SpaceX Drastically Reduces the Rate at Which It Deorbits Starlink Satellites
Operational data reveals a significant change in SpaceX's strategy for maintaining its megaconstellation. The company has considerably slowed the number of Starlink satellites it directs toward the atmosphere to be destroyed, pointing to a new phase of maturity for the project. 🛰️
A Constellation Reaching Its Operational Equilibrium
The comparison between semesters is telling. While in the first six months of the year there were 472 controlled reentries, the figure dropped to 218 between June and November. This decrease in the deorbiting rate is not random. It suggests that the first satellites, many of them prototypes or with a planned shorter longevity, have already completed their mission. The current models in orbit demonstrate greater technical reliability and superior maneuvering capability, allowing them to operate for longer.
Key factors behind the reduction:- Replacement of old units: The initial phase of massive deployment, which included test satellites, has largely concluded.
- Improved reliability: New generations of Starlink satellites are designed to last longer and have fewer failures.
- Optimized procedures: SpaceX has refined its operations to manage orbital traffic and the end-of-life of each satellite.
Actively managing the end-of-life of satellites is a fundamental pillar for limiting space debris.
Positive Impact on Space Sustainability
This trend change has direct implications for orbital safety. A lower and more predictable deorbiting rate is a positive signal, as it indicates that the company can comply with debris mitigation protocols. The ability to direct satellites toward a reentry that fully consumes them in the atmosphere is crucial for minimizing risks and keeping useful orbits clear.
Benefits for the space environment:- Lower collision risk: By controlling reentry, obsolete satellites are prevented from becoming uncontrolled debris.
- Operational transparency: A constant and planned rate allows other agencies and companies to better predict orbital activity.
- Regulatory compliance: It reflects adherence to international guidelines for operating responsibly in space.
The End of the Great Orbital Cleanup?
It seems that the intensive phase of 'garage cleaning' to remove the oldest satellites may be coming to an end. However, this does not mean the work is finished. The future will depend on the actual longevity of the current fleet and the cycles of replacement by new generations of satellites. SpaceX will need to maintain this balance between innovation, operability, and space environmental responsibility in the coming years. 🔭