Momentus
Commercial space company providing in-space transportation infrastructure, orbital service vehicles (Vigoride), satellite buses, and hosted payload deployment—with emerging capability to integrate 3D-printed titanium propellant tanks and pressure vessels for rapid, low-cost spacecraft component manufacturing.
- CEO / Founder
- John Charles Rood
- Team Size
- 51-200
- Stage
- Public
- Total Funding
- $237M
- Latest Round
- Post-IPO
- Key Investors
- Prime Movers Lab (seed lead); Y Combinator (2017); Cota Capital Partners; Public market holders (post-IPO)
Technology & Products
Key Products
Vigoride Orbital Service Vehicle (Vigoride-5, -6, -7 missions active); Satellite buses and structural platforms; Hosted payload deployment services; Micro-propulsion and reaction wheels; 3D-printed titanium propellant tanks (Velo3D partnership); On-orbit inspection, servicing, refueling, and debris removal (roadmap)
Technological Advantage
The titanium tank demonstration represents a first-gate validation of 3D-printed pressure vessels in orbital service—part-consolidation, tailored wall thickness, and internal channel geometry are difficult to achieve via traditional weld/bolt assembly and reduce component count and lead time. However, the on-orbit proof of concept is not yet translatable to serial production claims without publication of alloy, process specifics, pressure rating, qualification standard, and multi-cycle thermal/load data. Momentus positions the capability as a route to higher unit volume and shorter build cycles for future smallsat tanks, but that production thesis remains provisional. The advantage is defensible only through design IP and the Velo3D partnership agreement; the titanium tank itself is not patented (as of public disclosure).
Differentiation
Value Proposition
Vigoride orbital service vehicle enables on-orbit repositioning, satellite deployment, payload transfer, and de-orbiting with water-fed microwave-electrothermal (MET) thrusters; partnership with Velo3D extends component manufacturing capability to rapid, consolidated metal 3D-printed pressure vessels and structural assemblies—reducing lead time and enabling design consolidation vs. traditional welded/bolted tanks.
How They Differentiate
Momentus differentiates via reusable Vigoride platform (lower per-mission cost), water-based MET propulsion (simpler logistics vs. propellant volatility), and emerging partnership with Velo3D for rapid metal-AM spacecraft components. Competitors (D-Orbit, Firefly) offer similar orbital transfer and hosted payload services but typically via single-use or legacy propulsion. Momentus's AM integration is nascent (one flight demonstration) and not yet a market differentiator vs. operational competitors; however, if serial titanium tanks prove reliable, lead-time advantage could become material.
Market & Competition
Target Customers
Small-satellite operators, commercial space customers, U.S. government (NASA, DoD, DARPA), mission integrators
Industry Verticals
Satellite operations; Space logistics; Small-satellite constellation deployment; Government/defense space missions; Commercial space infrastructure
Competitors
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Growth & Milestones
Growth Metrics
Revenue guidance $10M 2026 vs. $1.1M 2025 (9x YoY growth); Vigoride mission manifest: Vigoride-7 (March 2026, 10 NASA/DoD/commercial payloads); Vigoride-8 fully booked for 2026 launch; 150+ employees as of mid-2024, expanded to 120–131 reported by mid-2025; on-orbit holding 50+ controlled maneuvers (Vigoride-7) with 20km orbital altitude cuts; titanium tank pressure holding on-orbit (July 2026 status).
Major Milestones
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Notable Customers
NASA (Vigoride-7 hosted payloads); Defense Advanced Research Projects Agency (DARPA, Vigoride-7); U.S. Air Force (Vigoride-7 missions); Commercial smallsat operators and constellation companies (Vigoride deployment missions)