Operations began on 3 July 2017 at 19:00 when the first manoeuvre was uploaded and executed. It consisted in two thrusts at 20:43 and 21:40. This first operation was successful and lowered the satellite’s orbit by 4.7 km from its initial 1,336 km orbit. The second manoeuvre took place on 4 July and lowered the orbit by another 4.5 km. The third operation took place the next day on Wednesday 5 July and lowered it another 8.9 km, followed by a fourth 8.6 km decrease on Thursday 6 July.
The final fine-tuning operation was carried out in the night between Sunday 9 and Monday 10 July. It adjusted Jason-2’s orbit by a mere 40 m! In total, the orbit was lowered by 26.7 km. All operations were carried out successfully.