各類重力助推 MEGA +EEJ trajectory彈道

[peter]

EMEJ (MEGA) trajectory for Europa Clipper

Mars-Earth-Gravity-Assist   trajectory

https://space.stackexchange.com/questions/49817/why-is-nasa-proposing-an-emej-mega-trajectory-for-europa-clipper-instead-of-ee

=> https://familystar.org.tw/index.php?option=com_smf&Itemid=45&topic=27663.0

[peter]

https://www.sciencedirect.com/science/article/pii/S0094576515002283

Incremental planning of multi-gravity assist trajectories

[peter]

EEJ  Earth Earth Jupiter   trajectory

[peter]

https://technews.tw/2020/12/15/solar-system-highway-jupiter-neptune/

重力助推  gravity assist
https://zh.wikipedia.org/wiki/%E9%87%8D%E5%8A%9B%E5%8A%A9%E6%8E%A8
在航天動力學和宇宙空間動力學中，所謂的重力助推（gravity assist；也被稱為重力彈弓效應或繞行星變軌

[peter]

JUNO  用EEJ

朱諾號在2013年10月9日再次飛近地球，利用地球進行重力助推，從而從內太陽系繞進木星


https://trajbrowser.arc.nasa.gov/traj_browser.php?NEAs=on&NECs=on&chk_maxMag=on&maxMag=25&chk_maxOCC=on&maxOCC=4&chk_target_list=on&target_list=Jupiter&mission_class=oneway&mission_type=rendezvous&LD1=2024&LD2=2025&maxDT=7.0&DTunit=yrs&maxDV=10.0&min=DV&wdw_width=-1&submit=Search#a_load_results

Trajectory Search

This page features a tool to find spacecraft trajectories to planets and small-bodies. For ideas of what to search for, view the example queries page. A user guide is also available explaining search constraints, the methodology behind trajectory computations and the important limitations of the tool.