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Sirius Space Services partnered with US-based consulting and venture-investment firm Starburst for its study.
Portal Space Systems’ Starburst and Supernova vehicles are designed to operate across and between multiple orbital regimes, enabling responsive mobility for a range of missions.
Portal Space Systems incorporated Atomic-6’s Space Armor tiles into its Starburst-1 mission to expand sustained maneuverability and longer operational time on orbit for customers.
The goal of Atomic-6's Space Armor tile system is to protect Portal Space Systems’ Starburst-1 satellite.
Starburst features bidirectional payouts so wins can be calculated from left to right and from right to left.
Zenno will demonstrate superconducting magnet technology for fuel-free control authority and precision interactions during close operations with Starburst-1.
Supernova’s high performance RCS thrusters will serve as the main translational propulsion for the Starburst vehicle.
Starburst will be available for customer missions in 2027.
The Starburst-1 mission will demonstrate rendezvous and proximity operations (RPO), rapid re-tasking, and rapid orbital change for national security and commercial use cases.
Starburst-1 will launch on SpaceX’s Transporter-18 in Q4 2026 for Portal Space Systems’ first free-flying mission with live payloads.
Starburst can be maneuvered rapidly within Low Earth Orbit (LEO), Medium Earth Orbit (MEO), or Geostationary Orbit (GEO).
Starburst is designed to enhance maneuverability in proliferated space architectures.
The 2026 Starburst-1 mission will demonstrate the Starburst product while validating key systems for Supernova.
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.
Zenno's payload will utilize the world’s most powerful magnetic actuator ever built and flown to space for the Starburst-1 mission.
Starburst-1 will have a targeted maneuverability of 1 km/s of total delta-v and will host two payload partners onboard.
Portal Space Systems has introduced Starburst, an ESPA-class rapid-maneuverability spacecraft.
The development of Starburst aims to achieve high maneuverability across various orbits, alongside the ongoing development of the orbital transport vehicle Supernova.
The 'Starburst' high-mobility spacecraft was announced by Portal Space Systems on November 5, 2025.