SB KEP @ ARL $ARLK057 ARLK057 Keplerian data ZCZC SK57 QST de W1AW Keplerian Bulletin 57 ARLK057 From ARRL Headquarters Newington, CT July 20, 2021 To all radio amateurs SB KEP ARL ARLK057 ARLK057 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 7530U 74089B 21201.53999876 -.00000036 00000-0 63245-4 0 9999 2 7530 101.8557 176.0103 0012039 320.6693 155.3527 12.53649474136111 0 ISS 1 25544U 98067A 21201.66767965 .00001880 00000-0 42487-4 0 9994 2 25544 51.6426 177.1579 0001717 175.4742 354.1121 15.48827750293782 0 SO-50 1 27607U 02058C 21201.50548483 -.00000005 00000-0 19726-4 0 9995 2 27607 64.5538 237.2741 0044603 10.1450 350.0542 14.75766252999404 0 AO-73 1 39444U 13066AE 21201.50814687 .00000384 00000-0 52777-4 0 9992 2 39444 97.5846 186.4952 0058816 44.1110 316.4773 14.82459136412336 0 XW-2A 1 40903U 15049E 21201.46234693 .00002751 00000-0 59021-4 0 9994 2 40903 97.2337 255.8436 0010372 250.7289 236.8235 15.45553593327891 0 XW-2D 1 40907U 15049J 21201.53827453 .00001039 00000-0 55660-4 0 9991 2 40907 97.4846 203.2830 0015648 71.0138 46.9780 15.17145390322616 0 XW-2F 1 40910U 15049M 21201.52540139 .00001350 00000-0 67304-4 0 9991 2 40910 97.4719 206.4019 0015767 58.5790 99.3831 15.19157801322744 0 XW-2B 1 40911U 15049N 21201.54288231 .00001026 00000-0 55132-4 0 9992 2 40911 97.4853 203.9650 0015645 72.2557 45.7201 15.17061219322501 0 IO-86 1 40931U 15052B 21201.08495370 .00000764 00000-0 17341-4 0 9999 2 40931 5.9998 19.6450 0012682 146.3613 145.2800 14.76682644314126 0 CAS-4B 1 42759U 17034B 21201.49866476 .00000481 00000-0 42171-4 0 9990 2 42759 43.0187 359.4074 0008581 0.9794 102.5659 15.10271616226148 0 CAS-4A 1 42761U 17034D 21201.00000000 .00033002 00000-0 88082-3 0 9998 2 42761 42.9952 1.1589 0098974 345.4748 346.7649 15.32633293226061 0 AO-91 1 43017U 17073E 21201.47123058 .00000422 00000-0 37990-4 0 9999 2 43017 97.7041 104.1500 0254365 192.3469 167.1436 14.79603788198004 0 PO-101 1 43678U 18084H 21201.58912467 .00000486 00000-0 53997-4 0 9992 2 43678 97.9282 327.0466 0008701 307.0083 53.0342 14.91769205148376 0 QO-100 1 43700U 18090A 21201.29458770 .00000141 00000-0 00000-0 0 9996 2 43700 0.0179 56.7362 0001609 83.5149 289.8665 1.00270077 9690 0 RS-44 1 44909U 19096E 21201.38571295 .00000013 00000-0 53601-5 0 9991 2 44909 82.5204 90.9340 0217906 16.3984 344.4023 12.79710844 73036 Keplerian bulletins are transmitted twice weekly from W1AW. The next scheduled transmission of these data will be Friday, July 23, 2021, at 2230z on Baudot and BPSK31. NNNN /EX