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2. List of satellite pass predictors - Wikipedia

   en.wikipedia.org/wiki/List_of_satellite_pass...

   TrackSat - Satellite tracker – can track satellites orbiting the Earth in real time and predict their passes over your specific geolocation. Includes satellites such as International Space Station (ISS), Starlink, SpaceX Crew Dragon, Terra, NOAA and many others.

3. Orbital period - Wikipedia

   en.wikipedia.org/wiki/Orbital_period

   Astrodynamics. The orbital period (also revolution period) is the amount of time a given astronomical object takes to complete one orbit around another object. In astronomy, it usually applies to planets or asteroids orbiting the Sun, moons orbiting planets, exoplanets orbiting other stars, or binary stars.

4. Free-space path loss - Wikipedia

   en.wikipedia.org/wiki/Free-space_path_loss

   Free-space path loss. In telecommunication, the free-space path loss ( FSPL) (also known as free-space loss, FSL) is the attenuation of radio energy between the feedpoints of two antennas that results from the combination of the receiving antenna's capture area plus the obstacle-free, line-of-sight (LoS) path through free space (usually air). [1]

5. Medium Earth orbit - Wikipedia

   en.wikipedia.org/wiki/Medium_Earth_orbit

   Space of Medium Earth orbits (MEO) as pink area, with Earth and the distance of the orbit of the Moon for reference and to scale. A medium Earth orbit ( MEO) is an Earth-centered orbit with an altitude above a low Earth orbit (LEO) and below a high Earth orbit (HEO) – between 2,000 and 35,786 km (1,243 and 22,236 mi) above sea level. [1]

6. Orbit determination - Wikipedia

   en.wikipedia.org/wiki/Orbit_determination

   Orbit determination is the estimation of orbits of objects such as moons, planets, and spacecraft. One major application is to allow tracking newly observed asteroids and verify that they have not been previously discovered. The basic methods were discovered in the 17th century and have been continuously refined.

7. Orbital station-keeping - Wikipedia

   en.wikipedia.org/wiki/Orbital_station-keeping

   Orbital station-keeping. In astrodynamics, orbital station-keeping is keeping a spacecraft at a fixed distance from another spacecraft or celestial body. It requires a series of orbital maneuvers made with thruster burns to keep the active craft in the same orbit as its target. For many low Earth orbit satellites, the effects of non-Keplerian ...