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  • Fourth Mercury flyby begins BepiColombo’s new trajectory

Fourth Mercury flyby begins BepiColombo’s new trajectory

Written by  Monday, 02 September 2024 06:00
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BepiColombo Mercury flyby

Teams from across ESA and industry have worked continuously over the past four months to overcome a glitch that prevented BepiColombo’s thrusters from operating at full power. The ESA/JAXA mission is still on track, with a new trajectory that will take it just 165 km from Mercury’s surface on Wednesday.

Taking BepiColombo closer to Mercury than it’s ever been before, this flyby will reduce the spacecraft’s speed and change its direction. It also gives us the opportunity to snap images and fine-tune science instrument operations at Mercury before the main mission begins. Closest approach is scheduled for 23:48 CEST

This flyby will also be the first to take BepiColombo over Mercury’s poles, helping to adjust the spacecraft’s trajectory to match that of Mercury, which is inclined compared to Earth’s orbit. We expect to be able to share BepiColombo's first stunning views of the planet’s south pole.

The first images will be downlinked a few hours after closest approach and are expected to be released on 5 September. The closest images are expected to reveal large craters, wrinkle ridges, lava plains and much more, helping scientists unlock the secrets of Mercury’s 4.6-billion-year history and its place in the evolution of the Solar System.

All images are scheduled to be released publicly in the Planetary Science Archive later in September. The first science results from data collected during the flyby will be released on 13 September.

Follow the flyby

Follow @esascience and @bepicolombo on X (formerly Twitter) for the latest updates, together with @ESA_Bepi, @ESA_MTM and @JAXA_MMO.

Image release timings are subject to change depending on actual spacecraft events and image availability.

For more information please contact:

ESA Media Relations:


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