ground station far away.

Growth

The business is booming. SpaceX says Starlink had about thirteen point six million subscribers by the end of September 2026. More users means more data, and each satellite can only carry so much. The answer is more satellites, and bigger, faster ones launched on Starship.

Costs

There are real tradeoffs. Astronomers say bright satellite trails are streaking across telescope images. Space safety experts worry about crowding and collisions in low orbit. Starlink satellites are designed to fully burn up, and a dead one falls out of orbit within about five years, but the more you launch, the more traffic there is to manage.

Competition

And SpaceX isn't alone. Amazon's network, now called Amazon Leo, is building its own constellation, and other companies are launching satellites that connect straight to ordinary phones. Musk has said Starlink could one day carry most of the world's internet traffic. Competitors and regulators are watching that closely.

Close

So the plan calls for a hundred thousand satellites because low orbit makes internet fast, but each satellite sees only a sliver of the planet. ThatsWhyHow.