To: SLR Stations Fm: GFZ Orbit Prediction System Op: Automatic Generation DSIDP CHMP.ORB.PRD DRAG FUNCTION A 020721 IRV SET 020721 EPHEM NO 1637 SATELLITE 8002 MAXEPOCH 1 EPOCH 931.5 DRAG FRCO 0.0 48.7 1.8 NMAX 20