LB Obs 2017 Jun 17-18 night; 15074 84 065C recovered

From: Leo Barhorst via Seesat-l <seesat-l_at_satobs.org>
Date: Sun, 18 Jun 2017 04:11:30 +0200
The clouds broke at noon abd with the sun it was getting warm.
In the evening the sky cleared. It was a cleas night with excellent
conditions; but short so close to the start of summer.

15071 84 065C was possibly imaged; although the sat was almost on time
with 264 days old TLE and almost a degree off track; see below.
Satfit gives:
15071   -0.126   -0.225    0.227 15071  264.779
So I'm pretty sure it was 15071.

Look at the 3 passes of 38109. In the first it was almost on time; in the
2nd
pass 0.1 sec late and in the 3rd pass 0.4 sec late. Delta T increases
rapidly.

Several satellites have higher residuals; see below.

40978 15 058Q   4172 E 20170617213243748 17 25 1829068+375294 37 S
40978 15 058Q   4172 E 20170617213252748 17 25 1857449+400127 37 S
29110 06 016D   4172 E 20170617214113761 17 25 1835015+322354 37 S
29110 06 016D   4172 E 20170617214118776 17 25 1838193+345617 37 S
33504 09 003A   4172 E 20170617214159731 17 25 1824419+295990 37 S
33504 09 003A   4172 E 20170617214207702 17 25 1839791+342135 37 S
28811 05 031C   4172 E 20170617214720733 17 25 1819305+303576 37 S
28811 05 031C   4172 E 20170617214727705 17 25 1823248+343442 37 S
28646 05 016A   4172 E 20170617220023743 17 25 1914364+384572 37 S
28646 05 016A   4172 E 20170617220031749 17 25 1922014+355045 37 S
38109 12 014A   4172 E 20170617220547734 17 25 2125027+550088 37 S
38109 12 014A   4172 E 20170617220553746 17 25 2118275+561055 37 S
38109 12 014A   4172 E 20170617220603751 17 25 2105504+580725 37 S
20692 90 050D   4172 E 20170617221106704 17 25 0241879+744940 37 S
20692 90 050D   4172 E 20170617221113724 17 25 0217733+724863 37 S
20692 90 050D   4172 E 20170617221123720 17 25 0154196+695387 37 S
20691 90 050C   4172 E 20170617221113724 17 25 0225868+741103 37 S
20691 90 050C   4172 E 20170617221123720 17 25 0158339+711145 37 S
41386 16 016A   4172 E 20170617221518286 17 25 2319673+565432 37 S
41386 16 016A   4172 E 20170617221528290 17 25 2355473+585031 37 S
23191 94 046A   4172 E 20170617222318298 17 25 2244925+694595 37 S
23191 94 046A   4172 E 20170617222328296 17 25 2304066+683907 37 S
09415 76 091A   4172 E 20170617222823395 17 25 2304644+684181 37 S
09415 76 091A   4172 E 20170617222833367 17 25 2228204+685710 37 S
39766 14 029A   4172 E 20170617222938385 17 25 2245981+653108 37 S
39766 14 029A   4172 E 20170617222944396 17 25 2310022+665527 37 S
15071 84 065C   4172 E 20170617223333406 17 25 2000523+113807 37 S
15071 84 065C   4172 E 20170617223343365 17 25 1949965+083852 37 S
15071 84 065C   4172 E 20170617223348387 17 25 1946200+072723 37 S
42065 17 011B   4172 E 20170617223702341 17 25 1943382+081007 37 S
42065 17 011B   4172 E 20170617223708356 17 25 1947765+085598 37 S
42065 17 011B   4172 E 20170617223718358 17 25 1955124+101058 37 S
42065 17 011B   4172 E 20170617223728357 17 25 2002562+112434 37 S
42058 17 011A   4172 E 20170617223708356 17 25 1944194+075857 37 S
42058 17 011A   4172 E 20170617223718358 17 25 1951406+091340 37 S
42058 17 011A   4172 E 20170617223728357 17 25 1958782+102741 37 S
42058 17 011A   4172 E 20170617223738360 17 25 2006233+114036 37 S
04139 69 091B   4172 E 20170617224510359 17 25 2134537+550333 37 S
04139 69 091B   4172 E 20170617224518365 17 25 2123131+513648 37 S
13153 82 039A   4172 E 20170617224848368 17 25 2115214+492308 37 S
13153 82 039A   4172 E 20170617224858371 17 25 2152275+524265 37 S
31702 07 027B   4172 E 20170617230118392 17 25 2141591+504129 37 S
31702 07 027B   4172 E 20170617230127391 17 25 2201623+502234 37 S
07271 74 024G   4172 E 20170617230458397 17 25 2139353+510654 37 S
07271 74 024G   4172 E 20170617230508396 17 25 2151973+515450 37 F
07271 74 024G   4172 E 20170617230518392 17 25 2204684+523552 37 S
08459 75 112B   4172 E 20170617230918370 17 25 2201752+544360 37 S
37222 10 062A   4172 E 20170617231751968 17 25 2208524+590194 37 S
37222 10 062A   4172 E 20170617231800974 17 25 2239071+591674 37 S
37228 10 062G   4172 E 20170617232052964 17 25 2254961+760247 37 S
37228 10 062G   4172 E 20170617232100979 17 25 2344679+743797 37 I
31797 07 030A   4172 E 20170617232800956 17 25 2306775+664851 37 S
31797 07 030A   4172 E 20170617232808961 17 25 2352211+693981 37 S
28352 04 021A   4172 E 20170617233320956 17 25 2345288+691125 37 S
28352 04 021A   4172 E 20170617233330956 17 25 2321141+661467 37 F
38109 12 014A   4172 E 20170617234850978 17 25 2312498+542028 37 S
38109 12 014A   4172 E 20170617234900981 17 25 2307535+565443 37 S
38109 12 014A   4172 E 20170617234908984 17 25 2302922+590153 37 S
37813 11 050A   4172 E 20170618000020966 17 25 2146718+593835 37 S
37813 11 050A   4172 E 20170618000030945 17 25 2213235+650144 37 S
42065 17 011B   4172 E 20170618002932735 17 25 2227272+703759 37 S
42065 17 011B   4172 E 20170618002939742 17 25 2249693+700588 37 S
42065 17 011B   4172 E 20170618002947756 17 25 2313140+692020 37 S
42058 17 011A   4172 E 20170618002939742 17 25 2230195+701559 37 S
42058 17 011A   4172 E 20170618002949748 17 25 2300881+692821 37 S
10521 77 119B   4172 E 20170618003830708 17 25 2215506+480977 37 S
10521 77 119B   4172 E 20170618003839716 17 25 2236414+500596 37 S
41026 15 064A   4172 E 20170618004453708 17 25 2217030+461543 37 S
41026 15 064A   4172 E 20170618004459721 17 25 2228909+502828 37 S
28492 04 049A   4172 E 20170618005500728 17 25 2320726+291261 37 S
28492 04 049A   4172 E 20170618005509731 17 25 2307937+264767 37 S
28492 04 049A   4172 E 20170618005517740 17 25 2257054+243339 37 S
25944 99 058B   4172 E 20170618005459732 17 25 2257336+264132 37 F
25944 99 058B   4172 E 20170618005509731 17 25 2301439+254548 37 S
25944 99 058B   4172 E 20170618005517740 17 25 2304590+250090 37 S
25944 99 058B   4172 E 20170618005529733 17 25 2309086+235662 37 F
13172 82 041C   4172 E 20170618010503692 17 25 2227100+182580 37 S
13172 82 041C   4172 E 20170618010509715 17 25 2231564+205186 37 S
13172 82 041C   4172 E 20170618010519713 17 25 2239776+250719 37 S
40964 15 058A   4172 E 20170618011919735 17 25 2241216+232383 37 S
40964 15 058A   4172 E 20170618011929732 17 25 2243489+211414 37 S
40964 15 058A   4172 E 20170618011939728 17 25 2245551+191117 37 S
40981 15 058R   4172 E 20170618011922723 17 25 2242436+241351 37 S
40981 15 058R   4172 E 20170618011929732 17 25 2244066+224103 37 S
40981 15 058R   4172 E 20170618011939728 17 25 2246193+203445 37 S
23088 94 023B   4172 E 20170618012841733 17 25 2259326+241056 37 S
23088 94 023B   4172 E 20170618012849736 17 25 2309430+255043 37 S
23088 94 023B   4172 E 20170618012859744 17 25 2322394+274964 37 S
38109 12 014A   4172 E 20170618013049713 17 25 2319447+242458 37 S
38109 12 014A   4172 E 20170618013059709 17 25 2314929+261828 37 S
38109 12 014A   4172 E 20170618013106725 17 25 2311545+274083 37 S

Residuals wrt the latest classfd.tle file.
Norad Cospar         Cross-track     delta T      TLE age  range
15071 84 065C  | -0.71089 deg   -0.620 sec 264.8 day, 1049.1 km
37813 11 050A  | -0.00753 deg   -1.242 sec   2.0 day, 684.1 km
13172 82 041C  | -0.12689 deg   -1.935 sec  17.0 day, 881.2 km

The residuals of the other classified satellites are low.
2017 total obs: 7467+ 91 = 7558
************************************************************
***************************
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 Sat Jun 17 2017 - 21:12:22 UTC

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