SB KEP ARL ARLK054

ARLK054 Keplerian data

ZCZC SK54

QST de W1AW

Keplerian Bulletin 54 ARLK054

From ARRL Headquarters

Newington, CT July 21, 2026

To all radio amateurs

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 26202.04759888 -.00000048 00000-0 -11257-4 0 9998

2 07530 101.9907 215.6472 0012625 67.5516 311.3823 12.53698642364760

0 ISS

1 25544U 98067A 26202.18553447 .00005896 00000-0 11479-3 0 9992

2 25544 51.6316 131.8443 0006849 320.6461 39.4029 15.49071756577020

0 SO-50

1 27607U 02058C 26201.93815510 .00000570 00000-0 84993-4 0 9999

2 27607 64.5521 24.5545 0074346 256.2283 103.0541 14.83105633269469

0 AO-73

1 39444U 13066AE 26201.85964422 .00005490 00000-0 33755-3 0 9995

2 39444 97.8300 174.0216 0038088 89.2835 271.2758 15.09868744684749

0 AO-91

1 43017U 17073E 26202.13716042 .00004895 00000-0 21386-3 0 9998

2 43017 97.4661 68.6602 0148513 210.7859 148.4600 15.13109870470528

0 PO-101

1 43678U 18084H 26202.24572228 .00000744 00000-0 64113-4 0 9997

2 43678 98.1221 39.9465 0012486 65.6947 294.5578 15.00574982421320

0 QO-100

1 43700U 18090A 26202.26497398 .00000145 00000-0 00000-0 0 9992

2 43700 0.0140 324.3139 0002412 190.2603 265.6382 1.00272765 28019

0 JO-97

1 43803U 18099AX 26202.14241807 .00012901 00000-0 38617-3 0 9995

2 43803 97.4107 265.1154 0007290 140.3505 219.8272 15.34641749418837

0 RS-44

1 44909U 19096E 26202.24820673 .00000004 00000-0 -35604-4 0 9992

2 44909 82.5240 317.0735 0218399 64.9041 297.4550 12.79748825306702

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 26201.94279129 .00033286 00000-0 39440-3 0 9990

2 59112 97.5562 354.4821 0006563 88.1508 272.0500 15.61151934133156

0 AO-123

1 61781U 24199AY 26202.23864370 .00005686 00000-0 16349-3 0 9994

2 61781 97.2957 70.6051 0013655 178.5089 181.6199 15.36108717139154

Keplerian bulletins are transmitted twice weekly from W1AW. The next scheduled transmission of these data will be Friday, July 24, 2026, at 2230z on Baudot and MFSK16.

NNNN

/EX