LB Obs 2017 Dec 29 am

From: Leo Barhorst via Seesat-l <seesat-l_at_satobs.org>
Date: Fri, 29 Dec 2017 09:57:37 +0100
When I woke up at 03 UT the sky was clear. Later a few thin clouds and
somelarger thicker clouds causing missing a few satellites.
Did image 9 of 10 new Iridiums; 1 missed due to cloud. 43075 is moving
to its operational orbit. and was about 2.5 min behind the last Iridium.

Imaged a UNID which was IDed with Satfit as 42689 17 022A last seen 52
days ago.
42689  -64.839   -1.586    0.036 17863A   52.082
As the range is 7200 km it is doubtfull the ID is correct, but the track
was
about the same as the predicted track.

25615 98 055C   4172 G 20171229064655819 flared

Several satellites have higher residuals, some due to older TLE's; see
below.

39239 13 046A   4172 G 20171229034251379 17 25 1656743+451221 37 S
39239 13 046A   4172 G 20171229034301375 17 25 1705302+443392 37 S
39240 13 046B   4172 G 20171229034301375 17 25 1651150+453802 37 S
39240 13 046B   4172 G 20171229034311381 17 25 1659726+445911 37 S
39241 13 046C   4172 G 20171229034251379 17 25 1653535+463761 37 S
39241 13 046C   4172 G 20171229034301375 17 25 1702188+455486 37 S
39241 13 046C   4172 G 20171229034311381 17 25 1710224+451176 37 S
20691 90 050C   4172 G 20171229034743351 17 25 1721925+491458 37 S
20691 90 050C   4172 G 20171229034751355 17 25 1716366+472960 37 S
20691 90 050C   4172 G 20171229034801357 17 25 1710126+452037 37 S
20691 90 050C   4172 G 20171229034811360 17 25 1704743+431442 37 F
20692 90 050D   4172 G 20171229034821357 17 25 1716875+482189 37 S
20692 90 050D   4172 G 20171229034831351 17 25 1710508+461047 37 S
20692 90 050D   4172 G 20171229034841359 17 25 1704828+440297 37 S
42065 17 011B   4172 G 20171229040551380 17 25 1935103+640141 37 S
42065 17 011B   4172 G 20171229040601376 17 25 1930331+621166 37 S
42065 17 011B   4172 G 20171229040611380 17 25 1926096+602541 37 S
42058 17 011A   4172 G 20171229040601376 17 25 1932555+631790 37 S
42058 17 011A   4172 G 20171229040611380 17 25 1928181+613026 37 S
20642 90 050E   4172 G 20171229041551356 17 25 1715336+565305 37 S
20642 90 050E   4172 G 20171229041601363 17 25 1707251+541236 37 S
20642 90 050E   4172 G 20171229041611361 17 25 1700503+513481 37 S
28537 05 004A   4172 G 20171229041555340 17 25 1653882+570739 37 S
28537 05 004A   4172 G 20171229041601363 17 25 1651368+554414 37 S
28537 05 004A   4172 G 20171229041611361 17 25 1647558+532795 37 S
28541 05 004C   4172 G 20171229041601363 17 25 1655287+570674 37 S
28541 05 004C   4172 G 20171229041611361 17 25 1651127+544944 37 S
28541 05 004C   4172 G 20171229041621356 17 25 1647582+523436 37 S
43079 17 083K   4172 G 20171229042209164 17 25 1432593+143003 37 S
43079 17 083K   4172 G 20171229042216182 17 25 1439448+165029 37 S
43078 17 083J   4172 G 20171229042219171 17 25 1429857+134780 37 S
43078 17 083J   4172 G 20171229042229168 17 25 1439516+170741 37 S
43077 17 083H   4172 G 20171229042239164 17 25 1433682+152604 37 S
43076 17 083G   4172 G 20171229042259167 17 25 1429991+143395 37 S
43076 17 083G   4172 G 20171229042308168 17 25 1438791+173566 37 S
43074 17 083E   4172 G 20171229042349172 17 25 1424630+133981 37 S
43074 17 083E   4172 G 20171229042359167 17 25 1434281+170434 37 S
43072 17 083C   4172 G 20171229042439175 17 25 1422547+135363 37 S
43072 17 083C   4172 G 20171229042449172 17 25 1432148+171999 37 S
43071 17 083B   4172 G 20171229042452159 17 25 1419560+130694 37 S
43071 17 083B   4172 G 20171229042459169 17 25 1426021+152927 37 S
43071 17 083B   4172 G 20171229042509177 17 25 1435944+185850 37 S
43070 17 083A   4172 G 20171229042509177 17 25 1422155+142220 37 S
43070 17 083A   4172 G 20171229042519171 17 25 1431849+175125 37 S
43075 17 083F   4172 G 20171229045259415 17 25 1206895-021108 37 S
40964 15 058A   4172 G 20171229045409176 17 25 1201917-013615 37 S
40964 15 058A   4172 G 20171229045419182 17 25 1207321-030273 37 S
40964 15 058A   4172 G 20171229045429181 17 25 1212420-042667 37 S
40981 15 058R   4172 G 20171229045413160 17 25 1202509-010461 37 S
40981 15 058R   4172 G 20171229045419182 17 25 1205773-015711 37 S
40981 15 058R   4172 G 20171229045429181 17 25 1210997-032355 37 S
40981 15 058R   4172 G 20171229045439177 17 25 1216067-044716 37 S
23533 95 015A   4172 G 20171229050729158 17 25 1752614+424422 37 F
28646 05 016A   4172 G 20171229050851679 17 25 1756756+474309 37 S
28646 05 016A   4172 G 20171229050901681 17 25 1805216+454150 37 S
22285 92 093B   4172 G 20171229050935662 17 25 1744411+453925 37 S
22285 92 093B   4172 G 20171229050941679 17 25 1753385+454779 37 S
22285 92 093B   4172 G 20171229050951677 17 25 1807743+455688 37 S
22285 92 093B   4172 G 20171229050957696 17 25 1816144+455946 37 S
13791 83 008A   4172 G 20171229051932696 17 25 1411837+205610 37 S
13791 83 008A   4172 G 20171229051940699 17 25 1419025+173457 37 S
39027 12 072B   4172 G 20171229052137713 17 25 1424249+201606 37 S
39027 12 072B   4172 G 20171229052145679 17 25 1413284+163466 37 S
23851 96 024A   4172 G 20171229052736380 17 25 1810909+660210 37 S
23851 96 024A   4172 G 20171229052744394 17 25 1746440+654783 37 S
23851 96 024A   4172 G 20171229052751401 17 25 1724870+652179 37 S
24753 97 012A   4172 G 20171229052854390 17 25 2116927+752384 37 S
24753 97 012A   4172 G 20171229052904391 17 25 2049862+774099 37 S
36089 09 061B   4172 G 20171229053225389 17 25 2059407+733798 37 S
36089 09 061B   4172 G 20171229053234394 17 25 2027455+754220 37 S
23405 94 077B   4172 G 20171229053324392 17 25 1728991+543736 37 S
23405 94 077B   4172 G 20171229053334401 17 25 1750306+544685 37 S
20691 90 050C   4172 G 20171229053954368 17 25 1431047+174532 37 S
20691 90 050C   4172 G 20171229054004364 17 25 1435284+154555 37 S
20692 90 050D   4172 G 20171229054034366 17 25 1430315+160159 37 S
20692 90 050D   4172 G 20171229054044372 17 25 1434399+140577 37 S
28538 05 004B   4172 G 20171229054824375 17 25 1429422+195571 37 S
28538 05 004B   4172 G 20171229054834375 17 25 1439554+214059 37 F
28538 05 004B   4172 G 20171229054844372 17 25 1450091+232348 37 S
42689 17 022A   4172 G 20171229055759670 17 25 1412357+175721 37 S
42689 17 022A   4172 G 20171229055801753 17 25 1419251+174968 37 S
42689 17 022A   4172 G 20171229055803989 17 25 1426701+174048 37 S
41334 16 010A   4172 G 20171229060447925 17 25 1347414+254571 37 S
41334 16 010A   4172 G 20171229060457919 17 25 1333851+240800 37 S
41334 16 010A   4172 G 20171229060502945 17 25 1327364+231817 37 S
16969 86 073A   4172 G 20171229060554934 17 25 1325525+263756 37 F
16969 86 073A   4172 G 20171229060557908 17 25 1340552+252910 37 F
28537 05 004A   4172 G 20171229060747887 17 25 1341064+265812 37 S
28537 05 004A   4172 G 20171229060757884 17 25 1348148+244737 37 S
28541 05 004C   4172 G 20171229060757884 17 25 1345666+261982 37 S
35951 09 057A   4172 G 20171229060928881 17 25 1455330+230373 37 S
35951 09 057A   4172 G 20171229060937892 17 25 1447114+200533 37 S
35951 09 057A   4172 G 20171229060947889 17 25 1438698+165197 37 S
38109 12 014A   4172 G 20171229064107808 17 25 1338962+012870 37 S
38109 12 014A   4172 G 20171229064115823 17 25 1332351+023338 37 S
38109 12 014A   4172 G 20171229064125821 17 25 1323790+035520 37 S
38109 12 014A   4172 G 20171229064132119 17 25 1318309+044745 37 S
25615 98 055C   4172 G 20171229064650839 17 25 1658226+345325 37 S
25615 98 055C   4172 G 20171229064655819 17 25 1653039+325063 37 F
25615 98 055C   4172 G 20171229064700799 17 25 1648328+305020 37 S
28646 05 016A   4172 G 20171229065115799 17 25 2015725+643980 37 S
28646 05 016A   4172 G 20171229065120816 17 25 2014420+624742 37 S

Obs format: http://www.satobs.org/position/IODformat.html
Residuals wrt the latest classfd.tle file before the session start.
Norad Cospar         Cross-track     delta T      TLE age  range
20692 90 050D   |  0.06929 deg    7.035 sec  19.9 day, 1521.8 km  1st pass
42058 17 011A   |  0.01601 deg    4.137 sec  12.0 day, 1783.8 km
42065 17 011B   |  0.01792 deg    4.249 sec  12.0 day, 1846.2 km
28537 05 004A   |  0.02786 deg    2.622 sec  12.0 day, 1605.9 km
28541 05 004C   |  0.03316 deg    2.127 sec  12.0 day, 1619.5 km
43075 17 083F   | -0.07256 deg  -27.000 sec   0.7 day, 919.2 km
20692 90 050D   |  0.63751 deg    1.828 sec  20.0 day, 1389.1 km
42689 17 022A   | -59.53946 deg -1409.417 sec  52.1 day, 7284.4 km
28537 05 004A   |  0.00692 deg    2.281 sec  12.0 day, 1344.6 km
38109 12 014A   | -0.15966 deg   -2.430 sec   1.5 day, 1563.9 km
25615 98 055C   |  0.06684 deg    9.432 sec  78.1 day, 926.6 km
20692 90 050D   |  0.07049 deg    7.613 sec  20.0 day, 1412.2 km  2nd pass

The residuals of the other classified satellites are low.
2017 total obs: 13204 + 100 = 13304
************************************************************
***************************
Setup: WATEC 120N, 50 mm F1:1.8, NTP, Celestron Nexstar
Observations made and reduced with Sattools
Cospar 4172 ALMERE 52.3713 N 5.2580 E –3 ASL
Best regards     Leo Barhorst
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Received on Fri Dec 29 2017 - 02:58:35 UTC

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