The two satellites lifted off on Saturday at 10:14 AM CET aboard a Rocket Lab Electron rocket from New Zealand. Following a flight of approximately one hour, they were injected into orbit and began their Launch and Early Orbit Phase (LEOP), during which the control center prepares them for operational commissioning.

A suitcase-sized CubeSat weighing around 30 kilograms, IOD-2 will play a key role in validating system definitions and transmitting initial signals, while de-risking and demonstrating essential technologies for future Celeste satellites.

The Celeste mission aims to demonstrate how Low Earth Orbit Precise Navigation Timing (LEO PNT) can bolster the resilience of current and future medium-earth orbit navigation services and exponentially optimize their performance.

The mission is currently in its in-orbit demonstration phase, an initial stage that will eventually comprise a constellation of 11 low-earth orbit microsatellites developed by two European prime contractors, including five satellites supplied by Thales Alenia Space.