Portal Space Systems develops advanced spacecraft that redefine what’s possible in space. Solar thermal propulsion empowering the next generation of space operators to maintain space superiority

Trans-orbital freedom.Mission-ready capability.

Supernova delivers sustained maneuverability across orbits, from LEO to Cislunar space and back, with a multi-year life for persistent responsiveness.

Maneuverability when you need it. On demand.

SuperNova, A maneuverable, solar-thermal spacecraft engineered for persistent delta-v, on-demand autonomy, and real-time control.

Headquartered in Bothell, Washington, the company’s flagship spacecraft, Supernova, enables high delta-v maneuverability, multi-orbit operations, and refuelability

Mission. Portal Space Systems rapidly secures orbital freedom for our customers in any orbital location between the Earth and the Moon.

Vision. Accelerating and protecting humanity’s path to solar system exploration and commerce.

Hyper-flexible. Mission-adaptable. Payload-ready.

Supernova does more than move - it enables. No matter the payload, it delivers the maneuverability to take it further.

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