New Delhi: Impulse Space has introduced a new in-space transport system, the Helios kick stage, aimed at reducing the time satellites take to reach geostationary orbit (GEO). The company claims Helios can deliver payloads to GEO in less than 24 hours, addressing delays associated with conventional orbit transfers.
Founded by Tom Mueller, former propulsion chief at SpaceX, Impulse Space is focusing on what it calls “last-mile” space transport, moving satellites from low Earth orbit (LEO) to higher orbits more efficiently. The Helios system, powered by the Deneb engine, attaches to larger launch vehicles and takes over once in space, allowing faster deployment and reducing risks linked to prolonged transfers, including exposure to radiation zones and communication lags.
The company has announced three upcoming missions that highlight its strategy. In 2026, Helios will support Anduril in a defence-focused demonstration to test rendezvous and proximity operations, generating data for satellite tracking and security purposes. By 2027, Helios will deliver Astranis’s MicroGEO satellites from LEO to GEO, a step that could accelerate broadband and satellite internet expansion. Impulse has also signed a ride-share agreement with Infinite Orbits, which plans to use Helios for cost-sharing among smaller satellite operators, following the established ride-share model seen in launch services.
Analysts note that if the technology performs as intended, it could strengthen GEO-focused satellite deployment and expand opportunities for telecommunications, defence, and Earth observation providers. Faster access to GEO may also support advances in autonomous navigation, space traffic management, and AI-enabled satellite operations.
With Helios, Impulse Space is entering a competitive market where both government and private actors are exploring solutions for more flexible and responsive access to higher orbits. The company’s upcoming missions will serve as early tests of whether same-day orbital transfers can shift how the space industry approaches deployment timelines.
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