Japanese spacecraft reaches Venus — five years late | Science News



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Japanese spacecraft reaches Venus — five years late

Akatsuki finally arrives at its destination after a detour around the sun

6:00am, December 8, 2015
illustration of Akatsuki spacecraft

BETTER LATE THAN NEVER Five years after an engine misfire, the Akatsuki spacecraft (illustrated) just got a second chance at orbiting the planet Venus.

After missing a turn off the interplanetary expressway, a spacecraft has now finished taking the scenic route to Venus. The Japan Aerospace Exploration Agency Akatsuki probe successfully went into orbit around Earth’s sister planet at 8:51 a.m. December 7 Japan Standard Time — only five years after its first attempt.

Akatsuki has been looping around the sun since 2010, after an engine misfire prevented the spacecraft from slowing down enough to be captured by Venus’ gravity. A nudge from its remaining thrusters put the probe on an orbit that would bring it back to Venus in five years. With its main engine offline and the planet in sight, Akatsuki relied on small attitude control thrusters to slow it enough during this year’s encounter to stay for an extended visit.

The original plan was to spend two years at

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