ARLK081 follows
ARLK081 follows
ZCZC SK81
QST de W1AW
Keplerian Bulletin 81 ARLK081
From ARRL Headquarters
Newington, CT October 27, 2026
To all radio amateurs
SB KEP ARL ARLK081
ARLK081 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
0 AO-7
1 07530U 74089B 26300.27679109 -.00000043 00000-0 24625-4 0 9996 2 07530 101.9891 314.8946 0012013 238.6644 132.3984 12.53700278377070
0 ISS
1 25544U 98067A 26300.17675415 .00005704 00000-0 11132-3 0 9994 2 25544 51.6336 6.9404 0006949 314.9066 45.1358 15.49073103592214
0 SO-50
1 27607U 02058C 26300.10962950 .00000771 00000-0 10853-3 0 9995 2 27607 64.5518 80.7452 0069319 238.0712 121.3641 14.83286854284023
0 AO-73
1 39444U 13066AE 26299.90242983 .00003682 00000-0 22081-3 0 9990 2 39444 97.8443 274.3771 0036766 113.7206 246.7887 15.11056099699542
0 AO-91
1 43017U 17073E 26300.09800891 .00005649 00000-0 23952-3 0 9997 2 43017 97.4478 164.6176 0144105 232.0367 126.7775 15.14522782485341
0 PO-101
1 43678U 18084H 26300.25966189 .00001273 00000-0 10515-3 0 9994 2 43678 98.1134 142.2768 0013248 95.4716 264.8019 15.00853456436028
0 QO-100
1 43700U 18090A 26300.27446339 .00000156 00000-0 00000-0 0 9993 2 43700 0.0160 259.3688 0001481 344.6835 276.1942 1.00269569 29001
0 JO-97
1 43803U 18099AX 26299.72458403 .00011873 00000-0 32332-3 0 9992 2 43803 97.3971 3.2677 0006177 147.3377 212.8251 15.37634896433816
0 RS-44
1 44909U 19096E 26300.28527960 -.00000004 00000-0 -61071-4 0 9996 2 44909 82.5196 251.9117 0217063 195.2168 164.2337 12.79749696319241
0 SONATE-2
1 59112U 24043Q 26299.42327132 .00052146 00000-0 41905-3 0 9993 2 59112 97.5635 99.0936 0004449 72.3464 287.8284 15.70817963148401
0 AO-123
1 61781U 24199AY 26300.30078929 .00005841 00000-0 16097-3 0 9991 2 61781 97.2764 167.7770 0012773 185.5400 174.5706 15.37432242154214
Keplerian bulletins are transmitted twice weekly from W1AW. The next
scheduled transmission of these data will be Friday, October 30, 2026 at 2230z on Baudot and MFSK16.
NNNN
/EX
