SB KEP @ ARL $ARLK050 ARLK050 Keplerian data ZCZC SK50 QST de W1AW Keplerian Bulletin 50 ARLK050 From ARRL Headquarters Newington, CT June 25, 2021 To all radio amateurs SB KEP ARL ARLK050 ARLK050 Keplerian data Special thanks to AMSAT-NA (AMSAT.ORG) for the following Keplerian data. Decode 2-line elsets with the following key: 1 AAAAAU 00 0 0 BBBBB.BBBBBBBB .CCCCCCCC 00000-0 00000-0 0 DDDZ 2 AAAAA EEE.EEEE FFF.FFFF GGGGGGG HHH.HHHH III.IIII JJ.JJJJJJJJKKKKKZ KEY: A-CATALOGNUM B-EPOCHTIME C-DECAY D-ELSETNUM E-INCLINATION F-RAAN G-ECCENTRICITY H-ARGPERIGEE I-MNANOM J-MNMOTION K-ORBITNUM Z-CHECKSUM 0 AO-07 1 07530U 74089B 21176.56181764 -.00000057 00000-0 -70528-4 0 9998 2 07530 101.8541 151.0560 0012396 8.6909 105.3186 12.53649197132746 0 ISS 1 25544U 98067A 21176.55543682 -.00003415 00000-0 -54431-4 0 9991 2 25544 51.6457 301.3375 0002062 98.4178 3.0356 15.48721305289898 0 SO-50 1 27607U 02058C 21176.56793103 -.00000012 00000-0 18779-4 0 9998 2 27607 64.5560 313.5319 0041537 18.2650 341.9933 14.75759727995725 0 AO-73 1 39444U 13066AE 21176.53408981 .00000353 00000-0 49053-4 0 9991 2 39444 97.5834 162.8084 0058938 124.0106 236.6726 14.82437351408639 0 XW-2A 1 40903U 15049E 21176.60446618 .00003076 00000-0 66115-4 0 9996 2 40903 97.2356 231.0609 0011759 354.1275 162.0372 15.45384146324057 0 XW-2D 1 40907U 15049J 21176.60730130 .00001120 00000-0 59835-4 0 9994 2 40907 97.4843 178.6542 0014711 149.3634 331.5329 15.17090447318831 0 XW-2F 1 40910U 15049M 21176.55366396 .00001406 00000-0 70146-4 0 9996 2 40910 97.4711 181.7009 0015440 137.1735 341.6092 15.19075250318958 0 XW-2B 1 40911U 15049N 21176.61029455 .00001086 00000-0 58253-4 0 9995 2 40911 97.4842 179.3379 0014632 150.6889 328.8839 15.17006737318722 0 IO-86 1 40931U 15052B 21172.25825716 .00000685 00000-0 62939-5 0 9992 2 40931 5.9988 225.1564 0012697 98.2064 261.9504 14.76678769309850 0 CAS-4B 1 42759U 17034B 21176.64299620 .00000204 00000-0 25570-4 0 9996 2 42759 43.0165 136.0584 0009299 224.8155 304.2884 15.10236324222384 0 CAS-4A 1 42761U 17034D 21176.36301014 .00000326 00000-0 32823-4 0 9993 2 42761 43.0155 136.6455 0009639 224.4016 272.3037 15.10323847222347 0 AO-91 1 43017U 17073E 21176.51621270 .00000510 00000-0 45347-4 0 9997 2 43017 97.7064 80.1848 0253341 274.1465 83.0833 14.79578691194316 0 PO-101 1 43678U 18084H 21175.29533243 .00000248 00000-0 30412-4 0 9994 2 43678 97.9246 300.6101 0010448 36.3300 323.8531 14.91756358144452 0 QO-100 1 43700U 18090A 21176.24445793 .00000138 00000-0 00000-0 0 9999 2 43700 0.0152 40.6176 0001593 71.6171 275.1542 1.00271680 9447 0 RS-44 1 44909U 19096E 21176.52409889 .00000017 00000-0 17019-4 0 9993 2 44909 82.5215 107.4516 0218598 74.2818 288.2277 12.79710388 69858 Keplerian bulletins are transmitted twice weekly from W1AW. The next scheduled transmission of these data will be Tuesday, June 29, 2021, at 2230z on Baudot and BPSK31. NNNN /EX