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Orbit Determination

  • Maxwell Noton
Part of the Advances in Industrial Control book series (AIC)

Abstract

Before changing or correcting the trajectory of a spacecraft it is necessary to have determined the position and velocity of the vehicle relative to the Sun, the Earth or a planetary body, ie. navigation is a prerequisite for guidance. Since spacecraft are usually moving in a gravitational field due predominantly to one body such as the Earth or the Sun, the estimation of position and velocity is equivalent to the determination of the orbital parameters. Even when other gravitational sources are significant, we have seen that the use of osculating (varying) orbital elements is merely an alternative characterization to the use of the six components of position and velocity.

Keywords

Orbital Element Orbit Determination Orbital Parameter Bias Term Sequential Estimation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag London Limited 1998

Authors and Affiliations

  • Maxwell Noton
    • 1
    • 2
  1. 1.British Aerospace - Space SystemsUK
  2. 2.NASA JPLUSA

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