SB KEP @ ARL $ARLK042 ARLK042 Keplerian data ZCZC SK42 QST de W1AW Keplerian Bulletin 42 ARLK042 From ARRL Headquarters Newington, CT May 28, 2021 To all radio amateurs SB KEP ARL ARLK042 ARLK042 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 21148.47129928 -.00000051 00000-0 -35333-4 0 9990 2 07530 101.8528 122.9961 0012647 61.2530 50.3459 12.53648853129226 0 ISS 1 25544U 98067A 21148.56789481 .00000092 00000-0 98608-5 0 9991 2 25544 51.6440 79.7620 0003327 42.1766 130.6151 15.48927353285553 0 SO-50 1 27607U 02058C 21148.30973710 .00000081 00000-0 32069-4 0 9996 2 27607 64.5568 39.9439 0038287 28.0845 332.2311 14.75750896991578 0 AO-73 1 39444U 13066AE 21148.45454043 .00000402 00000-0 55228-4 0 9997 2 39444 97.5828 136.1799 0056626 215.9229 143.8173 14.82416984404479 0 XW-2A 1 40903U 15049E 21148.49287021 .00003655 00000-0 78638-4 0 9999 2 40903 97.2374 203.0355 0014325 88.6918 24.0721 15.45192147319719 0 XW-2D 1 40907U 15049J 21148.50524108 .00000842 00000-0 45963-4 0 9995 2 40907 97.4829 150.8954 0012093 251.3298 210.0548 15.17031296314573 0 XW-2F 1 40910U 15049M 21148.49756906 .00001357 00000-0 68064-4 0 9999 2 40910 97.4713 153.9496 0012629 235.6231 275.6418 15.18990589314697 0 XW-2B 1 40911U 15049N 21148.50697553 .00000814 00000-0 44609-4 0 9990 2 40911 97.4835 151.5815 0011980 252.4068 209.1881 15.16948318314468 0 IO-86 1 40931U 15052B 21148.41665298 .00000791 00000-0 21137-4 0 9992 2 40931 5.9962 35.2984 0012559 118.3024 241.8530 14.76676360306336 0 CAS-4B 1 42759U 17034B 21148.51779942 .00000385 00000-0 36485-4 0 9998 2 42759 43.0168 290.6793 0008519 30.3786 50.7761 15.10209186218131 0 CAS-4A 1 42761U 17034D 21148.51711550 .00000524 00000-0 44737-4 0 9996 2 42761 43.0183 289.7528 0009035 31.5516 88.7507 15.10294452218133 0 AO-91 1 43017U 17073E 21148.51831416 .00001210 00000-0 98083-4 0 9994 2 43017 97.7085 53.2929 0255324 5.7952 354.6117 14.79529895190176 0 PO-101 1 43678U 18084H 21148.46474635 .00000338 00000-0 39248-4 0 9998 2 43678 97.9192 273.6409 0011374 112.7588 247.4804 14.91751522140456 0 QO-100 1 43700U 18090A 21148.53853510 .00000139 00000-0 00000-0 0 9991 2 43700 0.0135 8.7033 0001471 74.4920 22.7576 1.00272306 9172 0 RS-44 1 44909U 19096E 21148.45646210 .00000003 00000-0 -37549-4 0 9991 2 44909 82.5186 126.0992 0218074 139.6182 222.1342 12.79710005 66267 Keplerian bulletins are transmitted twice weekly from W1AW. The next scheduled transmission of these data will be Tuesday, June 1, 2021, at 2230z on Baudot and BPSK31. NNNN /EX