《Tab.1 Earth Escape C3, RLA, DLA, Arrival Date of Mars》

  提示：宽带有限、当前游客访问压缩模式

本系列图表出处文件名：随高清版一同展现

《世界典型火星探测发射轨道及窗口拓展分析（英文）》

1. 获取 高清版本忘记账户？点击这里登录

1. 下载图表忘记账户？点击这里登录

NASA's MAVEN mission launched in 2013 is mainly used to study the evolution of the Martian atmosphere and water presence.The launch period lasted20 days，from 18th November to 7th December，2013，see Tab.1.While the daily window lasted up to 2 hours；on special situations，the launch period can be postponed until 23rd December（up to a maximum of 36 days）.Main launch period restricted the DLA within 28°（so there is no extra loss of launch capability caused by increasing the azimuth）.The Earth's hyperbolic escape trajectory was achieved by the fixed azimuth and dynamical adjustment of the coasting time.Centaur upper stage would optimize the escape trajectory phase，if the liftoff time changed.