To: SLR Stations Fm: GFZ Orbit Prediction System Op: Automatic Generation DSIDP CHMP.ORB.PRD DRAG FUNCTION A 020721.2 IRV SET 020721.2 EPHEM NO 1638 SATELLITE 8002 MAXEPOCH 1 EPOCH 931.5 DRAG FRCO 0.0 53.6 1.9 NMAX 20