Astronomers are preparing to observe the coverage of Ultima Thule

On January 1, 2019, the New Horizons apparatus will make a historic span of the Kuiper Belt 2014 object MU69, also known under the informal designation of Ultima Thule. He will become the most distant celestial body, explored by the earthly messenger.
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At the moment we know little about Ultima Thule. Therefore, scientists use every opportunity to gather more information about the object and better prepare for the upcoming passage of the “New Horizons”.
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On August 4, Ultima Thule will cover the background star. The event will give astronomers the opportunity to clarify the diameter and shape of the body, as well as to determine whether it has any satellites or rings that may pose a threat to the New Horizons. This will help professionals to calculate the most optimal distance of the span. Also, astronomers hope that the coating will clarify the value of Ultima Thule’s albedo.Knowledge of this value will allow you to determine the shutter speed with which the station should photograph the body.
Astronomers are preparing to observe the coverage of Ultima Thule Ultima, coverage, past, Also, the stars, clarify, shape, determine, opportunity, data, are, "New, also," New Horizons ", allow, make," Hubble ", data, observations

Using the data from the Hubble and Gaia space telescopes, the staff of the New Horizons mission calculated the coordinates of two 30-kilometer lanes on Earth, from where you can see the coverage. They are in Colombia and Senegal. Scientists are already in place and are preparing for the upcoming observations.
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Coverage Ulta Thule stars observed last year
Last year, Ultima Thule already made several coverings of background stars. An analysis of the data collected at that time showed that the object either has a complex shape, resembling the comet Churyumov-Gerasimenko, or is a close binary system. It was also reported that Ultima Tule has one satellite. But the subsequent recheck showed that, most likely, this is an error in data processing.

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