NOAA-CNES Argos-4 reaches orbit | The National Oceanic and Atmospheric Administration


Argos-4, an advanced instrument designed to improve knowledge of the Earth’s environment, ecosystems and biodiversity, entered orbit at 1:09 p.m. EDT today from Māhia Peninsula, New Zealand.

The instrument, developed through a partnership between NOAA and CNES, the French space agency, flew as a payload hosted aboard the General Atomics GAzelle satellite on a Rocket Lab Electron spacecraft.

Artist’s impression of the General Atomics GAzelle satellite, carrying the Argos-4 instrument. (General Atomic)

CNES provided Argos-4 to NOAA to continue the Argos Data Collection System (Argos DCS), which dates back to 1978. Argos is a polar-orbiting satellite system that captures, processes and distributes environmental data – ranging from atmospheric pressure and sea surface temperatures, wildlife monitoring and marine animal tracking – from fixed and mobile platforms around the world, including inaccessible areas, such as oceans, deserts and the polar regions.

Argos-4 will also participate in offshore pollution monitoring and participate in maritime safety and humanitarian aid missions.

“With its enhanced technology, Argos-4 will help take the pulse of the Earth’s environment and deliver greater value and benefits to a range of users around the world now and in the future,” said Steve. Volz, Ph.D, director of the NOAA satellite. and information service.

NOAA Fisheries is the primary user of Argos data. “Near real-time information from satellites about our environment and its evolution is critical to all aspects of NOAA Fisheries’ mission,” said Janet Coit, Deputy Administrator of NOAA Fisheries. “Argos-4’s enhanced data collection capabilities will enhance our ability to manage sustainable fisheries, conserve protected resources, monitor marine heatwaves, and take action to support the resilience of our communities.”

General Atomics will carry out an initial verification of Argos-4 between 10 and 15 days after its launch. Then, CNES will calibrate the instrument for three to six months before Argos-4 is fully integrated into the DCS Argos.

NESDIS, through its Office of Projects, Planning and Analysis, enables the integration, launch and operation of Argos DCS instruments. The Argos program is administered under a joint agreement between NOAA and CNES, with an additional partnership with the European Organization for the Exploitation of Meteorological Satellites and the Indian Space Research Organization.


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