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jblake95 / Orbits

Angles-only orbit determination
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Improvement algorithm not working #3

Closed jblake95 closed 5 years ago

jblake95 commented 5 years ago

Orbit improvement algorithm for the Gauss method is not working. The iterations lead to a divergence in rho_i instead of a convergence. Need to debug this.

jblake95 commented 5 years ago

Have now fixed this by using averages (between the new and previous values) of the Lagrange coefficients, as in Curtis, 'Orbital Mechanics for Engineering Students'. The example case converges upon the fourth iteration, as expected.