ARLK066 follows

ARLK066 follows

ZCZC SK66

QST de W1AW

Keplerian Bulletin 66 ARLK066

From ARRL Headquarters

Newington, CT September 4, 2026

To all radio amateurs

SB KEP ARL ARLK066

ARLK066 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 26247.29119824 -.00000049 00000-0 -18253-4 0 9998 2 07530 101.9921 261.3651 0012142 342.0763 29.2024 12.53699386370437

0 ISS

1 25544U 98067A 26247.07916240 .00003366 00000-0 69282-4 0 9999 2 25544 51.6313 269.6269 0005012 105.0359 255.1184 15.48983228583981

0 SO-50

1 27607U 02058C 26246.44033043 .00000550 00000-0 82640-4 0 9992 2 27607 64.5502 246.8434 0072636 248.0877 111.2497 14.83191838276069

0 AO-73

1 39444U 13066AE 26246.91534669 .00004461 00000-0 27169-3 0 9996 2 39444 97.8366 220.0950 0033704 297.3080 62.4718 15.10473457691549

0 AO-91

1 43017U 17073E 26247.09698733 .00005764 00000-0 24534-3 0 9992 2 43017 97.4583 112.7013 0149192 56.2842 305.2508 15.13757427477329

0 PO-101

1 43678U 18084H 26247.32079682 .00000900 00000-0 76236-4 0 9994 2 43678 98.1191 87.0128 0010807 264.9979 95.0010 15.00700176428081

0 QO-100

1 43700U 18090A 26246.60299455 .00000142 00000-0 00000-0 0 9999 2 43700 0.0171 225.7431 0002680 334.4791 25.4064 1.00273407 28461

0 JO-97

1 43803U 18099AX 26245.67914214 .00011054 00000-0 31782-3 0 9993 2 43803 97.4050 308.8805 0005070 11.0171 349.1183 15.35966712425511

0 RS-44

1 44909U 19096E 26247.12270283 .00000006 00000-0 -14150-4 0 9999 2 44909 82.5189 287.2592 0216719 320.0508 38.4816 12.79749119312444

0 SONATE-2

1 59112U 24043Q 26246.88606683 .00038407 00000-0 39365-3 0 9997 2 59112 97.5612 42.5196 0005086 267.3754 92.6923 15.64866637140176

0 AO-123

1 61781U 24199AY 26247.24264088 .00004814 00000-0 13610-3 0 9994 2 61781 97.2872 115.2071 0014338 31.6693 328.5411 15.36708553146068

Keplerian bulletins are transmitted twice weekly from W1AW. The next scheduled transmission of these data will be Tuesday, September 8, 2026 at 2230z on Baudot and MFSK16.

NNNN

/EX