WebName: From Greek mythology, Dione is the mythical sister of Kronus (Saturn in Roman) Size: Diameter of 1,122 kilometres (697 miles) Moon Rank: 15 th Largest in the solar … At 1122 km (697 mi) in diameter, Dione is the 15th largest moon in the Solar System, and is more massive than all known moons smaller than itself combined. It is also Saturn's fourth-largest moon. Based on its density, Dione’s interior is likely a combination of silicate rock and water ice in nearly equal parts by mass.

Dione Moon Facts - Universe Guide

WebJun 26, 2024 · It has a radius of 1,131.7 miles (1,821km). This makes it the 3rd largest of the 4 main moons. Io orbits Jupiter at an approximately 262,000 mi (421,700 km) distance from the planets center. Io takes it’s … WebDec 19, 2024 · Naiad was the last moon to be discovered during the Voyager 2 flyby in September 1989. Overview Potato-shaped Naiad is most likely made up of fragments of Neptune's original satellites, which were … god save the king football

Dione: Saturn

WebQuick Facts Discovered Aug. 28, 1789 Type Icy Moon Diameter 313 miles (504 kilometers) Orbital Period 32.9 hours Length of Day 32.9 hours Mass About 680 times less than Earth’s Moon Ocean Worlds Resource … WebMar 1, 2024 · Helene Moon Features Helene is a natural satellite of Saturn discovered in 1980. It is also called Saturn XII and Dione B. The latter name was given because Helene is the leading trojan of the larger moon Dione. Another moon sharing the orbit with Dione is Polydeuces, which is 60 degrees behind. WebFast Summary Facts About Dione! Discovered: March 21 st 1684, by Giovanni Cassini Name: From Greek mythology, Dione is the mythical sister of Kronus (Saturn in Roman) Size: Diameter of 1,122 kilometres (697 miles) Moon Rank: 15 th Largest in the solar system Orbit: Prograde and Circular Orbit Radius: 377,400 km from Saturn god save the king funeral