To: SLR Stations Fm: GFZ Orbit Prediction System Op: Roland Schmidt, GFZ DSIDP GRCB.ORB.PRD DRAG FUNCTION A 020327 IRV SET 020327 EPHEM NO 20 SATELLITE 8004 MAXEPOCH 1 EPOCH 815.5 DRAG FRCO 0.0 55.0 1.7 NMAX 20