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VIGORIDE-5

Commercial Orbital Transfer Vehicle (Water Plasma Propulsion) · Momentus Space

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Vigoride-5, one of Momentus's orbital transfer vehicles, using water plasma propulsion — an unusually gentle, low-toxicity thruster technology — to ferry rideshare satellites to their individual final orbits. Momentus specifically chose water as its propellant of choice because it's non-toxic and easy to handle on the ground, a deliberate departure from the hazardous hydrazine propellants that have defined satellite propulsion for decades.

Its orbit

Orbit
Low Earth Orbitcan appear as a fast-moving star at dawn or dusk
Altitude
219–225 mi (353–362 km)
Inclination
97.3°
One orbit
91.5 minutes15.7 orbits a day
NORAD ID
55056
Int’l designator
2023-001AZ
Launched
2023

Orbital elements from CelesTrak, as of 22 Sep 2026.

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