Jupiter

Jupiter is the fifth planet in the Solar System.

History
Jupiter was discovered in 1610, but it's naming by the Romans goes thousands of years prior. The 5 moons of Jupiter were named by Galileo around the same year.

The flyby of Voyager 1 in 1979 allowed the world to see Jupiter in more detail. Data that the planet did not know of included a closer look at Jupiter's 4 moons (Cadmus could not be accurately imaged due to it's distance), and took over 19,000 images before heading on to Saturn.

In the 2000s and 2010s, new interest in Jupiter arose from scientists across the planet. This led to the launching of several probes including Galileo and Juno, which analyzed the planet and it's moons. This was the first decade in which Cadmus was finally imaged, revealing a red cratered surface and the only visible atmosphere besides Titan.

The year 2017 was a grand year for science on Jupiter. This year had the lander CADBURY and an impactor land and hit Cadmus, and currently is active to the Norf day.

Differences
Jupiter has several differences from normal Jupiter in reality. This includes the following two: Among minor details that are often very similar to the normal real life Juptier, it is quite different.
 * The Great Red Spot is absent
 * Jupiter now has a fifth and potentially sixth major moon (Cadmus, Minerva)