To: SLR Stations Fm: GFZ Orbit Prediction System Op: Christian Ackermann, GFZ DSIDP GRCB.ORB.PRD DRAG FUNCTION A 020808 IRV SET 020808 EPHEM NO 253 SATELLITE 8004 MAXEPOCH 1 EPOCH 949.5 DRAG FRCO 0.0 28.0 0.8 NMAX 20