SB KEP @ ARL $ARLK100

ARLK100 Keplerian data

ZCZC SK02

QST de W1AW

Keplerian Bulletin 100 ARLK100

From ARRL Headquarters

Newington, CT December 30, 2025

To all radio amateurs

SB KEP ARL ARLK100

ARLK100 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 25364.62164360 -.00000017 00000-0 18556-3 0 9998

2 07530 101.9965 11.0769 0012407 93.0027 21.3661 12.53694636339398

0 ISS

1 25544U 98067A 25364.53284236 .00016291 00000-0 30361-3 0 9998

2 25544 51.6331 54.3560 0007484 320.1003 39.9435 15.48944140545610

0 SO-50

1 27607U 02058C 25364.41263793 .00003485 00000-0 43149-3 0 9996

2 27607 64.5543 290.9731 0072961 293.2877 66.0560 14.82476462239433

0 AO-73

1 39444U 13066AE 25364.46041052 .00016097 00000-0 10785-2 0 9998

2 39444 97.8073 327.9611 0040317 58.2602 302.2543 15.06292484654237

0 IO-86

1 40931U 15052B 25151.18580175 .00001241 00000-0 78118-4 0 9996

2 40931 6.0006 24.0987 0012733 338.8432 21.1169 14.78805930523159

0 AO-91

1 43017U 17073E 25364.61468868 .00014453 00000-0 67432-3 0 9992

2 43017 97.4943 230.4083 0159519 188.5797 171.2700 15.09269364439939

0 PO-101

1 43678U 18084H 25364.66932581 .00003961 00000-0 32735-3 0 9991

2 43678 98.1057 188.8576 0007310 359.5492 0.5722 14.99552920390959

0 QO-100

1 43700U 18090A 25364.61403968 .00000163 00000-0 00000-0 0 9999

2 43700 0.0178 28.8710 0001415 276.0757 41.1692 1.00271054 25980

0 JO-97

1 43803U 18099AX 25364.63828570 .00025757 00000-0 95785-3 0 9997

2 43803 97.4405 62.4011 0007241 140.0025 220.1748 15.27475751387847

0 RS-44

1 44909U 19096E 25364.60497881 -.00000001 00000-0 -49020-4 0 9996

2 44909 82.5216 91.7385 0217711 178.2961 181.8932 12.79746294280786

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 25364.32812207 .00041574 00000-0 84599-3 0 9995

2 59112 97.5325 141.2495 0009320 100.1690 260.0611 15.46120567101698

0 MO-122

1 60209U 24125G 25364.57864474 .00049267 00000-0 95235-3 0 9991

2 60209 97.2513 214.9762 0015494 114.3125 245.9746 15.47490267 83369

0 AO-123

1 61781U 24199AY 25364.63302990 .00017418 00000-0 55741-3 0 9996

2 61781 97.3243 229.8903 0013981 185.3194 174.7901 15.32372919108087

Keplerian bulletins are transmitted twice weekly from W1AW. The next scheduled transmission of these data will be Friday, January 2, 2026, at 2330z on Baudot and BPSK31.

NNNN

/EX