adam_core.dynamics.propagation module

adam_core.dynamics.propagation.propagate_2body(orbits: Orbits, times: Timestamp, max_iter: int = 1000, tol: float = 1e-14, *, max_processes: int | None = 1, chunk_size: int = 100) → Orbits[source]

Propagate orbits using the 2-body universal anomaly formalism.

Parameters:

  • orbits (~adam_core.orbits.orbits.Orbits (N)) – Cartesian orbits with position in units of au and velocity in units of au per day.

  • times (Timestamp (M)) – Epochs to which to propagate each orbit. If a single epoch is given, all orbits are propagated to this epoch. If multiple epochs are given, then each orbit to will be propagated to each epoch.

  • max_iter (int, optional) – Maximum number of iterations over which to converge. If number of iterations is exceeded, will return the value of the universal anomaly at the last iteration.

  • tol (float, optional) – Numerical tolerance to which to compute universal anomaly using the Newtown-Raphson method.

Returns:

orbits – Orbits propagated to each MJD.

Return type:

~adam_core.orbits.orbits.Orbits (N*M)