supported by the National Natural Science Foundation of China (Grant Nos. 10832004 and 11102006);the Fan-Zhou Foundation (Grant No. 20110502)
The periodic or quasi-periodic orbits around collinear Lagrange points present many properties that are advantageous for space missions. These Lagrange point orbits are exponentially unstable. On the basis of an analy...
supported by the National Basic Research Program of China ("973" Program) (Grant No. 2012CB720000);the National Natural Science Foundation of China (Grant Nos. 10832004 and 11102020)
In this paper,a two-level search method for searching transfer opportunities between interplanetary halo orbits,exploiting the invariant manifolds of the restricted three-body problem,is proposed.In the method,the fir...
supported by the National Natural Science Foundation of China (Grant Nos. 10832004 and 11102006);the FanZhou Foundation (Grant No. 20110502)
An analytical method is proposed to find geometric structures of stable,unstable and center manifolds of the collinear Lagrange points.In a transformed space,where the linearized equations are in Jordan canonical form...
supported by the National Natural Science Foundation of China (Grant Nos. 10832004 and 11072122)
The lunar probe may still have some remaining fuel after completing its predefined Moon exploration mission and is able to carry out some additional scientific or technological tasks after escaping from the Moon orbit...
supported by the National Natural Science Foundation of China(Grant Nos. 10832004 and 11072122)
The lunar probe often has some remaining fuel on completing the predefined Moon exploration mission and may carry out some additional tasks from the Moon orbit using the fuel.The possibility for the lunar probe to esc...
supported by the National Natural Science Foundation of China(Grant Nos. 10832004 and 11072122)
Low thrust propulsion and gravity assist (GA) are among the most promising techniques for deep space explorations.In this paper the two techniques are combined and treated comprehensively,both on modeling and numerica...
supported by the National Natural Science Foundation of China(Grant Nos. 10832004 and 11072122)
Rendezvous in circular or near circular orbits has been investigated in great detail, while rendezvous in arbitrary eccentricity elliptical orbits is not sufficiently explored. Among the various optimization methods p...
supported by the National Natural Science Foundation of China (Grant Nos 10832004 and 10672044)
Technique of target selection and profiles of transfer trajectory for Chinese asteroid exploring mission are studied systemically.A complete set of approaches to selecting mission targets and designing the transfer tr...