Why did Tycho Brahe reject the idea that Earth moved around the Sun?

Tycho Brahe rejected the heliocentric model—the idea that Earth moves around the Sun—primarily because he sought to avoid what he perceived as the undesirable implications of both the Ptolemaic system and the Copernican system.1

Instead, he developed his own world system, known as the Tychonic system. In this model, Tycho retained the traditional view of Earth as a fixed, stationary center of the universe, with the Sun and Moon orbiting it, while all other planets were held to orbit the Sun.23

By proposing this hybrid arrangement, Tycho aimed to reconcile his observations with a stationary Earth, effectively avoiding the physical and cosmological challenges he associated with a moving planet. While his model was mathematically equivalent to the heliocentric view, it is now considered an unnecessary complication and physically incorrect.12