SB KEP @ ARL $ARLK013 ARLK013 Keplerian data ZCZC SK13 QST de W1AW Keplerian Bulletin 13 ARLK013 From ARRL Headquarters Newington, CT February 16, 2021 To all radio amateurs SB KEP ARL ARLK013 ARLK013 Keplerian data Special thanks to Space-Track.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 AO-07 1 7530U 74089B 21047.37365073 -.00000035 00000-0 64666-4 0 9992 2 7530 101.8390 22.0781 0011934 254.9129 263.6861 12.53647326116794 FO-29 1 24278U 96046B 21047.47866301 -.00000012 00000-0 20467-4 0 9994 2 24278 98.5801 131.4246 0351267 102.9989 261.0611 13.53102190210138 ISS 1 25544U 98067A 21047.72921296 .00000425 00000-0 15893-4 0 9993 2 25544 51.6427 218.5214 0002672 24.1653 157.0847 15.48965215269924 SO-50 1 27607U 02058C 21047.20201754 -.00000002 00000-0 20003-4 0 9994 2 27607 64.5573 349.1081 0030003 72.8186 287.6197 14.75711552976828 CO-55 1 27844U 03031E 21046.91440139 .00000042 00000-0 38619-4 0 9993 2 27844 98.6825 56.9578 0010904 73.0743 287.1629 14.22288262914706 RS-22 1 27939U 03042A 21047.51631323 .00000131 00000-0 32125-4 0 9999 2 27939 98.1198 185.6026 0011666 304.9862 55.0242 14.66943905929799 RS-30 1 32953U 08025A 21047.50301389 .00000028 00000-0 12906-3 0 9991 2 32953 82.5058 126.1639 0018724 238.2417 121.6838 12.43099878577952 KKS-1 1 33499U 09002H 21046.89215152 .00000088 00000-0 20793-4 0 9996 2 33499 98.2867 274.0215 0010329 71.4726 288.7604 14.75617289648488 AO-71 1 37854U 11061E 21046.85653154 .00000909 00000-0 52416-4 0 9996 2 37854 101.7115 270.1647 0155875 57.6260 303.9931 15.08155179508158 AO-73 1 39444U 13066AE 21047.20273055 .00000216 00000-0 32584-4 0 9993 2 39444 97.5748 40.2228 0057493 188.1921 171.8360 14.82315565390066 XW-2A 1 40903U 15049E 21047.50613314 .00002314 00000-0 51843-4 0 9997 2 40903 97.2544 102.3090 0014511 95.9642 11.2830 15.44389520304127 XW-2F 1 40910U 15049M 21047.49850557 .00001025 00000-0 52784-4 0 9998 2 40910 97.4720 54.0771 0013311 226.5855 284.6046 15.18608753299364 XW-2B 1 40911U 15049N 21047.50712153 .00000636 00000-0 35879-4 0 9993 2 40911 97.4832 51.8539 0012415 241.6226 215.0399 15.16689148299151 IO-86 1 40931U 15052B 21045.48508475 .00000557 00000-0 -11459-4 0 9995 2 40931 6.0021 49.3212 0012219 101.5540 258.5885 14.76660450291091 CAS-4B 1 42759U 17034B 21047.50605677 .00000221 00000-0 26700-4 0 9996 2 42759 43.0164 125.9421 0008063 130.3280 244.2778 15.10070517202864 CAS-4A 1 42761U 17034D 21047.45528215 .00000249 00000-0 28361-4 0 9990 2 42761 43.0174 125.3575 0008681 131.7827 339.5981 15.10151889202855 AO-91 1 43017U 17073E 21047.26784768 .00000888 00000-0 74172-4 0 9994 2 43017 97.7158 316.0171 0255270 335.9946 22.9531 14.79317782175209 Keplerian bulletins are transmitted twice weekly from W1AW. The next scheduled transmission of these data will be Friday, February 19, 2021, at 2330z on Baudot and BPSK31. NNNN /EX