SB KEP @ ARL $ARLK041 ARLK041 Keplerian data ZCZC SK41 QST de W1AW Keplerian Bulletin 41 ARLK041 From ARRL Headquarters Newington, CT May 25, 2021 To all radio amateurs SB KEP ARL ARLK041 ARLK041 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 21145.51874029 -.00000055 00000-0 -61394-4 0 9991 2 07530 101.8527 120.0471 0012651 66.7297 45.2385 12.53648849128859 0 ISS 1 25544U 98067A 21145.59982096 .00001392 00000-0 33500-4 0 9991 2 25544 51.6426 94.4441 0003224 30.3402 141.1601 15.48927039285091 0 SO-50 1 27607U 02058C 21145.19251480 .00000037 00000-0 25690-4 0 9996 2 27607 64.5567 49.4758 0037932 29.2368 331.0846 14.75749551991112 0 AO-73 1 39444U 13066AE 21145.48456863 .00000311 00000-0 44170-4 0 9992 2 39444 97.5825 133.3635 0056450 225.8230 133.8338 14.82414001404033 0 XW-2A 1 40903U 15049E 21145.51302433 .00003785 00000-0 81401-4 0 9990 2 40903 97.2375 200.0641 0014425 98.0897 9.7032 15.45171416319257 0 XW-2D 1 40907U 15049J 21145.48045097 .00001356 00000-0 71921-4 0 9998 2 40907 97.4842 147.9096 0011989 263.6509 248.9499 15.17028136314110 0 XW-2F 1 40910U 15049M 21145.46924216 .00001859 00000-0 92049-4 0 9991 2 40910 97.4712 150.9537 0012506 247.0389 274.8342 15.18984560314233 0 XW-2B 1 40911U 15049N 21145.48200839 .00001342 00000-0 71368-4 0 9990 2 40911 97.4844 148.5947 0011927 265.1199 247.6251 15.16945362314001 0 IO-86 1 40931U 15052B 21144.29670095 .00000668 00000-0 39329-5 0 9991 2 40931 5.9964 64.6623 0013348 58.2989 301.8399 14.76675441305724 0 CAS-4B 1 42759U 17034B 21145.53578510 .00000431 00000-0 39246-4 0 9995 2 42759 43.0171 307.0741 0008922 11.5861 38.3693 15.10205716217684 0 CAS-4A 1 42761U 17034D 21145.53120088 .00000612 00000-0 50038-4 0 9994 2 42761 43.0184 306.1709 0009372 13.0251 53.9367 15.10290359217683 0 AO-91 1 43017U 17073E 21145.27214085 .00001236 00000-0 99940-4 0 9992 2 43017 97.7087 50.1750 0255629 16.3687 344.5590 14.79521311189690 0 PO-101 1 43678U 18084H 21145.58045099 .00000472 00000-0 52557-4 0 9993 2 43678 97.9179 270.7425 0011280 121.6490 238.5847 14.91750164140026 0 QO-100 1 43700U 18090A 21145.59560569 .00000147 00000-0 00000+0 0 9991 2 43700 0.0177 331.1161 0001504 109.9394 42.5337 1.00270891 9384 0 RS-44 1 44909U 19096E 21145.48547887 .00000006 00000-0 -26241-4 0 9991 2 44909 82.5183 128.0735 0217970 146.5465 214.9627 12.79709973 65880 Keplerian bulletins are transmitted twice weekly from W1AW. The next scheduled transmission of these data will be Friday, May 28, 2021, at 2230z on Baudot and BPSK31. NNNN /EX