SB KEP @ ARL $ ARLK042

ARLK042 Keplerian Data

ZCZC SK42

QST de W1AW

Keplerian Bulletin 42 ARLK042

From ARRL Headquarters

Newington, CT June 1, 2026

To all radio amateurs

SB KEP ARL ARLK042

ARLK042 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 26152.01571860 -.00000039 00000-0 48160-4 0 9993 2 07530 101.9902 165.0936 0012415 160.3966 224.4518 12.53697843358496

0 ISS

1 25544U 98067A 26152.32329980 .00009658 00000-0 17978-3 0 9995 2 25544 51.6335 18.6331 0007203 121.2251 238.9444 15.49538094569296

0 SO-50

1 27607U 02058C 26152.44338420 .00001132 00000-0 15063-3 0 9996 2 27607 64.5506 177.6953 0075543 265.3545 93.8930 14.83009786262123

0 AO-73

1 39444U 13066AE 26152.47756180 .00007899 00000-0 49308-3 0 9994 2 39444 97.8263 123.5984 0034692 256.6273 103.1087 15.09278155677292

0 AO-91

1 43017U 17073E 26152.52978437 .00010633 00000-0 46381-3 0 9992 2 43017 97.4719 20.0675 0152009 23.3403 337.4634 15.12422224463026

0 PO-101

1 43678U 18084H 26152.56454041 .00003920 00000-0 31691-3 0 9991 2 43678 98.1145 348.0973 0011849 222.3157 137.7153 15.00373899413872

0 QO-100

1 43700U 18090A 26152.57578431 .00000157 00000-0 00000-0 0 9991 2 43700 0.0130 312.0908 0001951 150.4786 20.5614 1.00271414 27524

0 JO-97

1 43803U 18099AX 26152.10777264 .00019722 00000-0 61811-3 0 9996 2 43803 97.4142 214.8925 0004502 341.1255 18.9819 15.33103336411167

0 RS-44

1 44909U 19096E 26152.52522414 .00000021 00000-0 39244-4 0 9991 2 44909 82.5220 350.1148 0217466 180.7254 179.3564 12.79748610300342

0 FO-118

1 54684U 22167C 25064.68183564 .08547514 26414-5 93170-3 0 9992 2 54684 97.5856 230.7463 0011725 277.2083 82.7881 16.37185507124845

0 SONATE-2

1 59112U 24043Q 26151.95414564 .00042877 00000-0 58322-3 0 9995 2 59112 97.5518 301.3715 0006170 252.6142 107.4438 15.57445778125368

0 AO-123

1 61781U 24199AY 26152.59056701 .00008811 00000-0 25747-3 0 9993 2 61781 97.3017 21.4034 0014069 12.5763 347.5829 15.35432038131535

Keplerian bulletins are transmitted twice weekly from W1AW. The next scheduled transmission of these data will be Tuesday, June 2, 2026 at

2230z on Baudot and MFSK16

NNNN

/EX