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The two GRACE satellites, GRACE-1 and GRACE-2, were launched from Plesetsk Cosmodrome, Russia, on a Rockot (SS-19 + Briz upper stage) launch vehicle on 17 March 2002. The spacecraft were launched to an initial altitude of approximately 500 km at a near-polar inclination of 89°.
Jul 10, 2024 · The mission consists of two identical spacecraft that fly about 220 km apart in a near-polar orbit with an average mission altitude of about 450 km. GRACE maps Earth's gravity field with accurate measurements of the distance between the two satellites, made possible with the K-band microwave ranging system.
Mar 17, 2002 · The GRACE twin satellites made detailed measurements of Earth's gravity field changes and revolutionized investigations of Earth's water reservoirs. Learn more about GRACE. Experience Earth, our solar system, nearby asteroids, the universe, and the spacecraft exploring them with immersive real-time 3D web-based apps for Mac, PC and mobile devices.
The GRACE twin satellites, launched 17 March 2002, are making detailed measurements of Earth's gravity field changes & revolutionizing investigations about Earth's water reservoirs over land, ice & oceans, as well as earthquakes and crustal deformations.
Mar 17, 2002 · In more than 15 years of operations, the GRACE satellite mission revolutionized our view of how water moves and is stored on Earth. GRACE measured changes in the local pull of gravity as water shifts around Earth due to changing seasons, weather and climate processes.
Jun 6, 2023 · The Gravity Recovery and Climate Experiment (GRACE) twin satellites, which orbited Earth from 2002 to 2017, made detailed measurements of Earth's gravity field and improved investigations about Earth's water reservoirs, over land, ice and oceans.
The GRACE twin satellites, launched 17 March 2002, are making detailed measurements of Earth's gravity field changes & revolutionizing investigations about Earth's water reservoirs over land, ice & oceans, as well as earthquakes and crustal deformations.
The GRACE mission detects changes in Earth’s gravity field by monitoring the changes in distance between the two satellites as they orbit Earth. The drawing is not to scale; the trailing spacecraft would actually be about 220 kilometers behind the lead spacecraft.
Launched 17 March 2002, the Gravity Recovery and Climate Experiment (GRACE) twin satellites made detailed measurements of Earth's gravity field and improved investigations about Earth's water reservoirs, over land, ice and oceans.
The GRACE twin satellites, launched 17 March 2002, are making detailed measurements of Earth's gravity field changes & revolutionizing investigations about Earth's water reservoirs over land, ice & oceans, as well as earthquakes and crustal deformations.
