Features include: multi satellite tracking; full-color Earth maps (rectangular and 3D projections); great accuracy tracking algorithms (Plan13, SGP, SGP4 and SDP4); fast and efficent computation of viewing opportunities; satellite passes against local sky; visibility and orbital parameters data computed for each tracked satellite; doppler shifts for downlink and uplink frequencies; local and general sky maps; atmospheric refraction computed for satellites on local sky horizon; planet and stellar ephemeris; satellite ephemeris: ECI position and velocity vectors, look angles etc; satellite relative motion ephemeris; satellite visual magnitude determination improved (standard or Lambertian function); printable output for pass prediction data and maps; simple to use interface and context help available.