SB KEP @ ARL $ARLK021

ARLK021 Keplerian data

ZCZC SK21

QST de W1AW

Keplerian Bulletin 21 ARLK021

From ARRL Headquarters

Newington, CT, March 13, 2026

To all radio amateurs

SB KEP ARL ARLK021

ARLK021 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 26072.48660519 -.00000021 00000-0 16185-3 0 9997

2 07530 101.9967 84.7174 0011948 314.7647 202.3118 12.53696423348526

0 ISS

1 25544U 98067A 26072.38526547 .00010392 00000-0 19895-3 0 9997

2 25544 51.6324 54.0842 0007910 188.2233 171.8627 15.48625615556900

0 SO-50

1 27607U 02058C 26072.46172483 .00002103 00000-0 26508-3 0 9999

2 27607 64.5526 65.1060 0075301 280.0120 79.2494 14.82801116250261

0 AO-73

1 39444U 13066AE 26072.35704843 .00007962 00000-0 51353-3 0 9995

2 39444 97.8186 41.9580 0037754 166.4701 193.7548 15.07980612665219

0 AO-91

1 43017U 17073E 26072.10516588 .00014086 00000-0 63628-3 0 9991

2 43017 97.4871 301.3303 0154280 300.1874 58.4150 15.10964684450870

0 PO-101

1 43678U 18084H 26072.65807994 .00002807 00000-0 23072-3 0 9998

2 43678 98.1040 264.8574 0012184 114.9346 245.3143 14.99983974401899

0 QO-100

1 43700U 18090A 26072.57527226 .00000144 00000-0 00000-0 0 9994

2 43700 0.0160 140.2126 0001100 209.1120 54.7777 1.00271638 26717

0 JO-97

1 43803U 18099AX 26072.60945063 .00020456 00000-0 69571-3 0 9993

2 43803 97.4248 135.2859 0004924 239.8747 120.2006 15.30462837398994

0 RS-44

1 44909U 19096E 26072.39074070 .00000033 00000-0 86904-4 0 9995

2 44909 82.5208 43.3542 0217772 8.6796 351.7974 12.79747528290094

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 26072.33562981 .00038262 00000-0 64252-3 0 9998

2 59112 97.5392 217.4408 0007917 191.2920 168.8155 15.51660207112998

0 AO-123

1 61781U 24199AY 26072.59484257 .00010795 00000-0 32811-3 0 9999

2 61781 97.3155 302.1445 0012559 294.8085 65.1851 15.34148835119269

Keplerian bulletins are transmitted twice weekly from W1AW. The next scheduled transmission of these data will be Tuesday, March 17, 2026, at 2230z on Baudot and BPSK31.

NNNN

/EX