SB KEP @ ARL $ARLK015

ARLK015 Keplerian data

ZCZC SK15

QST de W1AW

Keplerian Bulletin 15 ARLK015

From ARRL Headquarters

Newington, CT February 20, 2026

To all radio amateurs

SB KEP ARL ARLK015

ARLK015 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 26051.57117431 -.00000052 00000-0 -36441-4 0 9997

2 7530 101.9973 63.5767 0012139 355.1660 124.0699 12.53695974345906

0 ISS

1 25544U 98067A 26051.53885789 .00009982 00000-0 19450-3 0 9997

2 25544 51.6324 157.1302 0008583 115.7613 244.4262 15.48162254553678

0 SO-50

1 27607U 02058C 26051.55356464 .00001415 00000-0 18504-3 0 9991

2 27607 64.5520 129.7677 0074819 283.7887 75.4900 14.82709370247163

0 AO-73

1 39444U 13066AE 26051.38563787 .00007543 00000-0 49326-3 0 9997

2 39444 97.8169 20.6386 0035834 239.6758 120.0923 15.07554445662050

0 AO-91

1 43017U 17073E 26051.57222237 .00009629 00000-0 43819-3 0 9991

2 43017 97.4881 281.2323 0157297 11.1839 349.2820 15.10453173447776

0 PO-101

1 43678U 18084H 26051.71072100 .00002388 00000-0 19774-3 0 9993

2 43678 98.1039 243.0504 0010091 179.5260 180.5973 14.99866779398750

0 QO-100

1 43700U 18090A 26051.60908610 .00000150 00000-0 00000+0 0 9991

2 43700 0.0175 171.6474 0002286 194.0116 29.9371 1.00269107 26509

0 JO-97

1 43803U 18099AX 26051.41950425 .00013130 00000-0 46005-3 0 9995

2 43803 97.4289 114.1018 0005124 335.4005 24.6990 15.29590275395751

0 RS-44

1 44909U 19096E 26051.51702691 -.00000001 00000-0 -55531-4 0 9992

2 44909 82.5175 57.2302 0218542 57.3347 304.8630 12.79747165287422

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 26051.36426729 .00028743 00000-0 51457-3 0 9993

2 59112 97.5382 195.4823 0007930 271.4044 88.6298 15.49907582109749

0 MO-122

1 60209U 24125G 26051.55777837 .00037214 00000-0 61773-3 0 9998

2 60209 97.2466 267.2401 0011511 292.6233 67.3802 15.51948600 91411

0 AO-123

1 61781U 24199AY 26051.71961071 .00008785 00000-0 27127-3 0 9994

2 61781 97.3176 281.4643 0014653 13.2782 346.8843 15.33677318116062

Keplerian bulletins are transmitted twice weekly from W1AW. The next scheduled transmission of these data will be Tuesday, February 24, 2026, at 2330z on Baudot and BPSK31.

NNNN

/EX