Huracan is the second planet revolving around Caelus, its orbit an atypical horseshoe orbit with Grannus. The planet is scarred with tectonic activity and lava rivers crisscrossing the surface. Due to its potential proximity to Grannus at the end of each full orbit a rare occurrence nicknamed the "Convergence" causes a further increase in tectonic activity to happen almost every 4 years. During this occasion, Grannus and Huracan will share their atmosphere for less than three standard days. This leads to an increase in already unstable tectonics that causes jets of lava to catapult from – near, if not onto – one planet and another. The resulting increase in natural disasters prohibits any major settlement or mining operation from being a durable investment for any occupying force or organization.