UNCLASSIFIED
UNCLASSIFIED
Factors Affecting Orbits
•Satellite stability in orbit is affected by many phenomena
–Initial launch errors and irregularities
–Earth’s non-spherical gravitation field
–Gravitational attraction of other objects
–Radiation pressure from the sun
–Particle flux from the solar wind
–Lift and drag from atmosphere (mainly p. o.)
–Interaction of electrical currents in the Earth’s magnetic field