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Fig. 4 | Earth, Planets and Space

Fig. 4

From: AKATSUKI returns to Venus

Fig. 4

VOI-R1 geometry with the Venus center coordinate. After VOI-R1, the apoapsis altitude was ~440,000 km and the orbital period was 13 days and 14 h (green line). A trim maneuver was performed at the first periapsis, and then, the apoapsis altitude changed to ~360,000 km and the period was 10 days and 12 h (violet line)

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