Re: BY F to 072217

From: Leo Barhorst via Seesat-l <seesat-l_at_satobs.org>
Date: Sun, 23 Jul 2017 13:45:07 +0200
Brad Young wrote:
I wonder if some of them have attained the correct orbit

The Iridums you saw are or nearly are (42809) in their operational orbit.
42811 is also nearly in its operational orbit.
I've made a excel sheet with all the Iridium-1 and -2 satellites; see
attached file

Regards,
Leo




2017-07-22 20:01 GMT+02:00 Brad Young via Seesat-l <seesat-l_at_satobs.org>:

> Last night at Tulsa 2 only did deep sky except to look for Mayak – a no
> show naked eye.
>
> Thursday night was interesting. Finally looked for the new Iridium
> satellites and was perplexed - missing quite a few of them. However I was
> able to see the ones listed below even though they were quite a bit lower
> than others that were missed. The reason became more clear on later passes
> at a better phase angle; I noticed that they were very dim comparatively. I
> wonder if some of them have attained the correct orbit and have exposed a
> mirror or panel? Does anyone remember this behavior from the first
> launches? I guess time will tell. Also missed three of the SAR-Lupe
> satellites, so I supposed those have been raised.
> FPAS12,23605,R8336A,20170721,025847,0.5s,-,36.1,-95.9,220,
> FUUG,FNw,k,3s,1,inv,D1CCNNT,N,-,-,-,176.0 1.0 005 44.000 A'F,-,-,3 F seen
> no period on them;FPAS12,42770,R8336B,20170721,031802,1s,-,36.1,-95.
> 9,220,SUBG,-,k,34s,7,k,D1CkNNN,N,-,-,-,-,-,-;FPAS12,
> 42800,R8336C,20170721,035341,1s,-,36.1,-95.9,220,FUBG,-,k,4s,5,inv,D1CkNNT,N,-,-,-,045.0
> 1.0 009 05.625 A,-,-,on minima;FPAS12,41946,R8336D,
> 20170721,040249,0.5s,-,36.1,-95.9,220,FUBG,WEn,k,0.4s,7,inv,D1CkNNT,N,-,-,-,092.4
> 0.5 101 00.924 F,-,-,on minima;FPAS12,42806,R8336E,
> 20170721,042251,1s,-,36.1,-95.9,220,SUBG,-,k,14s,7,k,D1CkNNN,N,-,-,-,-,-,-,bright
> though low;FPAS12,42810,R8336F,20170721,042947,1s,-,36.1,-95.
> 9,220,SUBG,-,k,10s,7,k,D1CkNNN,N,-,-,-,-,-,-,bright though
> low;FPAS12,42804,R8336G,20170721,043824,1s,-,36.1,-95.
> 9,220,SUBG,-,k,45s,6,k,D1CkNNN,N,-,-,-,-,-,-,not as bright as lower
> ones;FPAS12,42809,R8336H,20170721,044723,1s,-,36.1,-95.
> 9,220,SUBG,-,k,33s,7,k,D1CkNNN,N,-,-,-,-,-,-,not as bright as lower ones;
> Brad Young Visual:Bright:20 x 80 Celestron binoculars Dim:22" f/4.2 UC
> ObsessionCOSPAR 8336 =TULSA1 +36.139208,-95.983429 660ft, 201mCOSPAR 8335
> =TULSA2 +35.8311  -96.1411 1083ft, 330mRemote Imaging:7779 32.92 -105.528
> 7000 Mayhill, New Mexico USA7778 -31.2733 149.0644 3400 Siding Spring, NSW,
> Australia7777 38.165653 -2.326735 5150 Nerpio, Spain7780 37.07 -119.4 4610
> Auberry CA USA7782 -32.008 -116.135 984 Perth, WA, AustraliaNumbers above
> and methods explained at: http://www.satobs.org/seesat/Jan-2015/0074.html
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Received on Sun Jul 23 2017 - 06:45:57 UTC

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