It is the largest known trans-Neptunian object by volume, by a small margin, but is less massive than Eris. Like other Kuiper belt objects, Pluto is made primarily of ice and rock and is much …

Jan 11, 2024 · Pluto Atmosphere Surface Pressure: ~13 microbar Surface temperature: 24 - 38 K (-247 - -233 C) Scale height: ~18 km lower atmosphere, ~50 km above 30 km Mean molecular …

Mar 18, 2016 · Although all of the planets beyond Mars are gas giants, Pluto is small and rocky. The tiny body has a mass of only 1.31 x 10 22 kilograms, about two-tenths of a percent of …

Nov 5, 2024 · Pluto is a complex and mysterious world with mountains, valleys, plains, craters, and glaciers. It is located in the distant Kuiper Belt. Discovered in 1930, Pluto was long …

Jan 19, 2025 · Pluto’s mean distance from the Sun is about 5.9 billion km (3.7 billion miles or 39.5 astronomical units). Is Pluto's orbit circular or eccentric? Pluto's orbit is more elongated, or …

Sep 12, 2024 · How far is Pluto from the Earth? Why isn’t Pluto a planet? Read this article to get answers to these and many other questions!

Mar 22, 2024 · The Planetary Fact Sheet provides key information about the planets in our solar system, including their size, mass, and distance from the Sun.

The mass of Pluto is less than .024 percent than that of earth (1.31×10_22 kg). That is roughly seven times (.0021) the mass of Earth. Its diameter is 2,390 km, which is relatively smaller …

Through careful measurements of new images, scientists determined that Pluto is actually larger than previously thought: 2,370 kilometers in diameter. Because of the orbital interactions …

Apr 26, 2008 · Plugging in the orbital information for Pluto and its moon Charon, astronomers calculated its mass to be 1.31 x 10 22 kg – less than 0.24% the mass of Earth.