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Sentinel 5-Precursor Prepares for Launch

by Weatherboy Team Meteorologist - October 11, 2017

Still in its thermal blanket, the Sentinel-5P upper composite has been installed onto the booster unit and connected via cables to start final testing in the launch tower in Plesetsk, Russia. Image: ESA / Stephane Corvaja
Still in its thermal blanket, the Sentinel-5P upper composite has been installed onto the booster unit and connected via cables to start final testing in the launch tower in Plesetsk, Russia. Image: ESA / Stephane Corvaja

The Sentinel 5-Precursor earth-observing satellite is ready to be launched into space  on Friday, October 13, 2017. The scheduled 5:37am ET launch will send the European Space Agency’s (ESA) latest hardware to an orbit above Earth to monitor air quality and pollution.

The Sentinel 5-Precursor, known as Sentinel 5P for short, is part of the European Commission’s Copernicus program. The environmental monitoring program has a fleet of Sentinel satellites at its disposal, each tasked to monitor and image different aspects of the globe.  Sentinel-5P is the first Copernicus mission dedicated to monitoring the Earth’s atmosphere. The satellite carries the state-of-the-art Tropomi instrument to map a multitude of trace gases such as nitrogen dioxide, ozone, formaldehyde, sulphur dioxide, methane, carbon monoxide and aerosols.


The Sentinel-5P will study many things in the Earth's atmosphere as part of its mission. Image: ESA
The Sentinel-5P will study many things in the Earth’s atmosphere as part of its mission. Image: ESA

With a swath width of of just over 1,600miles, Sentinel-5P will map the entire planet every day, transmitting valuable data through the Copernicus Atmosphere Monitoring Service for air quality forecasts. The Tropospheric Monitoring Instrument on board, also known as the Tropomi spectrometer, will map the global atmosphere every day with a resolution as high as 4.3 miles x 2.1 miles. At such a fine resolution, air pollution over cities can be detected.


Beyond air pollution, Sentinel-5P will also help monitor other harmful things in the sky. Volcanic ash monitoring will be possible, providing safety information of the aviation world.  Data from Sentinel-5P can also warn of high levels of UV radiation which can cause skin damage and increase skin cancer risks. By exploring the data provided by the mission, scientists will also use the data to improve our knowledge of important processes in the atmosphere related to the climate and to the formation of holes in the ozone layer.

 The Sentinel-5P represents the efforts of an international endeavor that will benefit humankind world-wide. Developed jointly by ESA and the Netherlands Space Office, Sentinel-5P will be managed by ESA. It will launch on a Rockot rocket from Plesetsk, Russia.

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