Momentus announces new launch and transportation service with Australia’s Gilmour Space

Momentus Inc., a commercial space company offering in-space infrastructure services, and Gilmour Space Technologies, a leading hybrid rocket company based in Queensland, Australia, today announced a new agreement for launch and orbital transport services.

The Eris heavy rocket

Under the agreement, Momentus will gain access to low inclination and equatorial orbits using Gilmour Space’s Eris launch services. With Momentus’ Vigoride transportation service, Gilmour Space will have the capability to expand the flight domain of the Eris rockets (the company has several larger models planned coming to market beginning in 2023) and enable constellation deployments and missions beyond low Earth orbit (LEO). Gilmour Space has the option to bookup to three Vigoride charter missions for orbital transfer services from Momentus over the 2023-2025 period, while Momentus will purchase one dedicated Eris launch service from an Australian launch site.


“Momentus is proud to announce another partnership with the Australian space industry, shortly after sealing an agreement to launch Skykraft’s satellite in 2021,” said Mikhail Kokorich, CEO of Momentus. ”We are looking forward to supporting ambitious projects in partnership with Gilmour Space, such as flagship missions with the Australian Space Agency and development of sovereign space capabilities with the local industry.”


Gilmour Space is a venture-backed rocket company in Queensland, Australia that is developing new launch vehicles powered by lower-cost hybrid propulsion technologies. The Eris launch vehicle will debut its services in 2022 and offer lift-off capability to LEO in the 300kg class. A more capable variant, Eris Heavy, is intended to be commercially available in 2025 with a lift off capacity up to two tons. The Eris family of launch vehicles will launch from Australian and international launch sites, offering access to low inclination as well as Sun-synchronous orbits.


“This is the first international contract we’ve announced this year, and a great example of how innovative companies are coming together to accelerate development and provide new access to space,” said Gilmour Space CEO, Adam Gilmour.

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