Capstone Spacecraft Tumbling Through Space – Latest Work To Resolve Issue
Arthur T Knackerbracket has processed the following story:
The Cislunar Autonomous Positioning System Technology Operations and Navigation Experiment, or CAPSTONE, is a CubeSat that will fly a unique orbit around the Moon intended for NASA's future Artemis lunar outpost Gateway. Its six-month mission will help launch a new era of deep space exploration.
Following the recent update on CAPSTONE, mission owner and operator Advanced Space has released an update on the situation. Read the full mission update from Advanced Space.
CAPSTONE suffered an issue that caused the spacecraft to tumble beyond the capacity of the onboard reaction wheels to control and counter. This occurred during or shortly after a planned trajectory correction maneuver on September 8.
After this happened, CAPSTONE was attempting to communicate with the ground for approximately 24 hours before any telemetry was recovered. After data was received, mission controllers discovered that the spacecraft was tumbling and the onboard computer systems were periodically resetting. In addition, the spacecraft was using more power than it was generating from its solar panels.
The combined mission team - including Advanced Space, Terran Orbital, Stellar Exploration, and NASA - re-established contact with CAPSTONE using NASA's Deep Space Network (DSN) and reconfigured the spacecraft's systems to stabilize the situation while recovery plans are evaluated. CAPSTONE remains in safe mode. However, it is now power positive, meaning that it is generating more power from the solar panels than the system is using. According to navigation data collected after the issue began, the September 8 trajectory correction maneuver was likely completed or nearly complete when the issue occurred. As such, the spacecraft remains on the intended trajectory and is on course to its near rectilinear halo orbit at the Moon.
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