GRACE Orbit Lifetime Prediction: Created on 2011-12-02 using MSFC Flux Data; Prediction Epoch is 2011-09-30
GRACE Orbit Lifetime Parameters obtained using Predicted (95%) Monthly Solar Flux
Click here for GRC-1 Lifetime Data using MET
![](gr1_lifrom_2011-09-30.png)
![](gr1_Ecc_2011-09-30.png)
![](gr1_PrgApg_MET_2011-09-30.png)
GRACE Satellite Drag Parameters:
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CD = 2.448 (GPS estimated CD, Averaged over the first 9 months of 2011)
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A = 0.96 m2
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Mass = 485.40 kg (Kept same, over the mission so far)
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