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Sentinel-1 is the first of the Copernicus Programme satellite constellations conducted by the European Space Agency. [4] The mission was originally composed of a constellation of two satellites, Sentinel-1A and Sentinel-1B , which shared the same orbital plane.
Sentinel-1A is a European radar imaging satellite launched in 2014. It is the first Sentinel-1 satellite launched as part of the European Union's Copernicus programme. The satellite carries a C-band Synthetic Aperture Radar which will provide images in all light and weather conditions. It analyzes many phenomena occurring on Earth, from ...
Sentinel-1B was a European radar imaging satellite launched on 25 April 2016. It is the second of two original satellites in the Sentinel-1 constellation, part of the European Union's Copernicus programme on Earth observation. The satellite carries a C-SAR sensor, capable of providing high-resolution imagery regardless of weather conditions.
Each Sentinel mission is based on a constellation of two satellites to fulfill and revisit the coverage requirements for each mission, providing robust datasets for all Copernicus services. The Sentinel missions have the following objectives: Sentinel-1 provides all-weather, day and night radar imaging for land and ocean services. [17] Both ...
Sentinel-1A, B and C Active ESA: 2014 Constellation of two, each satellite carries C-SAR sensor. Part of the Copernicus Programme. Sentinel-2A, B, and C Active ESA: 2015 Constellation of three, each satellite carries MSI sensor for high spatial resolution imaging. Part of the Copernicus Programme. Sentinel-3A and B Active ESA: 2016
The mission's Sentinel-2A and Sentinel-2B satellites were joined in orbit in 2024 by a third, Sentinel-2C, and in the future by Sentinel-2D, eventually replacing the A and B satellites, respectively. [4] The mission supports services and applications such as agricultural monitoring, emergencies management, land cover classification, and water ...
After the tape drive failure additional ground stations were brought online to increase the data gathering abilities of the satellite. The Wind Scatterometer and GOME were the only instruments of their kind until the launches of MetOp-A and Envisat, respectively. The successor to ERS-2 was the Envisat satellite, launched 1 March 2002. Envisat ...
Third Sentinel-1 satellite. Originally intended to launch on the Russian Soyuz launch vehicle; due to geopolitical factors, ESA moved Sentinel-1C to a Vega-C launch. 6 December 03:14 [242] [243] Simorgh: Semnan LP-2: ISA: Saman-1: ISA: Low Earth: Space tug: In orbit: Operational ⚀ Fakhr-1 ISA: Low Earth: Communications: In orbit: Operational ...