🛰️ Satellite Constellation

Walker Delta constellation: T = P×S satellites in P equally-spaced orbital planes. Drag to rotate, scroll to zoom.

Quick Presets

Constellation

Planes (P) 6

Sats / plane 10

Inclination 53°

Altitude 550 km

View

Show orbital planes Show coverage Earth grid

Time

Speed 200×

Statistics

Total sats

Period

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Coverage

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Spd (km/s)

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Walker Delta T/P/F: T total satellites in P planes. Each plane is RAAN-separated by 360°/P. Phasing factor F shifts the in-plane positions between orbital planes. Starlink is ~53° inclination at 550 km — optimised for mid-latitude coverage.