Impulse Space, founded in 2021 by ex-SpaceX engineer Tom Mueller, is an in-space transportation company and space tug provider. It develops orbital transfer vehicles like Mira and Helios to move satellites and payloads from LEO to other orbits, including GEO, lunar, and Martian destinations. Impulse Space has partnered with companies like Relativity Space, Exolaunch, and Anduril, and was selected by NASA as a launch service provider under the VADR contract.
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Vast tested Haven Demo’s guidance, navigation and control, flight computers, data networks, radio communications, and Impulse Space’s Saiph thrusters in orbit.
Lanyue has a combined impulse of 5,100 meters per second across its two-module design.
Progress MS-32 produced an impulse of 0.62 m/s during the 13 March 2026 ISS orbit-raising maneuver.
SES is developing meoSphere, a next-generation multi-mission MEO network, in collaboration with New Space partners Impulse Space, Infinite Orbits, and K2 Space.
The LY-2 engine has a specific impulse of 300 seconds.
Lieyan-2 generated 10 tons of thrust during the recent test with a specific impulse of 300 seconds, quadrupling the previous world electric-pump-fed engine thrust record held by Rocket Lab’s Rutherford.
The superconducting MPDT's specific impulse of 3,265 seconds represents an order of magnitude improvement in propellant efficiency compared with typical chemical rockets.
Higher specific impulse in the superconducting MPDT can sharply reduce fuel requirements and launch costs for spacecraft that require large velocity changes or extended operational lifetimes.
Experimental results from the superconducting MPDT show a specific impulse of 3,265 seconds with an input power of 12 kilowatts.
The 8-cm XIP thruster offers high specific impulse similar to other gridded ion thrusters.
Julia Vyborny is Director of Propulsion at Impulse Space, led design and successful flight of the Mira spacecraft, and is responsible for developing Impulse’s Deneb oxidizer‑rich staged combustion engine.
SES is the first commercial customer for Impulse Space’s Helios kick stage mission.
Impulse Space identifies gaps in U.S. situational awareness in higher orbits, specifically Geostationary Orbit and likely Medium Earth Orbit, due to foreign rendezvous-proximity operations around U.S. assets.
Under the agreement, Galaxia will provide MissionOne framework and mission execution expertise and Impulso.Space will manage launch access and integrated logistics capabilities.
Galaxia signed the multi-launch deal with Impulso.Space at Space Tech Expo Europe in Bremen in fall 2025.
Galaxia Mission Systems signed a multi-launch agreement with Impulso.Space in support of its MissionOne program.
Astrox’s SpaceSIDE model for the New Glenn upper stage used a BE-3U engine design with a specific impulse of 463.5 seconds.
In 2024 the Space Development Agency awarded six study contracts worth a combined $1.9 million to Starfish Space, Arkisys, Impulse Space, Quantum Space, Sierra Space, and SpaceWorks Enterprises to study the feasibility of deorbiting PWSA satellites.
Starfish Space completed an autonomous rendezvous and proximity operations demonstration in Low Earth Orbit with Impulse Space during which Starfish’s payload autonomously controlled the LEO Express 2 Mira and brought it within approximately 1,250 meters of the LEO Express 1 Mira.
The Impulse Space Mira spacecraft that launched in November on SpaceX Transporter-15 includes one panel and two hinges designed by Samara Aerospace.