SB KEP @ ARL $ARLK083

ARLK083 Keplerian data

ZCZC SK83

QST de W1AW

Keplerian Bulletin 83 ARLK083

From ARRL Headquarters

Newington, CT October 21, 2025

To all radio amateurs

SB KEP ARL ARLK083

ARLK083 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 25294.63309948 -.00000033 00000-0 87369-4 0 9991

2 07530 101.9985 300.3467 0011981 225.8465 222.9553 12.53692670330628

0 ISS

1 25544U 98067A 25294.49198988 .00015870 00000-0 29233-3 0 9991

2 25544 51.6347 41.1444 0004397 319.8989 40.1675 15.49317579534754

0 SO-50

1 27607U 02058C 25294.65198560 .00002096 00000-0 27059-3 0 9992

2 27607 64.5519 146.5499 0068856 306.2956 53.1803 14.82112231229093

0 AO-73

1 39444U 13066AE 25294.60747466 .00013781 00000-0 96693-3 0 9998

2 39444 97.7981 257.3181 0037805 295.5336 64.1982 15.04703594643720

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 25294.62427748 .00013159 00000-0 63393-3 0 9991

2 43017 97.5016 162.0510 0167368 69.2923 292.6155 15.07267369429384

0 PO-101

1 43678U 18084H 25294.59392145 .00005065 00000-0 42236-3 0 9995

2 43678 98.1080 115.9553 0007568 182.6228 177.4955 14.99058490380457

0 QO-100

1 43700U 18090A 25294.55573337 .00000000 00000-0 00000-0 0 9992

2 43700 0.0164 226.9818 0001821 22.1551 6.9364 1.00270812 25287

0 JO-97

1 43803U 18099AX 25294.60852713 .00020952 00000-0 85124-3 0 9990

2 43803 97.4504 352.6630 0007586 45.8960 314.2901 15.24566449377162

0 RS-44

1 44909U 19096E 25294.63351300 .00000034 00000-0 97025-4 0 9998

2 44909 82.5190 138.2384 0217251 342.4114 16.9544 12.79744771271838

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 25293.93487636 .00033448 00000-0 79884-3 0 9999

2 59112 97.5299 68.3820 0009619 359.8397 0.2845 15.41403775 90833

0 MO-122

1 60209U 24125G 25294.55579592 .00035931 00000-0 83427-3 0 9998

2 60209 97.2598 145.0327 0017043 20.2493 339.9426 15.42130204 72553

0 AO-123

1 61781U 24199AY 25294.65400921 .00012801 00000-0 43418-3 0 9992

2 61781 97.3312 160.7119 0017078 82.3266 277.9914 15.30522076 97371

Keplerian bulletins are transmitted twice weekly from W1AW. The next scheduled transmission of these data will be Friday, October 24, 2025, at 2330z on Baudot and BPSK31.

NNNN

/EX