NASA Tests Dual-Mode Propulsion CubeSat Ahead of Launch
Innovative propulsion system aims to make spaceflight safer and more efficient.
1Innovative Propulsion System
NASA’s ASCENT Propulsion Dual Mode mission introduces a groundbreaking propulsion system for small satellites. Unlike traditional spacecraft, which require separate propulsion systems for high-thrust and low-thrust maneuvers, this CubeSat uses a single, non-toxic fuel tank to power both types of engines. This integration reduces mass and volume, allowing for more scientific instruments and cost-effective launches on smaller rockets.
2Collaborative Development Effort
The mission is a nationwide collaboration, with NASA’s Marshall Space Flight Center managing the project. Key components include electrospray thrusters developed by MIT, a chemical propulsion module built by Plasma Processes, and a spacecraft bus integrated by Georgia Tech. This multi-team effort ensures the propulsion system’s functionality and reliability, addressing both small and large technical challenges.
3Rigorous Testing Process
Before launch, the CubeSat underwent extensive environmental and physical tests at NASA’s Marshall Space Flight Center. These included thermal vacuum testing to simulate space conditions, spin tests to measure mass properties, and pressurized helium leak tests to ensure fuel line integrity. These tests are crucial for verifying the spacecraft’s ability to withstand the harsh environment of low Earth orbit.
4Thermal Vacuum Testing
The CubeSat was subjected to thermal vacuum testing to mimic the extreme temperature swings and lack of air in space. Engineers placed the spacecraft in a specialized vacuum chamber to ensure its electronics, thrusters, and mechanical systems would operate normally in orbit. This step is vital for validating the spacecraft’s readiness for the unforgiving conditions of space.
5Spin Test for Stability
A spin test was conducted to measure the CubeSat’s mass properties and center of gravity. This ensures the spacecraft remains balanced and stable in orbit, allowing its antennas to communicate with Earth and its solar panels to accurately capture sunlight. Proper balance is critical for maintaining the correct attitude during maneuvers.
6Mission Objectives
The ASCENT Propulsion Dual Mode mission aims to demonstrate the effectiveness of a single propulsion system for both high-thrust and low-thrust maneuvers. Once deployed, the CubeSat will perform orbit-raising and lowering maneuvers over nine months, alternating between its engines. Success would validate the dual-mode concept, paving the way for more efficient future missions.
7Launch Details
The CubeSat is scheduled to launch no earlier than October 1, 2026, aboard a SpaceX Falcon 9 rocket from Vandenberg Space Force Base in California. It will be deployed into an orbit approximately 325 miles above Earth, where it will begin its mission to test the dual-mode propulsion system in space.
8Impact on Future Missions
If successful, the ASCENT Propulsion Dual Mode mission could revolutionize small satellite design by reducing the need for multiple propulsion systems. This innovation would allow for more efficient use of spacecraft mass and volume, enabling more scientific payloads and cost-effective launches. The mission represents a significant step forward in space exploration technology.
Original article: NASA — NASA Tests Dual-Mode Propulsion CubeSat Ahead of Launch