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16 Psyche (/ ˈ s aɪ k iː / SY-kee) is a large M-type asteroid, which was discovered by the Italian astronomer Annibale de Gasparis, on 17 March 1852 and named after the Greek goddess Psyche. [10] The prefix "16" signifies that it was the sixteenth minor planet in order of discovery.
16 Psyche is the heaviest known M-type asteroid with a mean diameter of 220 kilometres (140 mi), ... Look inside terrestrial planets, including Earth, by directly ...
On January 4, NASA announced a future mission to explore a Massachusetts-sized asteroid known as 16 Psyche. ... We've explored terrestrial planets, gas giants, and a range of other bodies orbiting ...
For the giant planets, the "radius" is defined as the distance from the center at which the atmosphere reaches 1 bar of atmospheric pressure. [ 11 ] Because Sedna and 2002 MS 4 have no known moons, directly determining their mass is impossible without sending a probe (estimated to be from 1.7x10 21 to 6.1×10 21 kg for Sedna [ 12 ] ).
Later this year, NASA is sending a spaceship to an asteroid called "16 Psyche." The sheer volume of metal on the asteroid is staggering—and incredibly valuable.
With approximately as much iron as the world produces in 100,000 years, 16 Psyche is one such asteroid worth approximately $10 quintillion in metallic iron and nickel. [7] NASA is planning a mission for October 10, 2023 for the Psyche orbiter to launch and get to the asteroid by August 2029 to study.
Asteroids are given minor planet numbers, but not all minor planets are asteroids. Minor planet numbers are also given to objects of the Kuiper belt , which is similar to the asteroid belt but farther out (around 30–60 AU), whereas asteroids are mostly between 2–3 AU from the Sun or at the orbit of Jupiter 5 AU from the Sun.
16 Psyche: Psyche: NASA: 13 October 2023 (launch) August 2029 (arrival) orbiter en route Selected for mission #14 of NASA's Discovery Program to explore a metallic asteroid. 2023-157A [49] 1998 KY26: Hayabusa2: JAXA: 2030 flyby en route flyby of a fast rotator asteroid 2014-076A [55] Patroclus and Menoetius: Lucy: NASA: March 2033 flyby en route