FROM: SOCC, SUITLAND, MD TO GUNV GOPS GODF GAQD GNTP GPHY GPOB/D. SCHUMACHER GCEN/RHCUAAA/USAFETAC SCOTT AFB//ECA// GCEN/RUCEAAA/1CACS A AND P CHEYENNE MTN AS CO GCEN/RUWOMSB/MILLSTONE HILL WESTFORD MA ATTN SCHRIDHARAN GCEN/RUEOFFA/AFGL HANSCOM AFB MA/LY-KLEEPSIES/LCY-ROBINSON GCEN/RULSLAJ/NAVSPOC/DAHLGREN, VA FDFCOM/O. CUEVAS CODE 553.1/COMPUT/B. SPERLING, A. NICHOLSON CODE 553.1/CSC JOCC/OPS CHIEF SUBJECT: GOES-13 ORBITAL ELEMENTS THE FOLLOWING ELEMENTS AS PROVIDED BY SOCC NAVIGATION. EPOCH (YY/DDD HH:MM:SS.SSS GMT): 12/286 06:00:00.000 SEMI-MAJOR (KM): 42168.21876 ECCENTRICITY: 0.000175 INCLINATION (DEG): 0.126339 ASCENDING NODE (DEG): 121.646997 ARG. OF PERIGEE (DEG): 30.512372 MEAN ANOMALY (DEG): 243.928317 APOGEE HT (KM): 35797.44440 PERIGEE HT (KM): 35782.71311 LONGITUDE (DEG WEST): 75.151 LONGITUDE DRIFT RATE (DEG/DAY): 0.036000 WEST S/C TOTAL MASS (KG): 1952.637