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Pluto (minor-planet designation: 134340 Pluto) is a dwarf planet in the Kuiper belt, a ring of bodies beyond the orbit of Neptune. It is the ninth-largest and tenth-most-massive known object to directly orbit the Sun. It is the largest known trans-Neptunian object by volume, by a small margin, but is less massive than Eris.
New Horizons captured its first (distant) images of Pluto in late September 2006, during a test of the Long Range Reconnaissance Imager. [24] The images, taken from a distance of approximately 4.2 billion kilometers, confirmed the spacecraft's ability to track distant targets, critical for maneuvering toward Pluto and other Kuiper belt objects.
In a soft, clear voice, she confirmed that the New Horizons spacecraft had flown within 7,800 miles of Pluto and survived. In the following days, the spacecraft transmitted images that revealed for the first time what the surface of Pluto looks like.
In January 2006, the New Horizons spacecraft was launched from Cape Canaveral Space Launch Complex 41 on a mission to visit Pluto. To accelerate toward its target, the spacecraft used an Earth-and-solar escape trajectory , achieving a speed of approximately 16.26 km/s (10.10 mi/s; 58,500 km/h; 36,400 mph), and later performed a gravity assist ...
It is about half the diameter and an eighth the mass of Pluto, a dwarf planet that resides in a frigid region of the outer Solar System called the Kuiper Belt, beyond the most distant planet Neptune.
NASA launched the New Horizon spacecraft in 2006 to learn more about the icy dwarf planet Pluto. Here are some of the first photos from that mission, taken from between 125 and 115 million miles away.
These were the closest images taken of a Kuiper belt object besides Pluto and Arrokoth as of February 2018. [ 192 ] [ 193 ] The dwarf planet Haumea was observed from afar by the New Horizons spacecraft in October 2007, January 2017, and May 2020, from distances of 49 AU, 59 AU, and 63 AU, respectively.
The following is a list of Solar System objects by orbit, ordered by increasing distance from the Sun. Most named objects in this list have a diameter of 500 km or more. The Sun, a spectral class G2V main-sequence star; The inner Solar System and the terrestrial planets. 2021 PH27; Mercury. Mercury-crossing minor planets; Venus. Venus-crossing ...