Abstract Most analyses of tethered satellite systems have been focused on the relative motion of the satellites either with respect to each other, or with respect to their center of mass. In this paper, we consider how the motion of one of the satellites in a two-body tethered system is perturbed by the presence of the other. This point of view is necessary if the orbits of the satellites in such a system are to be determined correctly when the fact that they are tethered is not known a priori. Rather general equations of motion for the satellites are derived. These equations are simplified by assuming planar motion. From the simplified equations, an expression for an “apparent” gravitational constant is derived. Then, the identification and state determination problem is addressed. Examples obtained using a conventional least-squares batch processor are discussed. It appears that a two-stage method, using both two-body and tethered satellite dynamic models, is a good way to identify and determine the states of some tethered satellite systems.
Dynamics and Orbit Determination of Tethered Satellite Systems
1998
Article (Journal)
English
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