It has been four difficult days due to three launch aborts: two delays due to bad weather conditions and one because of an anomaly on the Soyuz rocket. Finally Sentinel-1B has been placed into orbit.
After months of preparation the Sentinel-1B teams have rehearsed the launch preparation and flight procedures to perfection, baring remarkable similarities to a musical ensemble preparing for their final piece. The preparation activities compounded with the additional launch delays have exhausted the teams to their limits but the effort has been worth it: Sentinel-1B is finally flying.
Liftoff team.
Despite the delays, Sentinel-1B remained resolute during each of the aborted countdowns with the closely monitored telemetry readings almost identical to her twin sister, Sentinel-1A.
Sentinel-1B is now orbiting the Earth in the dark silence of space. But not alone! She is now flying in formation with Sentinel-1A. The two satellites will eventually fly in the same orbit, 180 degrees apart. Sentinel-1B will soon join her sibling, Sentinel-1A, to extend the essential services to the users and make Sentinel-1 the first complete mission for Copernicus.
There is a big difference between the idea of wanting something, the desire to obtain it and the intent to get it.
The launch activities are not yet over, the three Fly-your-Satellite Cube-Sats and the Microscope spacecraft will separate in the next hours. I now sit powerless in the Jupiter Control Room, in Kourou, sharing the hopes of Microscope and the tiny Cube-Sats bidding my farewell to a good child that has got to leave home.
God’s speed, Sentinel1B!
Post from Ramón Torres Sentinel-1 Project Manager
Source ESA blog
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