Starburst is a global aerospace accelerator that connects startups with corporations, investors, and governments. Functioning as an innovation catalyst, Starburst provides startups with access to corporate stakeholders to help them scale their businesses and secure funding. They operate globally with offices in locations such as Los Angeles, Paris, Munich, Singapore, and Tel Aviv. Starburst also offers strategy consulting and venture investment services to help aerospace and defense stakeholders innovate. Key focus areas include aerospace, aviation, and defense.
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Starburst-1 will launch on SpaceX’s Transporter-18 in Q4 2026 for Portal Space Systems’ first free-flying mission with live payloads.
Starburst is designed to enhance maneuverability in proliferated space architectures.
Starburst can be maneuvered rapidly within Low Earth Orbit (LEO), Medium Earth Orbit (MEO), or Geostationary Orbit (GEO).
Starburst-1 will have a targeted maneuverability of 1 km/s of total delta-v and will host two payload partners onboard.
TRL11 will provide full-motion video with onboard edge processing to enable real-time health monitoring during the Starburst-1 mission.
Supernova’s high performance RCS thrusters will serve as the main translational propulsion for the Starburst vehicle.
Starburst-1 will fly to sun-synchronous orbit (SSO) for a one-year primary mission.
Both Starburst and Supernova share many core subsystems and manufacturing processes.
Starburst is being developed alongside Portal’s trans-orbital vehicle, Supernova, which supports transitions from LEO to cislunar space.
Portal Space Systems plans to launch the demonstrator Starburst-1 on SpaceX's Transporter-18 mission in the fourth quarter of 2026.
The Starburst spacecraft will perform a one-year flight in sun-synchronous orbit to demonstrate rendezvous and proximity operations for national security and commercial applications.
The 'Starburst' high-mobility spacecraft was announced by Portal Space Systems on November 5, 2025.
The development of Starburst aims to achieve high maneuverability across various orbits, alongside the ongoing development of the orbital transport vehicle Supernova.
Starburst is an ESPA-class vehicle designed to maneuver payloads in orbit.
Portal Space Systems will fly its new vehicle, Starburst, for the first time in 2024.
The development of Starburst is synergistic with the technology supply chain and subsystems for the Supernova vehicle.
Portal Space Systems has manifested its first Starburst on a Transporter mission scheduled for Q4 2026.
The first Starburst mission will carry three customer payloads.
Starburst Accelerator will partner with Reflex Aerospace to support development of its international business, particularly in the USA and France.
The Care in Space Challenge awards winning entrepreneurs and their companies a $100,000 equity investment and admission into Starburst Aerospace’s 13-week accelerator program.