SB KEP @ ARL $ARLK099

ARLK099 Keplerian data

ZCZC SK01

QST de W1AW

Keplerian Bulletin 99 ARLK099

From ARRL Headquarters

Newington, CT December 23, 2025

To all radio amateurs

SB KEP ARL ARLK099

ARLK099 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 25356.87098645 -.00000046 00000-0 -72077-6 0 9992

2 7530 101.9964 3.2450 0012397 107.5711 320.5444 12.53694413338425

0 ISS

1 25544U 98067A 25357.18166772 .00011641 00000-0 21351-3 0 9998

2 25544 51.6323 90.7678 0003190 289.6661 70.3984 15.49746572544475

0 SO-50

1 27607U 02058C 25357.19448941 .00001850 00000-0 23822-3 0 9993

2 27607 64.5532 313.2846 0072667 294.6248 64.7300 14.82432796238367

0 AO-73

1 39444U 13066AE 25356.82049505 .00008397 00000-0 56776-3 0 9995

2 39444 97.8082 320.2238 0041124 83.1503 277.4400 15.06109786653081

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 25357.05591893 .00012381 00000-0 58206-3 0 9994

2 43017 97.4933 223.0189 0159512 214.7834 144.2887 15.09066363438793

0 PO-101

1 43678U 18084H 25357.32913016 .00002317 00000-0 19401-3 0 9997

2 43678 98.1033 181.2189 0007635 20.3684 339.7842 14.99489915389856

0 QO-100

1 43700U 18090A 25356.33957684 .00000166 00000-0 00000-0 0 9991

2 43700 0.0205 63.8461 0001056 231.6466 303.7069 1.00272998 25903

0 JO-97

1 43803U 18099AX 25357.10381771 .00018012 00000-0 67800-3 0 9991

2 43803 97.4405 54.8879 0006739 164.2075 195.9375 15.27153057386697

0 RS-44

1 44909U 19096E 25357.02133448 .00000030 00000-0 75117-4 0 9996

2 44909 82.5215 96.7772 0217430 196.0122 163.4034 12.79746163279811

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 25356.94869450 .00028736 00000-0 59679-3 0 9992

2 59112 97.5337 133.5851 0009393 126.2637 233.9480 15.45599374100553

0 MO-122

1 60209U 24125G 25357.07609296 .00035208 00000-0 69720-3 0 9997

2 60209 97.2508 207.4594 0014996 140.7464 219.4876 15.46870959 82209

0 AO-123

1 61781U 24199AY 25357.31881708 .00011699 00000-0 37806-3 0 9999

2 61781 97.3236 222.6541 0013342 213.3598 146.6804 15.32162117106961

Keplerian bulletins are transmitted twice weekly from W1AW. The next scheduled transmission of these data will be Tuesday, December 30, 2025, at 2330z on Baudot and BPSK31.

NNNN

/EX