Firefly ALPHA: Noise of Summer Launch (ELaNa 43) - 2024-07-04 04:04 UTC

Satellites & Observations Launches
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We still need some details, but here already some information that we can find.

Temporary NORAD ID Satellite Frequency Notes Deployed
COMMERCIAL UHF
98884 TechEdSat-11 (TES-11) 401.875 MHz Frequency from ITU entry Directly
AMATEUR UHF
99219 MESAT-1 435.800 MHz IARU Coordinated for downlink on this frequency Directly
98886 Serenity 437.000 MHz IARU Coordinated for downlink on this frequency Directly
98888 KUbeSat1 437.085 MHz IARU Coordinated for downlink on this frequency Directly
98887 SOC-i 437.125 MHz IARU Coordinated for downlink on this frequency Directly
99164 CatSat 437.185 MHz IARU Coordinated for downlink on this frequency Directly
OTHER BANDS
98883 R5-S4 1621.250 MHz Frequency from ITU entry Directly
98885 R5-S2-2.0 1621.250 MHz Frequency from ITU entry Directly
98884 TechEdSat-11 (TES-11) 2280.000 MHz Frequency from ITU entry Directly

Source: Noise of Summer - Firefly Aerospace

Launch Timeline

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Launch Info

June 26th, 9-9:30PM PST

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The date range has been shifted from June 30th to July 1st.

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Now confirmed as July 1st. Though it is actually 0403 UTC on July 2nd.

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I’ve updated the information for the satellites in the first post. Thanks to @PE0SAT for his help on gathering info. It looks like we are almost ready for the launch.

As we get closer to the launch, we are going to publish here the TLE sets for the satellites and also we are going to schedule observations in Network sharing the stations observations among the satellites.

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EDIT this dataset has some calculations wrong, a new post will follow with new TLE sets.

Here are some preliminary TLE sets for this launch. NORAD IDs have been adjusted to follow the temporary ones we use in SatNOGS DB:

MESAT-1
1 99219U          24184.17222222  .00000000  00000-0  50000-4 0    01
2 99219  97.4000  35.8220 0001454   0.0000 163.8800 15.21937999    07
CatSat
1 99164U          24184.17222222  .00000000  00000-0  50000-4 0    00
2 99164  97.4000  35.8220 0001454   0.0000 163.8800 15.21937999    06
R5-S4
1 98883U          24184.17222222  .00000000  00000-0  50000-4 0    07
2 98883  97.4000  35.8220 0001454   0.0000 163.8800 15.21937999    03
TechEdSat-11
1 98884U          24184.17222222  .00000000  00000-0  50000-4 0    08
2 98884  97.4000  35.8220 0001454   0.0000 163.8800 15.21937999    04
R5-S2-2.0
1 98885U          24184.17222222  .00000000  00000-0  50000-4 0    09
2 98885  97.4000  35.8220 0001454   0.0000 163.8800 15.21937999    05
Serenity
1 98886U          24184.17222222  .00000000  00000-0  50000-4 0    00
2 98886  97.4000  35.8220 0001454   0.0000 163.8800 15.21937999    06
SOC-i
1 98887U          24184.17222222  .00000000  00000-0  50000-4 0    01
2 98887  97.4000  35.8220 0001454   0.0000 163.8800 15.21937999    07
KUbeSat-1
1 98888U          24184.17222222  .00000000  00000-0  50000-4 0    02
2 98888  97.4000  35.8220 0001454   0.0000 163.8800 15.21937999    08
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Here are the fixed preliminary TLE sets for the launch, again NORAD IDs have been adjusted to follow the temporary ones we use in SatNOGS DB:

MESAT-1
1 99219U          24184.17222222  .00000000  00000-0  50000-4 0    01
2 99219  97.4000  37.0750 0001454   0.0000 144.8600 15.21937999    06
CatSat
1 99164U          24184.17222222  .00000000  00000-0  50000-4 0    00
2 99164  97.4000  37.0750 0001454   0.0000 144.8600 15.21937999    05
R5-S4
1 98883U          24184.17222222  .00000000  00000-0  50000-4 0    07
2 98883  97.4000  37.0750 0001454   0.0000 144.8600 15.21937999    02
TechEdSat-11
1 98884U          24184.17222222  .00000000  00000-0  50000-4 0    08
2 98884  97.4000  37.0750 0001454   0.0000 144.8600 15.21937999    03
R5-S2-2.0
1 98885U          24184.17222222  .00000000  00000-0  50000-4 0    09
2 98885  97.4000  37.0750 0001454   0.0000 144.8600 15.21937999    04
Serenity
1 98886U          24184.17222222  .00000000  00000-0  50000-4 0    00
2 98886  97.4000  37.0750 0001454   0.0000 144.8600 15.21937999    05
SOC-i
1 98887U          24184.17222222  .00000000  00000-0  50000-4 0    01
2 98887  97.4000  37.0750 0001454   0.0000 144.8600 15.21937999    06
KUbeSat-1
1 98888U          24184.17222222  .00000000  00000-0  50000-4 0    02
2 98888  97.4000  37.0750 0001454   0.0000 144.8600 15.21937999    07
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Scheduling in Network for the next 48h is done. Totally 1227 observations, with most of them over 10 degrees elevation, have been scheduled. However it may need some re-scheduling after having more accurate orbital data.

Satellite Number of Scheduled Observaitons
SOC-i 199
TechEdSat-11 165
MESAT-1 218
CatSat 236
KUbeSat-1 202
Serenity 207
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Launch is on hold, trying to catch the window. New TLE set will be generated after a successful launch. Observations are going to be re-scheduled as soon as we have the TLE sets in SatNOGS DB.

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TLE sets for the new launch time that was announced on the stream, 2024-07-02 04:33:

MESAT-1
1 99219U 14900A   24184.19305555  .00000000  00000-0  50000-4 0    08
2 99219  97.4000  44.5955 0001454   0.0000 144.8600 15.21937999    06
CatSat
1 99164U 14900A   24184.19305555  .00000000  00000-0  50000-4 0    07
2 99164  97.4000  44.5955 0001454   0.0000 144.8600 15.21937999    05
R5-S4
1 98883U 14900A   24184.19305555  .00000000  00000-0  50000-4 0    04
2 98883  97.4000  44.5955 0001454   0.0000 144.8600 15.21937999    02
TechEdSat-11
1 98884U 14900A   24184.19305555  .00000000  00000-0  50000-4 0    05
2 98884  97.4000  44.5955 0001454   0.0000 144.8600 15.21937999    03
R5-S2-2.0
1 98885U 14900A   24184.19305555  .00000000  00000-0  50000-4 0    06
2 98885  97.4000  44.5955 0001454   0.0000 144.8600 15.21937999    04
Serenity
1 98886U 14900A   24184.19305555  .00000000  00000-0  50000-4 0    07
2 98886  97.4000  44.5955 0001454   0.0000 144.8600 15.21937999    05
SOC-i
1 98887U 14900A   24184.19305555  .00000000  00000-0  50000-4 0    08
2 98887  97.4000  44.5955 0001454   0.0000 144.8600 15.21937999    06
KUbeSat-1
1 98888U 14900A   24184.19305555  .00000000  00000-0  50000-4 0    09
2 98888  97.4000  44.5955 0001454   0.0000 144.8600 15.21937999    07
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Unfortunately launch was scrubbed for today. So, now we are waiting for an announcement about the next launch opportunity.

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According to the latest updates the new launch timestamp is 2024-07-03 04:03 UTC.

Later today I’ll post again updated TLE sets.

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One more update from Firefly that they will not try to launch in the new datetime announced earlier. A new window will be determined.

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https://twitter.com/Firefly_Space/status/1808613970334416979

is scheduled for 04:04 UTC.

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New preliminary TLE based on the 2024-07-04T04:04:00 UTC launch date and time.

MESAT-1
1 99219U          24186.17291666  .00000000  00000-0  50000-4 0    01
2 99219  97.4000  39.2969 0001454   0.0000 144.8600 15.21937999    02
CATSAT
1 99164U          24186.17291666  .00000000  00000-0  50000-4 0    00
2 99164  97.4000  39.2969 0001454   0.0000 144.8600 15.21937999    01
R5-S4
1 98883U          24186.17291666  .00000000  00000-0  50000-4 0    07
2 98883  97.4000  39.2969 0001454   0.0000 144.8600 15.21937999    08
TECHEDSAT-11
1 98884U          24186.17291666  .00000000  00000-0  50000-4 0    08
2 98884  97.4000  39.2969 0001454   0.0000 144.8600 15.21937999    09
R5-S2-2.0
1 98885U          24186.17291666  .00000000  00000-0  50000-4 0    09
2 98885  97.4000  39.2969 0001454   0.0000 144.8600 15.21937999    00
SERENITY
1 98886U          24186.17291666  .00000000  00000-0  50000-4 0    00
2 98886  97.4000  39.2969 0001454   0.0000 144.8600 15.21937999    01
SOC-i
1 98887U          24186.17291666  .00000000  00000-0  50000-4 0    01
2 98887  97.4000  39.2969 0001454   0.0000 144.8600 15.21937999    02
KUBESAT-1
1 98888U          24186.17291666  .00000000  00000-0  50000-4 0    02
2 98888  97.4000  39.2969 0001454   0.0000 144.8600 15.21937999    03
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Unfortunately haven’t seen that early :frowning:

The satellites have been set as launched and scheduled for the first 24h with the TLE @PE0SAT posted above.

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Nothing heard on 435 MHz on this pass over Minsk :frowning:

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Nothing heard yet on Network observations too. However most of them were low elevation ones, so we keep tracking.

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Given that we haven’t listened anything yet and there are some references that some of the satellites are alive, we may need to consider that the preliminary TLE sets aren’t accurate. However until someone else share anything more accurate we will continue trying with these.

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We have TLE from space-track, which confirms that our preliminary TLE were very close:

0 TBA - TO BE ASSIGNED
1 60203U 24126A   24186.55623994 -.00000079  00000-0  00000+0 0  9996
2 60203  97.3158  40.6714 0053031 256.1787 191.8334 15.26459174    54
0 TBA - TO BE ASSIGNED
1 60204U 24126B   24186.55798365 -.00000069  00000-0  00000+0 0  9991
2 60204  97.3219  39.4368 0020659 251.3829 199.4310 15.20834757    54
0 TBA - TO BE ASSIGNED
1 60205U 24126C   24186.55765001 -.00000069  00000-0  00000+0 0  9993
2 60205  97.3243  39.4465 0021248 251.4901 197.0698 15.20461757    56
0 TBA - TO BE ASSIGNED
1 60206U 24126D   24186.55738278 -.00000069  00000-0  00000+0 0  9990
2 60206  97.3232  39.4460 0025477 251.2826 194.9222 15.19785027    58
0 TBA - TO BE ASSIGNED
1 60207U 24126E   24186.55833862 -.00000069  00000-0  00000+0 0  9996
2 60207  97.3235  39.4433 0026063 254.9561 196.2828 15.19645968    56
0 TBA - TO BE ASSIGNED
1 60208U 24126F   24186.55740784 -.00000069  00000-0  00000+0 0  9997
2 60208  97.3249  39.4483 0026249 255.6498 190.2366 15.19429788    62
0 TBA - TO BE ASSIGNED
1 60209U 24126G   24186.55793875 -.00000068  00000-0  00000+0 0  9996
2 60209  97.3192  39.4360 0024944 264.5227 183.7607 15.19026686    57
0 TBA - TO BE ASSIGNED
1 60210U 24126H   24186.55244866 -.00000069  00000-0  00000+0 0  9990
2 60210  97.3237  39.4424 0026404 264.3075 154.0856 15.19128398    52

So, it is strange that we haven’t received any of the satellites yet.

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