SB KEP @ ARL $ARLK077 ARLK077 Keplerian data ZCZC SK77 QST de W1AW Keplerian Bulletin 77 ARLK077 From ARRL Headquarters Newington, CT September 28, 2021 To all radio amateurs SB KEP ARL ARLK077 ARLK077 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 OSCAR 7 1 07530U 74089B 21271.44566341 -.00000031 00000-0 91227-4 0 9999 2 07530 101.8672 245.8821 0012052 182.9370 292.9485 12.53650470144632 0 ISS 1 25544U 98067A 21271.55226854 -.00003271 00000-0 -51455-4 0 9999 2 25544 51.6461 191.6441 0003714 35.3416 138.4227 15.48870672304617 0 SO-50 1 27607U 02058C 21271.57381929 .00000142 00000-0 40703-4 0 9999 2 27607 64.5571 22.9962 0053476 350.7016 9.3091 14.75793603 9724 0 AO-73 1 39444U 13066AE 21271.43335280 .00000614 00000-0 80594-4 0 9992 2 39444 97.5938 252.8632 0057630 171.8058 188.4111 14.82528777422694 0 XW-2A 1 40903U 15049E 21271.49889161 .00006449 00000-0 13290-3 0 9995 2 40903 97.2245 325.6589 0011945 7.3522 99.3899 15.46179611338714 0 XW-2D 1 40907U 15049J 21271.58396722 .00001868 00000-0 96852-4 0 9991 2 40907 97.4887 272.5138 0013554 178.8581 329.3207 15.17342108333231 0 XW-2F 1 40910U 15049M 21271.47042551 .00002972 00000-0 14315-3 0 9991 2 40910 97.4752 275.6286 0014420 164.3488 351.1861 15.19446323333362 0 XW-2B 1 40911U 15049N 21271.58275693 .00001901 00000-0 98756-4 0 9992 2 40911 97.4882 273.1798 0013402 180.2367 274.6854 15.17255831333125 0 IO-86 1 40931U 15052B 21271.60920089 .00000730 00000-0 12576-4 0 9992 2 40931 5.9979 236.6502 0012906 61.1834 298.9983 14.76690870324570 0 CAS-4B 1 42759U 17034B 21271.47255179 .00001027 00000-0 74678-4 0 9991 2 42759 43.0195 334.6536 0006748 86.8802 36.5529 15.10392476236726 0 CAS-4A 1 42761U 17034D 21271.45697726 .00001094 00000-0 78559-4 0 9996 2 42761 43.0196 333.7146 0007292 87.0207 33.3784 15.10480677236723 0 AO-91 1 43017U 17073E 21271.46189721 .00002322 00000-0 18346-3 0 9998 2 43017 97.6942 171.3148 0253417 324.5461 33.9130 14.79780012208352 0 PO-101 1 43678U 18084H 21271.61577918 .00000033 00000-0 90398-5 0 9996 2 43678 97.9367 37.5048 0011326 72.7536 287.4902 14.91794010158812 0 QO-100 1 43700U 18090A 21271.39563313 .00000143 00000-0 00000-0 0 9996 2 43700 0.0204 175.3268 0002467 47.3269 312.9412 1.00271021 10405 0 RS-44 1 44909U 19096E 21271.43664049 .00000035 00000-0 98121-4 0 9993 2 44909 82.5232 44.3694 0216980 212.1025 146.6711 12.79711176 81994 Keplerian bulletins are transmitted twice weekly from W1AW. The next scheduled transmission of these data will be Friday, October 1, 2021, at 2230z on Baudot and BPSK31. NNNN /EX