Ever wanted to observe or "spy" satellites in the sky with TrackSat - Satellite tracker now you can.
This application enables you to track satellites orbiting the Earth in real time and predict their passes over your specific geolocation.
You can track satellites such as International Space Station (ISS) Starlink SpaceX Crew Dragon Terra NOAA satellites and many others at any time you want.

Main features of TrackSat - Satellite tracker:

∼ Great collection of satellite groups (Brightest Starlink NOAA Last 30 launches Weather Space stations Classified Education Disaster monitoring Planet Geo-Sync active Galileo Russian navigation Beidou Disaster monitoring etc.)
∼ Outstanding 2D and 3D satellite tracking maps
∼ Multiple map layers with night mode
∼ A simple and easy to use satellites search
∼ Satellite predictions and passes
∼ Live updated parameters and orbits
∼ Device based or custom locations
∼ Extensive information for more than 4500 satellites (date of launch NORAD or COSPAR number orbit type and class purpose mass expected lifetime launch vehicle and site contractor country inclination etc.)
∼ ISS Starlink NOAA Atlas Centaur 2 COSMOS GENESIS 1&2 AQUA EUTELSAT INTELSAT CXO Hubble Space Telescope SDO and so much more
∼ Pick your favorite satellites and undisturbed watch just them
∼ All of this almost without internet connection

When will Starlink satellites pass over my location? Is the Internal Space Station (ISS) visible now? With TrackSat - Satellite tracker you can find out all what you're asking for.