Questions tagged [kuiper-belt]

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39
votes
4answers
5k views

If there's nothing special about Pluto, why was it discovered so early?

Pluto was recently re-classified, losing its official status as the ninth planet, because a bunch of other dwarf planets were found in its orbital region that were too numerous and insignificant to ...
11
votes
2answers
864 views

Will New Horizons seek a third target?

New Horizons will fly past the Kuiper Belt object 2014 MU69 in January 2019. This will use 56 m/s of the remaining ∆V budget of 130 m/s (1). The encounter will occur near the inner edge of the belt: ...
10
votes
2answers
361 views

How close to 2014 MU₆₉ can New Horizons get?

New Horizons is en-route to 2014 MU₆₉, where it is planned to fly by 1 January 2019. Considering fuel and other considerations, how close to 2014 MU₆₉ can it get? (At the time of writing, October ...
7
votes
1answer
392 views

Evidence of Water D/H Ratios of Kuiper Belt Comets

I was wondering, are the comets 67P/Churyumov-Gerasimenko and 103P/Hartley 2 the only Kuiper Belt comets to date that have their water D/H (deuterium-to-hydrogen) ratio measured?
5
votes
1answer
121 views

Could a Kuiper Belt object fly by probe measure star distances by parallax better than Gaia?

Could a New Horizons class probe aimed to fly by a Kuiper Belt object 100 AU from the Sun use its camera, built to image the Kuiper Belt object, to also measure distances to stars (and distant Solar ...
3
votes
1answer
191 views

What did New Horizons photograph that was close enough to be out of focus?

The picture below shows a Kuiper Belt object and a number of stars. It was recently taken by the New Horizons probe and published by NASA. The arrow points at the KBO and the rest of the bright ...
1
vote
2answers
1k views

What is different about the orbits of Pluto and the comets around the Sun? [closed]

What is different about the orbits of Pluto and the comets around the Sun?