TLE Issue - Satellite with old TLEs - 2020-11-09

Satellites & Observations
1

The main source for TLE, space-track.org, has some issues on updating TLE.

Almost all the objects haven’t been updated since November 7th, this means that you are going to see several satellites to have their transmissions follow a curved line.

Until the issue is fixed we have some resources to generate TLE for satellites that transmit. If you are part of a satellite team please let us know here if you want new TLE generated for your own satellite.

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2

For the list of the satellites bellow there are newer TLE sets from Calpoly source or other sources (like directly from SatNOGS):

 7530 - OSCAR 7
14781 - UOSAT 2
22825 - EYESAT-1
24278 - JAS-2
25338 - NOAA 15
25397 - TECHSAT 1B
25544 - ISS
26931 - PCSAT
27844 - CUTE-1
27848 - CUBESAT XI-IV
27939 - MOZHAYETS 4
28650 - HAMSAT
28654 - NOAA 18
28895 - CUBESAT XI 5
32785 - CUTE-1.7+APD II
32788 - AAUSAT-II
32789 - DELFI-C3
32791 - SEEDS II
32953 - YUBILEINY
33493 - PRISM
33499 - KKS-1
33591 - NOAA 19
35932 - SWISSCUBE
35933 - BEESAT
35935 - ITUPSAT 1
36122 - XIWANG-1
36799 - TISAT 1
37224 - O/OREOS
37839 - JUGNU
37841 - SRMSAT
37855 - M-CUBED & EXP-1 PRIME
38340 - HORYU 2
38760 - AENEAS
39087 - AAUSAT 3
39090 - STRAND-1
39134 - SOMP
39136 - BEESAT-2
39153 - CUBEBUG-1
39161 - ESTCUBE 1
39417 - ZACUBE-1
39427 - TRITON-1
39428 - DELFI-N3XT
39439 - FIRST-MOVE
39440 - CUBEBUG-2
39444 - FUNCUBE-1
39446 - UWE-3
39469 - MCUBED-2
39770 - SPROUT
40012 - UNISAT-6
40014 - BUGSAT-1
40021 - DUCHIFAT-1
40024 - NANOSATC-BR1
40025 - QB50P1
40032 - QB50P2
40042 - POLYITAN-1
40043 - TIGRISAT
40054 - AISAT
40057 - VELOX 1
40071 - DX1
40074 - UKUBE-1
40377 - FIREBIRD 3
40378 - FIREBIRD 4
40379 - GRIFEX
40380 - EXOCUBE
40654 - NO-84
40719 - DEORBITSAIL
40900 - NUDT-PHONESAT
40903 - XW-2A
40906 - XW-2C
40907 - XW-2D
40908 - LILACSAT 2
40909 - XW-2E
40910 - XW-2F
40911 - XW-2B
40912 - KAITUO 1B
40926 - TIANWANG 1C
40927 - TIANWANG 1B
40928 - TIANWANG 1A
40958 - LQSAT
40967 - FOX-1A
40968 - BISONSAT
41340 - HORYU-IV
41458 - OUFTI-1
41459 - E-ST@R-II
41460 - AAUSAT 4
43614 - SurfSat
43615 - CP7 (DAVE)
43693 - IRVINE-01
43772 - RANGE A
43773 - RANGE B
43856 - CP11 (ISX)
44420 - LIGHTSAIL-2
45113 - Orbital Factory 2
99770 - BY70-3
99782 - Unknown
99790 - SATLLA-1
99791 - DESCENT
99792 - SPOC
99793 - NEUTRON-1
99837 - Bobcat-1
99915 - IRVINE-02
99943 - CubeSail-1
99944 - NMTSat
3

This probably means I have vetted some observations as bad, because there was no stable signal, when they should have been vetted as good.

4

Here are some TLE sets generated by @cgbsat’s strf toolkit by @pierros

SIRIUSSAT-1
1 43595U          20315.83333333  .00000000  00000-0  23108-3 0    06
2 43595  51.6182 251.8722 0003864  60.6220  50.4860 15.89790821    08
SIRIUSSAT-2
1 43596U          20315.83333333  .00000000  00000-0  43069-3 0    05
2 43596  51.6226 252.7844 0003532  99.8391 325.5875 15.93027326    08
AmicalSat
1 46287U          20315.83333333  .00000000  00000-0  67064-4 0    07
2 46287  97.5129  27.6558 0004018 112.8945  77.1283 15.11090779    06
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5

One more TLE set is generated:

BHUTAN
1 43591U          20316.25000000  .00000000  00000-0  67942-3 0    05
2 43591  51.6263 238.8888 0001483 153.7595 326.8332 16.10601839    05
6

You vetted correctly. You don’t vet the observation any more but the waterfall. And the waterfall was bad due to bad TLEs.

1 Like
7

Updated TLE sets are now available again at space-track.org.

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