SB KEP @ ARL $ARLK037 ARLK037 Keplerian data ZCZC SK37 QST de W1AW Keplerian Bulletin 37 ARLK037 From ARRL Headquarters Newington, CT May 11, 2021 To all radio amateurs SB KEP ARL ARLK037 ARLK037 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 21131.21197369 -.00000054 00000-0 -51083-4 0 9991 2 07530 101.8517 105.7579 0012628 93.3145 277.7494 12.53648643127066 0 ISS 1 25544U 98067A 21131.59468726 .00000291 00000-0 13447-4 0 9990 2 25544 51.6435 163.7178 0002946 349.0197 153.8256 15.48989698282923 0 SO-50 1 27607U 02058C 21131.23274802 .00000022 00000-0 23616-4 0 9999 2 27607 64.5551 92.1617 0036405 34.4637 325.8815 14.75743693989053 0 AO-73 1 39444U 13066AE 21131.44467309 .00000296 00000-0 42473-4 0 9996 2 39444 97.5822 120.0504 0056059 273.2146 86.2656 14.82401616402542 0 XW-2A 1 40903U 15049E 21131.46269131 .00002842 00000-0 61874-4 0 9991 2 40903 97.2397 186.0563 0013472 143.0567 342.2499 15.45054640317083 0 XW-2D 1 40907U 15049J 21131.49643487 .00000729 00000-0 40266-4 0 9992 2 40907 97.4851 134.0966 0012687 318.1336 193.0564 15.16989563311998 0 XW-2F 1 40910U 15049M 21131.50179813 .00001066 00000-0 54290-4 0 9992 2 40910 97.4722 137.1398 0012813 303.4090 209.6732 15.18929596312115 0 XW-2B 1 40911U 15049N 21131.49720145 .00000718 00000-0 39820-4 0 9996 2 40911 97.4850 134.7834 0012707 319.6604 191.5136 15.16907027311881 0 IO-86 1 40931U 15052B 21129.30274365 .00000735 00000-0 13172-4 0 9998 2 40931 5.9964 171.5481 0013196 213.2885 146.6459 14.76674337303502 0 CAS-4B 1 42759U 17034B 21131.19946398 .00000112 00000-0 20114-4 0 9995 2 42759 43.0196 25.8874 0010346 291.2950 206.1949 15.10185310215518 0 CAS-4A 1 42761U 17034D 21131.46305124 .00000105 00000-0 19634-4 0 9991 2 42761 43.0194 23.5178 0010758 293.8748 236.0764 15.10267375215554 0 AO-91 1 43017U 17073E 21131.27269367 .00001011 00000-0 82223-4 0 9997 2 43017 97.7097 36.7299 0256582 61.8431 300.8448 14.79481020187620 0 PO-101 1 43678U 18084H 21131.56138192 -.00000169 00000-0 -11072-4 0 9995 2 43678 97.9170 256.6622 0010160 165.1762 194.9827 14.91738675137932 0 QO-100 1 43700U 18090A 21131.24216253 .00000150 00000-0 00000-0 0 9991 2 43700 0.0159 288.9779 0000923 113.6332 299.5953 1.00270318 8994 0 RS-44 1 44909U 19096E 21131.09961572 .00000018 00000-0 25814-4 0 9991 2 44909 82.5177 137.6338 0217378 180.1408 179.9669 12.79709921 64047 Keplerian bulletins are transmitted twice weekly from W1AW. The next scheduled transmission of these data will be Friday, May 14, 2021, at 2230z on Baudot and BPSK31. NNNN /EX