LB Obs 2017 Jun 20-21 night

From: Leo Barhorst via Seesat-l <seesat-l_at_satobs.org>
Date: Wed, 21 Jun 2017 04:23:28 +0200
The night with the shortest dark period was clear after a warm day.

Imaged a UNID that seems to be 40539 almost 3 minutes before it
was captured in another position. Can't explain the high residuals
as they were low in the latter images.
Satfit:40539    0.685    0.542    0.125 17671A    0.986
Residuals UNID:
40539 15 015B   4172 G 20170620222440616 17 25 1853809+333334 37 S |
4.05485 deg   10.770 sec   1.0 day, 552.2 km
40539 15 015B   4172 G 20170620222441437 17 25 1854119+340179 37 S |
4.04751 deg   10.515 sec   1.0 day, 549.5 km
40539 15 015B   4172 G 20170620222442152 17 25 1854561+342646 37 S |
4.07566 deg   10.298 sec   1.0 day, 547.2 km
Residuals real 40539:
40539 15 015B   4172 G 20170620222445006 17 25 1831227+295287 37 S |
0.01835 deg    0.234 sec   1.0 day, 538.5 km
40539 15 015B   4172 G 20170620222448991 17 25 1832627+325562 37 S |
0.00073 deg    0.192 sec   1.0 day, 527.6 km
40539 15 015B   4172 G 20170620222452017 17 25 1834018+351807 37 S |
0.02868 deg    0.151 sec   1.0 day, 520.3 km

37222 10 062A  was R,  P ~ 0.5 sec.
41875 16 073A  was R, P < 0.5 sec.
08709 76 019A  was F + f,  P~9 sec.

A few satellites have higher residuals; see below.


40538 15 015A   4172 G 20170620210850757 17 25 1823077+364115 37 S
40538 15 015A   4172 G 20170620210854743 17 25 1827453+391932 37 S
11574 79 089B   4172 G 20170620212341768 17 25 1357165+105849 37 S
11574 79 089B   4172 G 20170620212351763 17 25 1359048+141086 37 S
40381 15 004A   4172 G 20170620213214731 17 25 1431209+122972 37 S
40381 15 004A   4172 G 20170620213216761 17 25 1428981+133026 37 S
17369 87 011A   4172 G 20170620213331737 17 25 1406967+123847 37 S
17369 87 011A   4172 G 20170620213341744 17 25 1418862+101783 37 S
38109 12 014A   4172 G 20170620214402756 17 25 1422593+294920 37 S
38109 12 014A   4172 G 20170620214411757 17 25 1413472+275124 37 S
21808 91 076D   4172 G 20170620214611756 17 25 1413208+303811 37 S
21808 91 076D   4172 G 20170620214621752 17 25 1425349+285400 37 S
37954 11 075A   4172 G 20170620214628772 17 25 1431960+264766 37 S
37954 11 075A   4172 G 20170620214633751 17 25 1423623+295193 37 S
31702 07 027B   4172 G 20170620220322737 17 25 1828838+344379 37 S
31702 07 027B   4172 G 20170620220331738 17 25 1848854+365175 37 F
31702 07 027B   4172 G 20170620220337747 17 25 1902620+380748 37 S
42058 17 011A   4172 G 20170620221418980 17 25 1934259+174581 37 S
42058 17 011A   4172 G 20170620221426992 17 25 1941467+184836 37 S
42058 17 011A   4172 G 20170620221436986 17 25 1950549+200451 37 S
42058 17 011A   4172 G 20170620221446984 17 25 1959739+211733 37 S
42065 17 011B   4172 G 20170620221413003 17 25 1933679+180179 37 S
42065 17 011B   4172 G 20170620221426992 17 25 1946258+194968 37 S
42065 17 011B   4172 G 20170620221436986 17 25 1955443+210476 37 S
40539 15 015B   4172 G 20170620222440616 17 25 1853809+333334 37 S
40539 15 015B   4172 G 20170620222441437 17 25 1854119+340179 37 S
40539 15 015B   4172 G 20170620222442152 17 25 1854561+342646 37 S
40539 15 015B   4172 G 20170620222445006 17 25 1831227+295287 37 S
40539 15 015B   4172 G 20170620222448991 17 25 1832627+325562 37 S
40539 15 015B   4172 G 20170620222452017 17 25 1834018+351807 37 S
37222 10 062A   4172 G 20170620224346255 17 25 1649080+242144 37 R
37222 10 062A   4172 G 20170620224354271 17 25 1658331+281749 37 R
41875 16 073A   4172 G 20170620224851284 17 25 1658929+280464 37 R
41875 16 073A   4172 G 20170620224858256 17 25 1654714+242860 37 R
09415 76 091A   4172 G 20170620225415236 17 25 1533970+300091 37 F
09415 76 091A   4172 G 20170620225422255 17 25 1534118+265805 37 S
40964 15 058A   4172 G 20170620230245248 17 25 0033085+620810 37 S
40964 15 058A   4172 G 20170620230255244 17 25 0023225+595942 37 S
40964 15 058A   4172 G 20170620230305251 17 25 0014813+575065 37 S
40981 15 058R   4172 G 20170620230245248 17 25 0040925+631834 37 S
40981 15 058R   4172 G 20170620230255244 17 25 0030139+611191 37 S
40981 15 058R   4172 G 20170620230305251 17 25 0020916+590310 37 S
38109 12 014A   4172 G 20170620232415281 17 25 2247520+644972 37 S
38109 12 014A   4172 G 20170620232425278 17 25 2234013+672730 37 S
37229 10 062H   4172 G 20170620233635251 17 25 2109453+185419 37 F
37229 10 062H   4172 G 20170620233645258 17 25 2116934+202877 37 S
22079 92 052D   4172 G 20170620234458867 17 25 1825877+334322 37 S
22079 92 052D   4172 G 20170620234508864 17 25 1834951+355200 37 S
31797 07 030A   4172 G 20170620234641852 17 25 1839438+315574 37 S
31797 07 030A   4172 G 20170620234646878 17 25 1836303+355545 37 S
20666 90 055D   4172 G 20170620235626888 17 25 1854777+355460 37 S
20666 90 055D   4172 G 20170620235631869 17 25 1906230+325721 37 S
42065 17 011B   4172 G 20170621000251835 17 25 1510309+321439 37 S
42065 17 011B   4172 G 20170621000258844 17 25 1512329+335610 37 S
42065 17 011B   4172 G 20170621000308847 17 25 1515429+362753 37 S
42058 17 011A   4172 G 20170621000258844 17 25 1512378+322059 37 S
42058 17 011A   4172 G 20170621000308847 17 25 1515397+344814 37 S
42058 17 011A   4172 G 20170621000316856 17 25 1517989+364956 37 S
39062 13 002B   4172 G 20170621001236869 17 25 2201886+301082 37 S
10521 77 119B   4172 G 20170621001708863 17 25 1849083+285072 37 S
10521 77 119B   4172 G 20170621001715873 17 25 1856362+315170 37 S
37813 11 050A   4172 G 20170621002055882 17 25 1844284+271838 37 S
37813 11 050A   4172 G 20170621002101857 17 25 1839794+305921 37 S
40310 14 072A   4172 G 20170621002518882 17 25 1931954+253336 37 S
40310 14 072A   4172 G 20170621002524897 17 25 1930144+285642 37 S
08709 76 019A   4172 G 20170621004401856 17 25 2034001+362986 37 F
08709 76 019A   4172 G 20170621004408863 17 25 2037554+340539 37 F
17973 87 041A   4172 G 20170621004738875 17 25 2033799+342510 37 S
17973 87 041A   4172 G 20170621004746880 17 25 2046223+370418 37 S
03158 68 023A   4172 G 20170621005258875 17 25 2112631+372155 37 S
03158 68 023A   4172 G 20170621005305889 17 25 2117244+344729 37 S
25944 99 058B   4172 G 20170621005258875 17 25 2105050+361051 37 F
25944 99 058B   4172 G 20170621005308876 17 25 2113154+350440 37 S
40964 15 058A   4172 G 20170621005450870 17 25 2104989+373596 37 S
40964 15 058A   4172 G 20170621005458879 17 25 2110516+351557 37 S
40964 15 058A   4172 G 20170621005504892 17 25 2114485+333259 37 S
40981 15 058R   4172 G 20170621005458879 17 25 2108989+371476 37 S
40981 15 058R   4172 G 20170621005508876 17 25 2115534+342054 37 S
40306 14 071B   4172 G 20170621010409007 17 25 0003117+421708 37 S
40306 14 071B   4172 G 20170621010417019 17 25 2339401+391121 37 S
28492 04 049A   4172 G 20170621010529023 17 25 0001422+422492 37 S
28492 04 049A   4172 G 20170621010539020 17 25 2341844+395312 37 S
38109 12 014A   4172 G 20170621010613003 17 25 0002902+405538 37 S
38109 12 014A   4172 G 20170621010619027 17 25 0000510+421810 37 S
38109 12 014A   4172 G 20170621010629024 17 25 2356072+444066 37 S
19852 89 018B   4172 G 20170621013519017 17 25 1933918+103036 37 S
19852 89 018B   4172 G 20170621013529017 17 25 1935435+132405 37 S
13172 82 041C   4172 G 20170621013853008 17 25 1945448+103837 37 S
13172 82 041C   4172 G 20170621013859008 17 25 1942433+131867 37 I


Residuals wrt the latest classfd.tle file.
Norad Cospar         Cross-track     delta T      TLE age  range
37229 10 062H   |  0.05476 deg    4.831 sec  62.1 day, 1743.5 km
39062 13 002B   | -0.04677 deg   -0.743 sec   3.0 day, 587.1 km

The residuals of the other classified satellites are low.
2017 total obs: 7670 + 89 = 7759
************************************************************
***************************
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 Tue Jun 20 2017 - 21:24:15 UTC

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