Starfish Space Loses Contact With First Otter Servicing Spacecraft
Technical glitch ends NASA-backed mission aimed at demonstrating orbital debris removal technologies.
1Mission Ends Prematurely
Seattle-based startup Starfish Space confirmed the loss of its Otter 24C satellite on November 3. The spacecraft, which launched on October 1 via SpaceX, suffered a critical communication failure while in low Earth orbit. This anomaly occurred during the commissioning phase, effectively terminating the ambitious mission before any operational objectives were achieved.
2NASA Partnership Objectives
The mission was part of NASA’s Small Spacecraft Propulsion and Inspection Capability project. Its primary goal was to demonstrate essential technologies for future debris removal, repair, and maintenance of active satellites. These capabilities are vital for advancing in-space manufacturing and assembly goals, ensuring a more sustainable and functional operating environment in orbit.
3Root Cause Analysis
An investigation by Starfish Space, NASA, and Astro Digital identified the cause of the failure. A fault protection error within the satellite bus, provided by California-based Astro Digital, triggered a radio shutdown. This specific malfunction prevented ground teams from re-establishing contact, rendering the 335-kilogram spacecraft permanently unrecoverable in its current orbital position.
4Operational Impact
Otter 24C was designed to perform detailed visual inspections of up to four inoperable space objects over two years. By failing to reach the rendezvous phase, the mission missed its chance to test these critical proximity operations. However, the company is already implementing technical fixes to prevent similar bus errors in future missions.
5Ongoing Prototype Progress
Despite the loss, Starfish Space continues other activities in low Earth orbit with its Otter Pup 2 prototype. Launched in June 2025, this craft recently achieved a milestone by operating just 25 meters away from Gilmour Space’s ElaraSat. This proximity demonstrates the company's ability to execute intricate maneuvers and gather detailed imagery.
6Historic Docking Ambitions
Otter Pup 2 has successfully completed the characterization phase of its mission and is now preparing for a historic docking attempt. While private satellites have docked in geostationary orbit previously, such a maneuver has never been performed in low Earth orbit. Success would mark a significant technical achievement for the private space sector.
7Future Development Strategy
Starfish Space maintains that the data gathered from the Otter 24C mission will contribute to the success of future iterations. The company remains committed to making satellite servicing a routine capability. By refining their operational procedures and hardware, they aim to solidify their position as a major player in the nascent servicing market.
8Industry Context
The incident highlights the inherent risks of developing complex autonomous systems for the space environment. As companies push for more sophisticated in-orbit maintenance, the balance between innovation and reliability remains a primary challenge. Lessons learned from this failure will likely influence the design standards for future commercial servicing spacecraft across the industry.
Original article: Space.com — Starfish Space Loses Contact With First Otter Servicing Spacecraft