WELCOME TO INTERORBITAL

Interorbital Systems (IOS), established in 1996, develops and manufactures low-cost, state-of-the-art manned and unmanned orbital launch vehicles for commercial, governmental, and military applications. IOS rockets are designed to be launched from land or sea. 

Two orbital launch vehicles are currently under development at IOS: the unmanned Sea Star TSAAHTO, and the manned/unmanned Neptune TSAAHTO. Each utilizes the innovative and efficient Two-Stage-And-A-Half-To-Orbit (TSAAHTO) configuration. The six-passenger Neptune TSAAHTO will serve as the primary carrier in the Interorbital Systems' orbital tourism operations and Lunar exploration ventures. Interorbital Systems is currently involved in the launch licensing process with the AST (Office of Commercial Space Transportation).  The license will allow IOS to conduct polar-orbital launches of its Sea Star TSAAHTO rocket from the Pacific Ocean off the coast of Southern California.

LATEST NEWS!

Interorbital Introduces New CubeSat Launch Opportunity! Click here to view press release!

Interorbital Systems Featured on BBC's Fast Track Travel Show Space Tourism Special! Click here to view!

Interorbital Systems Announces Lunar Sample Return Mission! Advance sale of Moon Dust and Moon Rocks!

Interorbital Successfully Tests Sea Star TSAAHTO's Guidance Computer. Preparing for Flight Test.

Interorbital Releases Neptune Rocket Design; Readies for MSLV Flight
Click here to view press release

Interorbital Systems and European Philanthropic Organization ‘Vision One’ Join Forces in Space Venture
Click here to view press release

Sea Star TSAAHTO Flight Demonstrator Modular Tankage Section Nears Completion
IOS is progressing with the construction of its Sea Star TSAAHTO orbital rocket. A demonstration launch to test guidance, telemetry, and the ocean launch system is upcoming. The rocket is designed to place a 45-pound (20.4-Kg) in polar low-earth- orbit. See See Star Construction photo above.

Interorbital Systems Opens European Liaison Office!
Located in Berlin, Germany, IOS Europe will provide satellite launch service information, Orbital Expedition Spaceline ticket reservations, and customer service for the European Community. Click Here

Neptune TSAAHTO Crew Module (CM) Flight Training Simulator Phase I Construction Completed!
The basic exterior and interior structure of the six-passenger CM (below) is complete; IOS Spacecraft Technicians and Engineers have begun Phase II: installing electronic systems and flight-simulator software.

Detailed trajectory analysis of the Sea Star TSAAHTO rocket has been completed!
Leon McKinney of McKinney Associates has completed a POST and OTIS analysis of the Sea Star TSAAHTO rocket. The results verified the orbital and payload capability of the design. Construction of the vehicle is underway.

Interorbital Systems P.O. Box 662 Mojave, CA 93502-0662
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