To: SLR Stations Fm: GFZ Orbit Prediction System Op: Automatic Generation DSIDP GRCB.ORB.PRD DRAG FUNCTION A 021231 IRV SET 021231 EPHEM NO 506 SATELLITE 8004 MAXEPOCH 1 EPOCH 1094.5 DRAG FRCO 0.0 31.6 0.9 NMAX 20