Pi Day is a mathematically significant occasion, and Cristiano Monteiro has made it an annual tradition to create a themed project. This year, he surprised everyone with a software project, the Orbital Pi Simulator, which explores the consequences of a spacecraft's navigation system misinterpreting the value of pi. By experimenting with different values of pi, the simulator demonstrates how a spacecraft's orbit can change dramatically, from escaping into deep space to intersecting with Earth. This interactive tool offers a unique way to understand the impact of pi on orbital mechanics. While some may argue that the scenario is unrealistic, it provides an engaging way to explore the relationship between mathematics and space exploration. Monteiro's previous projects, such as a 3D-printed pi-counting robotic hand and a Pepper's Ghost illusion calculator, showcase his creativity and passion for mathematics. His latest creation, the Orbital Pi Simulator, is a testament to his innovative approach to celebrating Pi Day.