Project Parhelion is the next rocket being built by DanSTAR. It utilizes the upgrades made during the project Fornax campaign and builds on key systems like landing, the outer shell, and the flight computer.

The Rocket

The rocket is planned to be roughly 4m tall with a 220mm diameter. It will be propelled by the Gnome Child Mk IV engine using a mixture of N2O as oxidizer, isopropyl alcohol (IPA) as fuel, as well as water and tetraethyl orthosilicate (TEOS). As the TEOS is burned inside the combustion layer it creates a ceramic layer that coats the inside of the engine and reflects excess heat.
The team plans on using the fuel and oxidizer tanks as structural support instead of using an inner frame to reduce overall mass. This decision came after a research trip to Copenhagen Suborbitals in late 2025.