Asteroids may contain valuable minerals.A method to exploit asteroid mines is to transfer them closer to the Earth for further mining processes.In this work,we optimally mount a set of fixed-angle spacecraft thrusters...
the support from the National Key R&D Intergovernmental Cooperation Program(2023YFE0102300/2022YFE0133700);the Regional Collaborative Innovation Project of Xinjiang(2022E01013);the National Natural Science Foundation of China(12173078);the“Belt and Road”Innovative Talent Exchange Program(DL2023046004)。
Theδ-Cancrid meteoroid stream forms four active meteor showers which are observable on the Earth annually during January–February and August–September.The stream's definite parent comet has not been established.We ...
supported by the Strategic Priority Research Program on Space Science,the Chinese Academy of Sciences(No.XDA1502030505)。
In history,the Earth has encountered frequent and massive impacts.Until today,it is still a collided target for Potentially Hazardous Objects(PHOs),gradually making planetary defense a concerned and important research...
funded by the National Natural Science Foundation of China(Grant No.12003054);Strategic Pilot Science and Technology(Project No.XDA3000000).
This study aims to assess the autonomous navigation performance of an asteroid orbiter enhanced using an inter-satellite link to a beacon satellite.Autonomous navigation includes the orbit determination of the orbiter...
supported by the National Natural Science Foundation of China(Nos.12222202 and 11972075).
The tradeoff between accuracy and efficiency in gravitational field modeling for binary asteroid landing is one of the challenges in dynamical analyses.Four representative gravitational modeling methods are employed a...
financial support from the Science Research Foundation of Yunnan Education Department of China(grant 2020J0649);the Natural Science Foundation of Yunnan Province(grant 202101AU070010);the financial support from the Hundred Talents Program of Yuxi(grant 2019-003)。
The shapes and rotation states(periods and pole orientations)of main-belt asteroids are important for understanding their formation and evolution.In order to obtain sufficient photometric data covering different appar...
The characteristics of asteroids are vital parameters for planning asteroid exploration missions.These characteristics have been explored in close range for some typical asteroids,and are summarized in the article.Thi...
supported by Basic Research Project of China(grant No:JCKY2020110C096);the National Key R&D Program of China (grant No:2020YFC2201202)。
As the second of Earth's Trojan asteroids, 2020 XL_(5) is worthy of rendezvous and even sample return missions in many aspects. In this paper, a rendezvous mission to Earth's second Trojan asteroid 2020 XL_(5) is prop...
For deep-space mission design,the gravity of the Sun and the Moon can be first considered and utilized.Their gravity can provide the energy change for launching spacecraft and retrieving spacecraft as well as asteroid...