To: SLR Stations Fm: GFZ Orbit Prediction System Op: Christian Ackermann, GFZ DSIDP CHMP.ORB.PRD DRAG FUNCTION A 010720 IRV SET 010720 EPHEM NO 687 SATELLITE 8002 MAXEPOCH 1 EPOCH 565.5 DRAG FRCO 0.0 30.4 1.0 NMAX 20