GPS BIIRM-1 (PRN 17) Live Satellite Tracker

GPS BIIRM-1 (PRN 17) is listed in SatConst with NORAD ID 28874. Enable JavaScript to view the interactive 3D satellite tracker.

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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