Message:21022 In: KEP.ARL

From: NC8Q
Date: Sat, 18 Apr 26 11:02:00 Z
Newsgroups: KEP.ARL
Subject: ARLK031 Keplerian Data
Message-ID:
Path: N2MH4|NC8Q

R:260418/1102Z 30355@N2MH4.#SENC.NC.USA.NOAM LinBPQ6.0.24
R:260418/1102Z 48685@NC8Q.#DAY.OH.USA.NOAM LinBPQ6.0.25


ZCZC SK31
QST de W1AW
Keplerian Bulletin 31 ARLK031
From ARRL Headquarters
Newington, CT April 17, 2026
To all radio amateurs

SB KEP ARL ARLK031
ARLK031 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 26107.25802149 -.00000044 00000-0 12898-4 0 9991
2 07530 101.9942 119.8628 0011893 246.6618 178.1996 12.53697146352884
0 ISS
1 25544U 98067A 26107.16713328 .00006923 00000-0 13461-3 0 9995
2 25544 51.6328 242.0950 0006548 316.4598 43.5873 15.48795320562296
0 SO-50
1 27607U 02058C 26106.99134524 .00000507 00000-0 77897-4 0 9993
2 27607 64.5523 318.3047 0075543 273.6029 85.6440 14.82910904255386
0 AO-73
1 39444U 13066AE 26106.65557582 .00005674 00000-0 36089-3 0 9999
2 39444 97.8238 76.8736 0038542 54.9890 305.4945 15.08603541670384
0 AO-91
1 43017U 17073E 26107.13043834 .00005326 00000-0 23882-3 0 9997
2 43017 97.4789 335.6219 0153587 178.7106 181.4553 15.11613984456167
0 PO-101
1 43678U 18084H 26107.27774895 .00001274 00000-0 10711-3 0 9991
2 43678 98.1046 300.9039 0013753 14.6001 345.5616 15.00152575407083
0 QO-100
1 43700U 18090A 26107.22990609 .00000151 00000-0 00000-0 0 9992
2 43700 0.0169 241.5046 0001089 154.4911 277.9156 1.00270299 27069
0 JO-97
1 43803U 18099AX 26107.11627094 .00010695 00000-0 35140-3 0 9998
2 43803 97.4184 169.8157 0007419 124.4915 235.7028 15.31715256404277
0 RS-44
1 44909U 19096E 26107.18028481 .00000005 00000-0 -17652-4 0 9990
2 44909 82.5264 20.2426 0216430 287.1575 70.5932 12.79747870294544
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 26107.19212755 .00024072 00000-0 36740-3 0 9997
2 59112 97.5463 254.0841 0007216 71.2195 288.9841 15.54416878118402
0 AO-123
1 61781U 24199AY 26107.28705716 .00004953 00000-0 14883-3 0 9998
2 61781 97.3088 336.5185 0014656 160.7873 199.3926 15.34771638124589

Keplerian bulletins are transmitted twice weekly from W1AW. The next scheduled transmission of these data will be Tuesday, April 21, 2026, at 2230z on Baudot and MFSK16
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