CubeBel-2 corrected TLE
CUBEBEL-2
1 99163U 23178.60752041 .00009659 00000-0 70046-3 0 1232
2 99163 97.6652 229.3207 0010018 222.4731 119.2161 15.02666880 026
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TLE for METEOR M2-3 from Space-Track
METEOR M2-3
1 57166U 23091A 23178.64273207 -.00000044 00000-0 00000+0 0 9990
2 57166 98.7574 230.4883 0005205 83.9701 67.0780 14.23794768 26
I have received Norby-2 using TinyGS. I noted time stamps and ‘frequency error’, to get some doppler measurement points. The doppler measurements needed to be scaled by -0.90. it is unclear to me why this scaling of 90% is needed. It appears that the LORA chip reports an exaggerated frequency error. The scaling factor was determined by a benchmark fit on GaoFen-7, 54687.
The original TLE was made by @cgbsat and has been updated by @geoscan. The last TLE was propagated and fitted to the data:
Updated TLE:
NORBY-2
1 99128U 23180.36288194 .00000000 00000-0 70046-3 0 07
2 99128 97.6652 231.3257 0017189 261.0540 212.7808 15.03111625 06
# 20230627.82-20230629.36, 13 measurements, 0.145 kHz rms
This shows that with some manual work we can also use doppler curves of LORA satellites.
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Corrected TLE for Stratosat TK-1
STRATOSAT TK-1 (RS52S)
1 99151U 23091X 23178.60752041 .00009659 00000-0 70046-3 0 9995
2 99151 97.6652 229.0207 0016018 210.3731 135.2161 15.02166880 25
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To @fredy
Please upload this TLE to SatNOGS network
CUBEBEL-2
1 99163U 23178.60752041 .00009659 00000-0 70046-3 0 1232
2 99163 97.6652 229.3207 0010018 222.4731 119.2161 15.02666880 026
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Sorry for the delayed update and by the way we definitely need to go away from me being the bottleneck of adding new TLE in DB in the future, anyway let’s discuss it in another topic.
So,
All updated in DB and Network.
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Good day. A quite significant amount of new information about the objects from this deployment with LoRa transmitters has been received by the tinyGS.com administrator (G4lile0 on Telegram).
For anyone scanning 435/436 MHz to identify orbits, or decode the various downlinks from all these ride-along sats, I wanted to share the particulars here so that if any of these LoRa transmitters are seen in SDR waterfalls, the source won’t be a mystery.
… while the downlink details (or even the existence!) of all these satellites was not completely known before this launch, I guess this is a case of ‘better late than never’.
Thanks,
-Scott, K4KDR
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Corrected TLE for Stratosat TK-1
STRATOSAT TK-1 (RS52S)
1 99151U 23178.60752041 .00000000 00000-0 70046-3 0 04
2 99151 97.6652 229.6640 0010018 224.3731 120.1981 15.02666880 07
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Corrected TLE for UMKA-1
UMKA-1 (RS40S)
1 99136U 23178.60752041 .00000000 00000-0 70046-3 0 07
2 99136 97.6652 229.6640 0010018 224.3731 122.7981 15.02666880 08
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TLE for Rassvet satellites:
RASSVET-1-1
1 99125U 23178.60752041 .00009659 00000-0 70046-3 0 04
2 99125 97.6652 229.3207 0010018 222.4731 119.2161 15.02666880 02
RASSVET-1-2
1 99094U 23178.60752041 .00009659 00000-0 70046-3 0 09
2 99094 97.6652 229.3207 0010018 222.4731 119.2161 15.02666880 07
RASSVET-1-3
1 99093U 23178.60752041 .00009659 00000-0 70046-3 0 08
2 99093 97.6652 229.3207 0010018 222.4731 119.2161 15.02666880 06
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Update for Norby-2:
TLE:
NORBY-2
1 99128U 23181.72008102 .00000000 00000-0 00000-0 0 07
2 99128 97.6652 232.6832 0000000 58.5838 194.4620 15.03065573 00
# 20230627.82-20230630.50, 18 measurements, 0.157 kHz rms
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All latest TLE sets added in DB and Network. Thank you!
3 Likes
There was a technical issue with the Rassvets TLE sets. It was my mistake (copy/paste error) and now is fixed. Thanks to @ENSFNM for noting the issue!
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Nanozond-1 (99143), at least for the moment, is decoding as 2k4 USP, not the 4k8 indicated on the SatNogs ‘Transmitters’ page.
Also, the TLE is close but not exactly accurate.
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MONITOR-3 TLE based on the below observation.
MONITOR-3
1 99138U 23178.60752041 .00000000 00000-0 70046-3 0 09
2 99138 97.6652 229.2610 0010018 222.4731 130.8185 15.02166880 03
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MONITOR-4 TLE based on the below observation.
MONITOR-4
1 99137U 23178.60752041 .00000000 00000-0 70046-3 0 08
2 99137 97.6652 229.3530 0010018 222.4731 130.6702 15.02166880 07
CUBESX-HSE-3 TLE based on the below observation.
CUBESX-HSE-3
1 99141U 23178.60752041 .00000000 00000-0 70046-3 0 03
2 99141 97.6652 229.1544 0010018 222.4731 131.3568 15.02166880 03
NANOZAND-1 TLE based on the below observation.
NANOZAND-1
1 99143U 23178.60752041 .00000000 00000-0 70046-3 0 05
2 99143 97.6652 229.2952 0010018 222.4731 119.1798 15.04548427 01
CUBEBEL-2 TLE based on the below observation.
CUBEBEL-2
1 99163U 23178.60752041 .00000000 00000-0 70046-3 0 07
2 99163 97.6652 228.8709 0010018 222.4731 118.5176 15.02666880 03
And also an ikhnos check.
KUZGTU-1 TLE based on the below observation.
KUZGTU-1
1 99135U 23178.48598380 .00000000 00000-0 50000-4 0 05
2 99135 97.6800 229.4011 0015872 132.1000 249.9650 15.04742672 01
UMKA-1 TLE based on the below observation.
UMKA-1
1 99136U 23178.60752041 .00000000 00000-0 70046-3 0 07
2 99136 97.6652 229.3010 0010018 222.4731 134.0293 15.02166880 02
VIZARD-METEO TLE based on the below observation. (The frequency is 5 kHz lower then registered in the db)
VIZARD-METEO
1 99140U 23178.60752041 .00000000 00000-0 70046-3 0 02
2 99140 97.6652 229.3631 0010018 222.4731 149.4005 15.02166880 07
SVYATOBOR-1 TLE based on the below observation.
SVYATOBOR-1
1 99144U 23178.60752041 .00000000 00000-0 70046-3 0 06
2 99144 97.6652 229.1652 0010018 222.4731 145.4992 15.02166880 03
ACCUBE-01 TLE based on the below observation.
ARCCUBE-01
1 99153U 23178.60752041 .00000000 00000-0 70046-3 0 06
2 99153 97.6652 228.9684 0010018 222.4731 150.3291 15.02166880 02
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This is intentionally left blank, sorry for the spam.
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Hello!
SSTV signals were received by PE0SAT (https://twitter.com/pe0sat/status/1675158999015075841) in the area of 435.825 – was that from UmKA-1?
If so, could you please let us know what SSTV mode is being used?
Thanks very much!
-Scott, K4KDR
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