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Hayabusa2's superior solar conjunction mission operations: planning and post-operation results
2020
Astrodynamics
Preserved Fulltext
In late 2018, the asteroid Ryugu was in the Sun's shadow during the superior solar conjunction phase. As the Sun-Earth-Ryugu angle decreased to below 3°, the Hayabusa2 spacecraft experienced 21 days of planned blackout in the Earth-probe communication link. This was the first time a spacecraft had experienced solar conjunction while hovering around a minor body. For the safety of the spacecraft, a low energy transfer trajectory named Ayu was designed in the Hill reference frame to increase its
doi:10.1007/s42064-020-0076-7
fatcat:qkxnlekoe5cbxhnxup74cniw7e