Abstract
Recently a new class of numerical integration methods — “mixed variable symplectic integrators” — has been introduced for studying long-term evolution in the conservative gravitational few-body problem. These integrators are an order of magnitude faster than conventional ODE integration methods. Here we present a simple modification of this method to include small non-gravitational forces. The new scheme provides a similar advantage of computational speed for a larger class of problems in Solar System dynamics.
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Malhotra, R. A mapping method for the gravitational few-body problem with dissipation. Celestial Mech Dyn Astr 60, 373–385 (1994). https://doi.org/10.1007/BF00691903
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DOI: https://doi.org/10.1007/BF00691903