Everything You Always Wanted to Know about the Kinéis maneuver CONOPS :  Electrical Orbit Raising, Station-Keeping, Collision avoidance and Deorbitation

DAVID J. 1, AZEMA G. 2, ESTEBAN DONES J. 3, MONTAGNON E. 3

1 Kinéis, Toulouse, France; 2 Thales Service Numériques, Toulouse, France; 3 Centre National d'Etudes Spatiales, Toulouse, France

Kinéis is a French satellite operator established in 2018 aiming to provide global IoT connectivity through a constellation of 25 nanosatellites distributed on 5 orbital planes and located in Low Earth Orbit at an altitude of about 650 km. The 25 satellites were launched from New Zealand in a series of five missions using Rocket Lab's Electron rocket, starting in June 2024 and concluding in March 2025. 
State-of-the-art propulsion for small satellites requires extreme miniaturization, that comes with many constraints. In this paper we will explore Kinéis FDS developments and operational procedures used to provide the most automatic maneuver planning and monitoring possible in this context, as well as handle the particularities of each thruster.
We will cover all the satellite life cycles: Electrical Orbit Raising, Station-Keeping, Collision Avoidance, and End-of-Life Disposal. For each phase, we will go through the specific challenges, how they were addressed in anticipation. When the operations were performed, we will also see what kind of unexpected problems were experienced, and how they were handled.
Each phase brought its own challenges. Electrical Orbit Raising was done on several satellites at the same time, due to the scheduling of launches being very tight (one launch of 5 satellites every 2 months). With uninterrupted maneuvers during several weeks, the orbit determination and calibration of the propulsion system was tweaked while thrusts were performed. Routine station-keeping was also tuned to better accommodate the propulsion system, by reducing the number of times it was executed. Collision avoidance with an electrical propulsion presents its own challenges in terms of reactivity. And finally end of life disposal is currently being refined to accelerate the return on earth while guaranteeing the safety of the satellites in case of failure of a given satellite.