POLARIS Raumflugzeuge GmbH is a German aerospace startup developing reusable space transportation systems that take off and land like conventional aircraft. The company's work focuses on reusable spaceplane development, aerospike engine technology, and hypersonic flight. Its stated goal is to provide a high-performance launch vehicle for small and medium satellites.
The company has built and flown scaled demonstrators and has conducted linear hot-fire tests of an aerospike engine, a propulsion concept known for its altitude-compensating nozzle design. POLARIS operates from Germany, focusing on the space transportation and satellite launch sectors.
