SB KEP @ ARL $ARLK028 ARLK028 Keplerian data ZCZC SK28 QST de W1AW Keplerian Bulletin 28 ARLK028 From ARRL Headquarters Newington, CT April 9, 2021 To all radio amateurs SB KEP ARL ARLK028 ARLK028 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 21099.40314663 -.00000045 00000-0 86966-6 0 9992 2 07530 101.8480 73.9962 0012323 153.2456 1.3929 12.53648221123073 0 ISS 1 25544U 98067A 21099.63908816 .00000772 00000-0 22254-4 0 9997 2 25544 51.6451 321.7734 0002906 202.7417 192.7569 15.48875598277972 0 SO-50 1 27607U 02058C 21099.51813785 -.00000006 00000-0 19476-4 0 9994 2 27607 64.5555 189.1402 0033314 47.7058 312.6860 14.75731926984387 0 AO-73 1 39444U 13066AE 21099.38216844 .00000408 00000-0 55906-4 0 9998 2 39444 97.5804 89.6543 0058291 19.8480 340.4983 14.82367458397209 0 XW-2A 1 40903U 15049E 21099.52781782 .00002895 00000-0 63618-4 0 9998 2 40903 97.2445 154.2113 0010608 265.5060 202.2560 15.44802273312150 0 XW-2D 1 40907U 15049J 21099.56965405 .00000853 00000-0 46600-4 0 9996 2 40907 97.4857 102.5614 0015619 65.6093 83.5421 15.16903883307155 0 XW-2F 1 40910U 15049M 21099.53998086 .00001580 00000-0 79000-4 0 9996 2 40910 97.4739 105.5283 0016029 54.3549 44.6199 15.18807458307265 0 XW-2B 1 40911U 15049N 21099.50312950 .00000850 00000-0 46540-4 0 9996 2 40911 97.4865 103.1866 0015552 67.2151 84.1269 15.16822290307030 0 IO-86 1 40931U 15052B 21096.27560241 .00000688 00000-0 67753-5 0 9990 2 40931 5.9971 47.1236 0012603 98.1150 262.0629 14.76669016298618 0 CAS-4B 1 42759U 17034B 21099.51256550 .00000286 00000-0 30565-4 0 9991 2 42759 43.0169 200.0745 0007885 88.8142 20.5013 15.10145544210722 0 CAS-4A 1 42761U 17034D 21099.50721351 .00000275 00000-0 29884-4 0 9999 2 42761 43.0170 199.2092 0008135 92.7438 15.8058 15.10226784210724 0 AO-91 1 43017U 17073E 21099.55194307 .00000531 00000-0 46131-4 0 9996 2 43017 97.7119 6.2630 0255691 164.8470 196.0589 14.79419800182930 0 PO-100 1 43678U 18084H 21099.29719341 .00000005 00000-0 62410-5 0 9999 2 43678 97.9115 224.2649 0008540 282.3720 77.6544 14.91726587133125 0 QO-100 1 43700U 18090A 21099.51432950 .00000128 00000-0 00000-0 0 9993 2 43700 0.0233 207.2639 0002242 207.2832 354.3967 1.00267466 8677 0 RS-44 1 44909U 19096E 21099.43522364 .00000024 00000-0 56662-4 0 9996 2 44909 82.5221 158.6738 0216264 254.3741 103.3401 12.79709352 60017 Keplerian bulletins are transmitted twice weekly from W1AW. The next scheduled transmission of these data will be Tuesday, April 13, 2021, at 2230z on Baudot and BPSK31. NNNN /EX