Abstract
We present a description of the three analytical solutions of the two-body problem associated to the case of angular momentum equal to zero. The constants fintegration and their relationship with the shape and orientation of the trajectory are showed. Additionally, we propose a method for determining a rectilinear trajectory of a body plunging into the sun based on two angular observations performed from the Earth. © Acad. Colomb. Cienc. Ex. Fis. Nat. 2015References
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