59100 Object C
matches 24 hours later
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Updated PY4 TLEs below for those that are interested. Generated from on-board GPS.
As it stands, the TLEs in SatNOGS DB are all correct except for PY4-3, which should be updated to Object AZ (which is currently identified as MH-1). Time will tell whether or not Object AZ is a PY4 bird or MH-1, but for now our GPS solutions are a strongest match for that object.
To summarize the current PY4 object guesses:
PY4-1 = Object AS
PY4-2 = Object AT
PY4-3 = Object AZ
PY4-4 = Object AY
The custom TLEs for those that are interested:
PY4-1
1 98954U 24043D 24083.91192100 .00000000 00000+0 23559-2 0 06
2 98954 97.4544 208.9952 0010582 223.1777 276.0144 15.18161515 08
PY4-2
1 98955U 24043D 24083.30174800 .00000000 00000+0 23681-2 0 03
2 98955 97.4558 208.3928 0010825 225.9343 180.0139 15.18105982 04
PY4-3
1 98956U 24043K 24084.28452500 .00000000 00000+0 24374-2 0 08
2 98956 97.4642 209.3897 0011315 209.3343 187.3977 15.18550631 01
PY4-4
1 98957U 24043K 24084.28557900 .00000000 00000+0 25062-2 0 04
2 98957 97.4655 209.3919 0011263 211.2419 191.6758 15.18557028 01
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SONATE-2 will switch on its SSTV transmitter again over Easter. You can find the planned transmission schedule here.
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PY4-3 is listed under NORAD 59145, however this ID is assigned a sat MH-1 in space-track.org. In fact the correct ID seems to be 59143 (OBJECT-AX). Pls check.
This was done on purpose following this suggestion.
@maholli any opinion for 59143 (OBJECT-AX)? Does it match GPS data from PY4-3?
It’s always possible we could be wrong, but as of our last analysis on March 25, OBJECT-AX was no where close to being a PY4 candidate, whereas OBJECT AZ (MH-1) had a consistent sub 10-meter fit.
I’ll have time to do another comparison early next week and report back with our findings.
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