Transcription of Satellite Orbit Dynamics - Aerospace Lectures
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Satellite Orbit DynamicsDr Ugur GUVENA poapsis-Periapsis Apoapsisis the furthest position in an Orbit around a primary (apogee, aphelion etc) Periapsisis the nearest position in an Orbit around a primary (perigee, perihelion etc)Vernal Equinox Equatorial Plane The vernal equinox is an imaginary point in space which lies along the line representing the intersection of the Earth's equatorial plane and the plane of the Earth's Orbit around the Sun or theecliptic. Sun passes through the vernal equinox, about March 21, marking the beginning of spring in the Northern HemisphereHeliocentric Coordinate SystemEpoch Epochis a moment in time used as a reference point for some time-varying astronomical quantity, such as thecelestial coordinatesor ellipticalorbital elementsof acelestial body, because thes
Sample Orbit Determination •If the space shuttle is in an altitude of 250 km in a circular orbit, then calculate the period of the orbit and its speed. •The radius of the orbit= 6378.14 km + 250 =6628.14 •The period of the orbit is : •The velocity of the Shuttle is: 5370.30 89 min 30 sec 2 6628.143 / 2 s k T S km s x x m s r k V 7.72 ...
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