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MU69: New Horizons and its Target

13 Dec 2017, 17:48 UTC
MU69: New Horizons and its Target
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We’re just a little more than a year away from New Horizons’ encounter with Kuiper Belt Object MU69. The spacecraft has now made its last trajectory correction of the cruise phase of its journey, following the 2015 flyby of Pluto/Charon, an adjustment performed to optimize science at destination. Both the Hubble instrument and the European Space Agency’s Gaia mission have supplied data that is now being used to tighten the parameters of the trajectory. Another course correction is possible in October of 2018 during the MU69 approach phase.

Image: The New Horizons spacecraft is about 483 million kilometers from 2014 MU69, the Kuiper Belt object it will encounter on Jan. 1, 2019. Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute.
This update from JHU/APL tells us that closest approach is now scheduled for 0533 UTC, or 0033 EST on January 1, 2019, which should give many New Year’s partygoers something extra to stay up for. The course adjustment was performed to optimize visibility for the antennae of the Deep Space Network, which will reflect radar waves off the surface of MU69 in an experiment that, if successful, will help determine the reflectivity of its surface.
The 2.5-minute engine burn ...

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