LB Obs 2017 Dec 17 am

From: Leo Barhorst via Seesat-l <seesat-l_at_satobs.org>
Date: Sun, 17 Dec 2017 08:50:28 +0100
Yesterday afternoon the sky cleared a bit, but at darkness more
and more clouds preventing observing. Later in the evening the sky cleared.
At 03:30 UT the sky was clear; frosty night.
Saw several nice meteorides.

31702 07 027B   4172 G 20171217043420230 F, P ~ 13 sec.
20025 89 039B   4172 G 20171217045308421 F, P ~ 70 sec.
This is a Glonass navigation satellite at 19000 km height.
20322 89 089A   4172 G 20171217063011409 F, P ~ 12 sec + f

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

25622 99 004B   4172 G 20171217040210232 17 25 1413669+194396 37 S
25622 99 004B   4172 G 20171217040220228 17 25 1420349+195813 37 S
25622 99 004B   4172 G 20171217040230236 17 25 1426996+201031 37 S
25622 99 004B   4172 G 20171217040240234 17 25 1433489+202036 37 S
41334 16 010A   4172 G 20171217041640210 17 25 1442318+342833 37 S
41334 16 010A   4172 G 20171217041650205 17 25 1430710+343336 37 S
41334 16 010A   4172 G 20171217041700212 17 25 1418618+343404 37 S
40964 15 058A   4172 G 20171217043310232 17 25 1849439+654657 37 S
40964 15 058A   4172 G 20171217043320229 17 25 1834910+635741 37 S
40964 15 058A   4172 G 20171217043330229 17 25 1822451+620405 37 S
40981 15 058R   4172 G 20171217043311229 17 25 1858579+663597 37 S
40981 15 058R   4172 G 20171217043320229 17 25 1844410+650010 37 S
40981 15 058R   4172 G 20171217043330229 17 25 1830796+631114 37 S
40981 15 058R   4172 G 20171217043340232 17 25 1819031+611745 37 S
31702 07 027B   4172 G 20171217043420230 17 25 1907406+641167 37 F
31702 07 027B   4172 G 20171217043430230 17 25 1847693+621744 37 F
31702 07 027B   4172 G 20171217043440232 17 25 1830682+601448 37 S
00733 64 002A   4172 G 20171217045050217 17 25 1849797+654249 37 S
00733 64 002A   4172 G 20171217045100224 17 25 1920797+661565 37 S
20025 89 039B   4172 G 20171217045308421 17 25 1503774+292931 37 F
20025 89 039B   4172 G 20171217045318422 17 25 1504004+292373 37 S
20025 89 039B   4172 G 20171217045408420 17 25 1504970+285636 37 S
20025 89 039B   4172 G 20171217045418425 17 25 1505217+285040 37 F
20025 89 039B   4172 G 20171217045428422 17 25 1505343+284454 37 S
20025 89 039B   4172 G 20171217045518424 17 25 1506305+281712 37 F
20025 89 039B   4172 G 20171217045528424 17 25 1506467+281134 37 S
20025 89 039B   4172 G 20171217045628426 17 25 1507719+273803 37 F
20025 89 039B   4172 G 20171217045638426 17 25 1507845+273254 37 S
20025 89 039B   4172 G 20171217045728424 17 25 1508849+270492 37 S
23851 96 024A   4172 G 20171217045548428 17 25 1503440+284912 37 S
23851 96 024A   4172 G 20171217045558424 17 25 1452648+263589 37 S
23851 96 024A   4172 G 20171217045605434 17 25 1445456+245986 37 S
33433 08 056A   4172 G 20171217050558437 17 25 1344003+532843 37 S
33433 08 056A   4172 G 20171217050608421 17 25 1323313+494272 37 S
24753 97 012A   4172 G 20171217050958401 17 25 1348161+530332 37 S
24753 97 012A   4172 G 20171217051008409 17 25 1328609+493208 37 S
36089 09 061B   4172 G 20171217052003440 17 25 1436021+545471 37 S
36089 09 061B   4172 G 20171217052008419 17 25 1422732+530637 37 S
32283 07 053A   4172 G 20171217052505437 17 25 1436399+480032 37 S
32283 07 053A   4172 G 20171217052513410 17 25 1450387+535381 37 S
32283 07 053A   4172 G 20171217052513793 17 25 1451229+541066 37 S
42065 17 011B   4172 G 20171217053702385 17 25 1445631+714026 37 S
42065 17 011B   4172 G 20171217053708408 17 25 1507973+713207 37 S
42065 17 011B   4172 G 20171217053717413 17 25 1539634+710371 37 S
42058 17 011A   4172 G 20171217053708408 17 25 1445451+712212 37 S
42058 17 011A   4172 G 20171217053718410 17 25 1521424+710525 37 S
42058 17 011A   4172 G 20171217053723973 17 25 1540573+704481 37 S
21798 91 082A   4172 G 20171217054420977 17 25 1504179+431501 37 S
21798 91 082A   4172 G 20171217054430979 17 25 1447573+401024 37 S
28537 05 004A   4172 G 20171217054810976 17 25 2000851+605930 37 S
28537 05 004A   4172 G 20171217054820984 17 25 1951201+591889 37 S
28537 05 004A   4172 G 20171217054830980 17 25 1942666+573875 37 S
28537 05 004A   4172 G 20171217054840978 17 25 1935227+555747 37 S
28541 05 004C   4172 G 20171217054820984 17 25 1957558+601806 37 S
28541 05 004C   4172 G 20171217054830980 17 25 1948338+583850 37 S
28541 05 004C   4172 G 20171217054840978 17 25 1940307+565836 37 S
28541 05 004C   4172 G 20171217054847998 17 25 1935171+554744 37 S
32289 07 055A   4172 G 20171217055120995 17 25 2009666+604075 37 S
32289 07 055A   4172 G 20171217055130993 17 25 1948547+615219 37 S
32786 08 021D   4172 G 20171217055510953 17 25 1750728+533288 37 S
32786 08 021D   4172 G 20171217055520960 17 25 1723992+521492 37 F
40376 15 003A   4172 G 20171217055903181 17 25 1740161+573333 37 R
41334 16 010A   4172 G 20171217055933945 17 25 1743814+512585 37 S
41334 16 010A   4172 G 20171217055940962 17 25 1738511+524636 37 S
41334 16 010A   4172 G 20171217055950960 17 25 1730040+544367 37 S
11389 79 050A   4172 G 20171217060540971 17 25 1651793+315541 37 S
11389 79 050A   4172 G 20171217060555953 17 25 1633226+284435 37 F
11389 79 050A   4172 G 20171217060558976 17 25 1629754+280383 37 S
10033 77 044A   4172 G 20171217061530991 17 25 1817997+422319 37 S
10033 77 044A   4172 G 20171217061540989 17 25 1830226+443898 37 S
10033 77 044A   4172 G 20171217061549987 17 25 1842156+463655 37 S
31702 07 027B   4172 G 20171217062056014 17 25 1440100+302423 37 S
31702 07 027B   4172 G 20171217062102985 17 25 1443902+281793 37 S
31702 07 027B   4172 G 20171217062109994 17 25 1447618+261616 37 S
40964 15 058A   4172 G 20171217062600956 17 25 1528919+373777 37 S
40964 15 058A   4172 G 20171217062610953 17 25 1532581+345164 37 S
40981 15 058R   4172 G 20171217062601952 17 25 1529214+391570 37 S
40981 15 058R   4172 G 20171217062610953 17 25 1532535+364261 37 S
40981 15 058R   4172 G 20171217062619964 17 25 1535706+341528 37 S
20322 89 089A   4172 G 20171217063011409 17 25 1458699+283501 37 F
20322 89 089A   4172 G 20171217063021405 17 25 1448012+252290 37 F

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
41334 16 010A    |  0.13352 deg    0.936 sec   5.1 day, 1508.4 km
23851 96 024A    | -0.06598 deg   -1.399 sec   5.0 day, 1302.5 km
32283 07 053A    | -0.00348 deg   -1.455 sec   5.0 day, 560.1 km
42065 17 011B    | -0.02619 deg   -1.268 sec  16.5 day, 1279.6 km
42058 17 011A    | -0.00228 deg   -2.162 sec  16.5 day, 1291.9 km
21798 91 082A    |  0.04340 deg    0.915 sec   5.0 day, 972.0 km
41334 16 010A    |  0.03114 deg    1.389 sec   5.2 day, 1524.7 km
10033 77 044A    |  0.06617 deg    2.795 sec  28.0 day, 1369.6 km

The residuals of the other classified satellites are low.
2017 total obs: 13091 + 3 (UNID Dec 05 = 43032) + 81 = 13175
************************************************************
***************************
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 Sun Dec 17 2017 - 01:51:21 UTC

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