The MESSENGER spacecraft is zeroing in on Venus for the most significant gravity assist maneuver of its long journey to Mercury.
为此次“信使”号在前往水星的长途旅程中最重要的引力机动，飞船正在对金星进行校正。
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The guidance method can meet the need of pinpoint soft landing, but its requirement for attitude change goes beyond the attitude maneuver capability of landing spacecraft.
该制导方法虽能满足精确软着陆的需要，但对姿态变化的要求超出了着陆器姿态机动能力。
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This paper investigates the robust control of large Angle maneuver for the multi-body spacecraft with model uncertainties.