What is the meaning of UB313?

A dwarf planet is a category of celestial bodies defined in a resolution passed by the International Astronomical Union (IAU) on August 24, 2006. Currently, there are three celestial bodies that have been redefined by the IAU as dwarf planets: UB313 (informally known as Xena, and now formally known as Eris) Pluto.

Which is bigger Eris or Pluto?

Eris is one of the largest known dwarf planets in our solar system. It’s about the same size as Pluto but is three times farther from the Sun. At first, Eris appeared to be larger than Pluto. Pluto, Eris, and other similar objects are now classified as dwarf planets.

What is the size of Eris?

1,163 km
Eris/Radius

What is Series 2003 UB313?

The discovery of 2003 UB313 Eris, the 10th planet largest known dwarf planet. Discovery images of the dwarf planet Eris. The three images were taken 1 1/2 hours apart on the night of October 21st, 2003. The Eris can be seen very slowly moving across the sky over the course of 3 hours. Eris is 27% more massive than …

Who found the 10th planet?

Eris (dwarf planet)

What is the closest celestial body to our earth?

Together with the Moon, Venus and Mars are the planets nearest to the Earth. All of these celestial bodies are continuously held captive to the sun by the effect of gravity; the bodies are continually forced to orbit the sun as the central body in elliptical orbits.

What is the 9th planet called?

Planet X
In 2016, researchers proposed the possible existence of a ninth planet, for now dubbed “Planet Nine” or Planet X. The planet is estimated to be about 10 times the mass of Earth and to orbit the sun between 300 and 1,000 times farther than the orbit of the Earth.

What are 5 facts about Eris?

Here are 10 things you might not know about Eris.

• An Eridian day is just slightly longer than Earth’s.
• Eris was once thought to be bigger than Pluto.
• Eris is responsible for the big debate over the definition of “planet.”
• It has its own moon.
• Initially, Eris was called Xena.
• Its surface is like Pluto’s heart.

How long is a day on Eris?

25.9 hours
A day on Eris takes 25.9 hours. Eris has one moon, Dysnomia. Pluto, discovered in 1930, orbits the sun at an average of 39.5 times the Earth’s distance. Its diameter is 1,430 miles (2,302 km).

Is there really a 10th planet?

Astronomers have found a tenth planet, larger than Pluto and nearly three times farther from the Sun as Pluto is today. It also is the largest body yet found orbiting in the Kuiper belt, the group of icy bodies including Pluto which orbit beyond Neptune. …

What is 10th planet name?

Eris
Because Eris appeared to be larger than Pluto, NASA initially described it as the Solar System’s tenth planet….Eris (dwarf planet)