ARLK073 follows
ARLK073 follows
ZCZC SK73
QST de W1AW
Keplerian Bulletin 73 ARLK073
From ARRL Headquarters
Newington, CT September 29, 2026
To all radio amateurs
SB KEP ARL ARLK073
ARLK073 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 7530U 74089B 26272.04038705 -.00000044 00000-0 12703-4 0 9995
2 7530 101.9914 286.3714 0011955 293.8289 131.1938 12.53699847373536
0 ISS
1 25544U 98067A 26272.11005302 .00004557 00000-0 91790-4 0 9992
2 25544 51.6312 145.7721 0007123 200.7262 159.3438 15.48685648587861
0 SO-50
1 27607U 02058C 26272.12916925 .00000507 00000-0 77734-4 0 9995
2 27607 64.5524 167.3442 0071117 243.3073 116.0741 14.83233376279879
0 AO-73
1 39444U 13066AE 26271.88793837 .00004521 00000-0 27313-3 0 9992
2 39444 97.8403 245.6658 0034389 208.0380 151.8997 15.10733418695318
0 AO-91
1 43017U 17073E 26272.14668020 .00005031 00000-0 21515-3 0 9995
2 43017 97.4522 137.2373 0145825 329.8524 29.4373 15.14104588481110
0 PO-101
1 43678U 18084H 26272.19071235 .00001045 00000-0 87448-4 0 9991
2 43678 98.1153 112.9760 0012630 181.2480 178.8714 15.00762712431813
0 QO-100
1 43700U 18090A 26271.55072005 .00000149 00000-0 00000-0 0 9998
2 43700 0.0167 120.1931 0001306 86.0408 25.1672 1.00274109 28718
0 JO-97
1 43803U 18099AX 26272.12295251 .00010924 00000-0 30686-3 0 9993
2 43803 97.4011 335.4836 0003980 248.4701 111.6119 15.36702052429578
0 RS-44
1 44909U 19096E 26272.06192451 .00000002 00000-0 -29576-4 0 9994
2 44909 82.5163 270.6766 0216318 261.4752 96.1783 12.79749574315632
0 SONATE-2
1 59112U 24043Q 26271.99794551 .00045762 00000-0 42483-3 0 9996
2 59112 97.5628 69.4961 0005236 177.2604 182.8686 15.67313069144105
0 AO-123
1 61781U 24199AY 26272.17969375 .00004929 00000-0 13807-3 0 9990
2 61781 97.2814 139.9162 0011683 299.2428 60.7648 15.37021632149894
Keplerian bulletins are transmitted twice weekly from W1AW. The next
scheduled transmission of these data will be Friday, October 2, 2026 at 2230z on Baudot and MFSK16.
NNNN
/EX
