Orbital Elements In Satellite Communication
You could use spherical coordinates or euler angles.
Orbital elements in satellite communication. There are many different ways to mathematically describe the same orbit but certain schemes each consisting of a set of six parameters are commonly used in astronomy and orbital mechanics. Any orbit requires 6 elements to specify the position and motion fully. The effects on the orbit plane of. A typical satellite link involves the transmission or uplinking of a signal from an earth station to a satellite.
Satellite communication has two main components. Following are the orbital elements. They will make you physics. Orbital elements orbital elements are the parameters which are helpful for describing the orbital motion of satellites.
Epoch is a number simply stating the time at which that snapshot was taken. Semi major and semi minor axis the general elliptical orbit of a planet orbiting its closest star is seen in figure 1. Pdf for a geostationary satellite north south station keeping maneuver must control the inclination elements. It is zero at perigee.
For the love of physics walter lewin may 16 2011 duration. Orbital elements are the parameters required to uniquely identify a specific orbit. Lectures by walter lewin. Orbital control often called station keeping is the process required to maintain a satellite in its proper orbit location.
Since we live in 3 d space it s equivalent to 3 spatial dimensions and 3 velocities. Find the orbital elements of a geocentric satellite whose inertial position and velocity vectors in a geocentric equatorial frame are r 2500ˆi 16 000ˆj 4000 ˆk km v 3ˆi ˆj 5ˆk km s ans. In celestial mechanics these elements are considered in two body systems using a kepler orbit. Semi major axis eccentricity mean anomaly argument of perigee inclination.
These six parameters are called the keplerian elements or orbital elements. The ground segment which consists of fixed or mobile transmission reception and ancillary equipment and the space segment which primarily is the satellite itself. The tracking telemetry command and monitoring ttc m subsystem. You could use x y z for the position and vx vy vz for the velocities.
Mean anomaly simply states the location of the satellite w r t perigee. It consists of basics of orbital parameters of satellite communication. The heaviest body in the keplerian orbit here seen as a star is in one of the focal points of the orbiting satellite the planet.