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Mission Phases

Mission Detail

GRACE Project

Mission Synopsis

The gravity field of the Earth is variable in both space and time, and is an integral constraint on the mean and time variable mass distribution in the Earth. The science data from GRACE mission will be used to estimate global models for the mean and time variable Earth gravity field approximately every 30 days for the 5 year lifetime of the mission. The science data from GRACE mission consists of the inter-satellite range change measurements, and the accelerometer, GPS and attitude measurements from each satellite.

Go to larger Illustration depicting GRACE Flight Configuration
The GRACE flight configuration is shown above.
Go to the UTopia web site
Go to University of Texas web site


The GRACE mission is jointly implemented by NASA and DLR under
the NASA Earth System Science Pathfinder Program.

Last Modified: Tue Feb 17, 2004