Satellite Communications

Lecture 2Orbital Aspects

Orbital Mechanics

Newton’s Laws of Motion

Concept of Force

Acceleration Inwards

Acceleration Outwards

Forces on a Satellite

Balancing the Forces

Example Circular Orbits

Orbit Limits

Developing Equations of the Orbit

Kepler’s Three Laws

Review of Ellipse Geometry

Kepler’s First Law: Elliptical Orbits

Orbit Eccentricity

Kepler’s Second Law: Equal Area Arcs

Kepler’s Third Law: Orbital Period

Solar vs. Sidereal Day -1

Solar vs. Sidereal Day -2

Solar vs. Sidereal Day -3