Design method of escape orbit starting from Halo track and used for detecting deep space target
A technology of escape orbit and design method, which is applied in the field of aerospace and can solve the problems of large fuel consumption, unstable inner extension, and long flight time of escape orbit.
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[0032] The following is from the sun-terrestrial system L 1 Take the Halo orbit as an example to explore Mars, and describe the implementation of the present invention in detail in conjunction with the accompanying drawings.
[0033] The concrete steps of this embodiment are as follows:
[0034] Step 1: Calculating the periapsis state of the unstable perturbation manifold in the Halo orbit
[0035] The Halo orbit given by the mission is the sun-earth north direction, and the amplitude in the Z direction is 1.6×10 5 km. In a Halo orbit period, select 100 discrete points evenly distributed on the Halo orbit. Set the perturbation speed range to [10 -6 , 300]m / s, 50 discrete perturbation velocities are uniformly selected within this range. For each discrete point on the Halo orbit, 50 discrete perturbation velocities ΔV 1 Applied to the directions of the intrinsically unstable eigenvectors respectively, the numerical algorithm is used to integrate the corresponding intrinsic...
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