To: SLR Stations Fm: GFZ Orbit Prediction System Op: Automatic Generation DSIDP GRCB.ORB.PRD DRAG FUNCTION A 021231.2 IRV SET 021231.2 EPHEM NO 507 SATELLITE 8004 MAXEPOCH 1 EPOCH 1094.5 DRAG FRCO 0.0 27.7 0.8 NMAX 20