INMARSAT 4-F3 Live Satellite Tracker

INMARSAT 4-F3 is listed in SatConst with NORAD ID 33278. Enable JavaScript to view the interactive 3D satellite tracker.

Loading SatConst…

Initializing…

SatConst Orbital Tracker

Welcome! This tool lets you explore live satellite orbits in interactive 3D.

Source: CelesTrak — Two-Line Element (TLE) sets
Update: Fresh TLEs are loaded each time you open the page (no continuous background polling)
Accuracy: Positions are computed with the SGP4 model — real satellites may drift slightly due to maneuvers or drag

Mouse / Touch: drag to rotate, scroll/pinch to zoom, right-drag to pan
Hover: show orbit + satellite details
Click: select / deselect a satellite
Alt + hover Earth: view local time under cursor
Double-Alt: pin a ground-track pass
Esc: clear pins or close panels
Keyboard:
- Space: play / pause time
- . (dot): step forward 1 second
- O: toggle orbit lines
- S: toggle shadows
- L: toggle states/provinces

Live Satellite TLEs

No selection FPS — Avg TLE Age —

Show all orbits Satellite shadows Background