Orbital Transfer Vehicles — Space Hardware Marketplace

In-Space Assembly and Manufacturing (ISAM) platform service

Rocket Propulsion Systems (RPS) is developing a complete In-Space Assembly and Manufacturing (ISAM) platform service for businesses that…

Helios

• Payload Capacityup to 4,000 kg
• LEO to GEO Transit Timeless than 24 hours
• Deneb Engine Vacuum Thrust67 kN (15,000 lbf)

Helios is a high-energy kick stage designed to provide same-day delivery to distant orbits for commercial, civil, and…

Mira

• OrbitsLEO, MEO, GEO, cislunar, and beyond
• Payload CapacityUp to 300 kg
• Payload Volume>1 m³

Mira is an agile spacecraft providing precise, responsive payload hosting and deployment across any orbit, with flight-proven performance…

ION Stellar Stephanus

• Launch date2025-11-28

ION Stellar Stephanus Satellite Carrier is a versatile space vehicle capable of transporting and releasing satellites into distinct…

spacehost

spacehost allows you to test your hardware and software or extend your in-orbit assets through a satellite-as-a-service model,…

spacedrop

Exotrail's spacedrop™ is a comprehensive launch and deployment service dedicated to nano, micro, and small satellites, offering last-mile…

Pushpak Orbital Transfer Vehicle

• Payload capacityup to 750 kilograms
• Δvup to 7 km/s

The Pushpak OTV is a versatile multi-mission spacecraft designed by Bellatrix for in-orbit manoeuvring, offering flexibility to deploy…

HyMOVE

• Payload capacityUp to 400 kg
• Hybrid engineN₂O/HTPB, 4 kN thrust class (combined with N₂O/C₂H₆ bi-propellant thrusters)
• Oxidizer tanksType 3 COPV

HyMOVE is HyImpulse's next-generation Orbital Transfer Vehicle (OTV) designed to provide flexible and efficient in-space transportation services.

Space Tug

The Space Tug is the maneuverable third stage of the Skyrora XL launch vehicle, enabling deployment of multiple…

SL-OMV (Small Launch Orbital Maneuvering Vehicle)

Moog's 70 kg orbital maneuvering vehicle for rideshare last-mile delivery: deploys up to six 12 kg payloads or…

OrbitSide Assist

• ServicesInspection, monitoring, refueling, repair, life extension, debris removal
• Response timeWithin 24 hours of deployment
• Operating rangeWithin 10 km of target satellite

On-orbit rapid-response service providing satellite inspection, refueling, life extension, repair, and debris management using the Optimus Viper fleet.

Optimus Viper RRV

200 kg rapid-response spacecraft for space domain awareness, proximity inspection, and satellite security operations — deployable within 24…

Orbital Transfer and Space Logistics Services

• ProductOrbital transfer vehicle (OTV) — space tug for last-mile satellite delivery
• PropulsionElectric (for efficient multi-slot orbit delivery from single rideshare drop-off)
• Problem solvedRideshare → single orbit; OTV → multiple precise constellation slots

Infinity Space (OrbitalX)'s space logistics platform — orbital transfer vehicles, last-mile satellite deployment, and in-space transportation services for…

VEDA — Vehicle for Life Extension and De-orbiting Activities

• Vehicle roleOn-orbit servicing transport vehicle
• PropulsionGreen propulsion technology
• Integrated subsystemsRIG (guidance), RAMA (robotic arm), CHAKSU (sensing)

InspeCity's on-orbit servicing transport vehicle — carries the RIG robotic guidance module and RAMA robotic arm to perform…

Smallsat Orbital Transfer Services

• ServiceOrbital transfer (space tug) from rideshare drop-off to customer target orbit
• ApplicationsSSO local time adjustment, altitude changes, constellation slot filling
• CompetitorsD-Orbit ION, Exolaunch, Momentus Vigoride

Commercial Space Technologies' (CST) orbital transfer and last-mile delivery services for smallsats — moving satellites from standard rideshare…

Orbital Debris Removal and Satellite Servicing

• ServicesRefueling (life extension), debris removal, inspection, repositioning
• Target orbitsLEO (debris) and GEO (commercial life extension)
• TechnologyAutonomous RPO (rendezvous and proximity operations), docking mechanisms

Aphelion Orbitals' in-space satellite servicing vehicles and technology for orbital debris removal, life extension, and satellite inspection missions.

Active Debris Removal (ELSA-M / ADRAS-J)

• Elsa-dLaunched March 2021 — magnetic capture demonstrator
• Elsa-mCommercial multi-satellite removal vehicle (partnership: OneWeb)
• Adras-jLaunched Feb 2024 — non-contact inspection of H-IIA debris (JAXA contract)

Astroscale's ELSA-M and ADRAS-J missions for commercial and government active debris removal — capturing defunct satellites and rocket…

Helios Orbital Transfer Vehicle

• Vehicle typeOrbital Transfer Vehicle (OTV) / Space Tug
• PropulsionHypergolic (high thrust, storable)
• Target orbitsMEO, GEO, GTO, cislunar, deep space

Impulse Space's Helios — a high-energy orbital transfer vehicle (space tug) using hypergolic propulsion for rapid maneuvering and…