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Orbit Description

Lifetime Prediction

Present Groundtrack

GRACE Launch

Science Data Products

GRACE Newsletter

Mission Overview
GRACE Orbit Lifetime Predictions for March 03, 2005
Updated August 2005

GRACE Orbit Lifetime Parameters obtained using Predicted (95%) Monthly Solar Flux

Click here for GRC-1 Lifetime Data using MET

GRACE Satellite Drag Parameters:

  • CD = 2.5   (GPS estimated CD, Averaged over the mission)  

  • A = 0.96 m2

  • Mass = 481.25 kg (Average of GR-A & GR-B; Mar 05)
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The GRACE mission is jointly implemented by NASA and DLR under
the NASA Earth System Science Pathfinder Program.

Last Modified: Mon Nov 21, 2005
CSR/TSGC Team Web