Satellite Tracking

Multi-Satellite Sky Chart

Plot AZ/EL tracks for many satellites at once from a single observer. SGP4 propagation, visibility filtering, and an animation scrubber — all client-side. Supports session save/load.

TLEs
(loading default TLE…)
Observer
Time window (UTC)
Plot
No data — load TLEs and click Compute & Plot.
Inclination filter
Azimuth filter
Elevation filter
Label threshold
Show satellite names when ≤ markers visible in the chart
Elevation mask
Bands
(no frequency data loaded)

Tip: scroll-wheel to zoom at cursor • drag to pan • double-click to reset zoom

Name NORAD Bands Beacons Inc° Peak EL° Operator Position

Log