Portal Space Systems, founded in 2021 and based in Seattle, is a space startup focused on revolutionizing in-space maneuverability. They are developing the Supernova satellite bus, a payload-agnostic platform powered by a novel solar-thermal propulsion system designed for rapid orbital transfers. With funding from the Department of Defense and Space Force, Portal aims to provide tactical responsiveness and dynamic space operations capabilities. Their primary customer is the U.S. government, specifically the Space Force. Key words: satellite bus, solar-thermal propulsion, in-space mobility, space tug, maneuverability.
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Portal Space Systems is developing the Supernova spacecraft for a 2027 debut.
Portal Space Systems was a customer on Momentus’ Vigoride 7 vehicle, which launched on SpaceX’s Transporter-16 mission.
Portal Space Systems’ Supernova and Starburst spacecraft are intended to help payloads from rideshare launches reach specific orbits and enable end-of-mission deorbiting.
Booz Allen Ventures, Ark Invest, AlleyCorp, and FUSE participated in Portal Space Systems’ Series A round.
Geodesic Capital and Mach33 led Portal Space Systems’ $50 million Series A round.
Booz Allen Ventures, ARK Investments, AlleyCorp, and FUSE participated in Portal Space Systems’ Series A round.
Portal Space Systems is developing the Starburst ESPA-class rapid-maneuverability spacecraft.
Portal Space Systems raised $50 million in a Series A round.
Portal Space Systems is developing the Mini-Nova and Starburst spacecraft for in-space mobility missions.
Portal Space Systems and Paladin Space may eventually target other orbits and use Portal Space Systems’ larger Supernova spacecraft.
Portal Space Systems’ Debris Removal as a Service offering will use Portal’s Starburst spacecraft and Paladin Space’s Triton payload.
Starlab Space has signed a letter of intent with Portal Space Systems and Paladin Space to integrate debris removal services into future station operations.
Portal Space Systems and Paladin Space are partnering on a mission to advance orbital-debris-removal technology into an economically viable commercial service.
Portal Space Systems and Paladin Space are teaming up to offer regular commercial debris removal missions.
Portal Space Systems and Paladin Space are targeting a 2027 deployment focused on low-Earth orbit.
Portal Space Systems’ Starburst spacecraft will serve as the operational platform for Debris Removal as a Service.
Portal Space Systems’ Starburst spacecraft will maneuver through space to locate pieces of orbital debris.
Portal Space Systems and Paladin Space are pitching Debris Removal as a Service, a recurring commercial model designed to remove multiple debris objects during a single mission.
Starlab Space is the first customer for Portal Space Systems’ and Paladin Space’s Debris Removal as a Service offering.
Atomic-6 is using Portal Space Systems’ mission flights to transition Space Armor tiles from operational testing toward commercial use.