楼主#更多 发布于：2018-02-27 16:44
A repositioning of Europe’s geostationary meteorological satellite fleet currently being undertaken at an altitude of 36,000km reached an important milestone today.
TUESDAY, 20 FEBRUARY 2018
The newest of EUMETSAT’s Meteosat Second Generation (MSG) spacecraft – Meteosat-11 – has been moved to its new position at 0° longitude is now sending images of the full disc, or hemisphere, every 15 minutes.
The reason for the repositioning of Meteosat-9, -10 and -11 is to ensure the best possible configuration of the satellites, which monitor severe weather over Europe and Africa, and provide crucial data about the climate.
Meteosat-11 was launched on 15 July 2015 and, after a series of tests, was stored in orbit at 3.4°W, ready to be brought into service when needed.
EUMETSAT flight operations and spacecraft operations teams earlier this month began the process of moving the satellites to new positions and swapping their missions, a process that will last until the middle of March.
The manoeuvres and mission swaps involve: