Subj: Fwd: (meteorobs) FW: Texas-Oklahoma re-entry
Date: 10/16/00 10:38:19 PM Pacific Daylight Time
From: fl_botomy@hotmail.com (Joseph DiVito)
To: bardsquill@aol.com




>From: Wayne T Hally
>Reply-To: meteorobs@jovian.com
>To: "'Meteorobs Mail List'"
>Subject: (meteorobs) FW: Texas-Oklahoma re-entry
>Date: Mon, 16 Oct 2000 13:04:23 -0400
>
>----------
>From: Alan Pickup[SMTP:alan@wingar.demon.co.uk]
>Sent: Monday, October 16, 2000 12:07 PM
>To: SeeSat-L
>Subject: Texas-Oklahoma re-entry
>
>Since both I and Harro Zimmer speculated (independently) on Saturday
>that Texas - Oklahoma event on Friday evening (local time) might have
>been the re-entry of a piece of the Glonass launch a few hours earlier,
>a further elset has appeared for the so-called Proton "platform"...
>
>C 2374? Proton platform 152 x 129 km
>1 26567U 00063D 00287.83019657 .14539302 81605-5 14433-3 0 26
>2 26567 64.8034 269.9668 0017643 9.1093 351.7127 16.49742837 09
>
>My SatEvo evolution for the final orbits runs...
>
>C 2374? Proton platform 145 x 125 km
>1 26567U 00063D 00287.89064770 .18678256 26819+0 14384-3 0 90028
>2 26567 64.8028 269.7289 0015132 9.0831 350.9442 16.51735784 17
>C 2374? Proton platform 136 x 120 km
>1 26567U 00063D 00287.95114844 .25529299 76537+0 14274-3 0 90023
>2 26567 64.8019 269.4900 0012043 9.0568 350.9649 16.54325171 27
>C 2374? Proton platform 121 x 112 km
>1 26567U 00063D 00288.01152910 .56971797 59774+1 18830-3 0 90022
>2 26567 64.8006 269.2505 0007381 9.0305 350.9828 16.58731241 33
>
>The last of these orbits takes it along the following track over the USA
>(output based on that from Mike Mccants's LATLONG program):
> UTC Lat Long
> h m s degN degW
> 0 24 30 29.5 104.4
> 0 25 0 31.3 103.4
> 0 25 30 33.1 102.3
> 0 26 0 34.9 101.1
> 0 26 30 36.7 99.9
> 0 27 0 38.4 98.6
> 0 27 30 40.2 97.3
> 0 28 0 41.9 95.9
> 0 28 30 43.6 94.4
> 0 29 0 45.2 92.8
> 0 29 30 46.9 91.1
> 0 30 0 48.5 89.3
>
>The object had passed through perigee at 00:19 UTC when it was over the
>E Pacific, en route to the Mexico coast, so a decay along this arc is
>quite likely.
>
>This track is very close to my estimate on Saturday - the object would
>have passed 3.1 deg W of Abilene, TX, at 00:25:18 UTC (19:25:18 local
>time) and almost directly over Lubbock, TX, 19 seconds later. the track
>would have taken it NNE over Oklahoma and Kansas towards Lincoln, NE,
>which it would have reached at about 00:27:43 UTC were it still in
>orbit.
>
>I am not certain of the accuracy of these times but, if the orbital
>period was correct at the initial elset, then I doubt if they are wrong
>by more than about 10 seconds.
>
>In my opinion, the object sighted was, indeed, the re-entry of the
>Proton platform. I understand that this is a cylinder 3.7m in diameter
>and 4m long, being the casing of the Proton's 4th stage. It weighs some
>800 kg.
>
>
>Alan
>--
>Alan Pickup / COSPAR 2707: 55d53m48.7s N 3d11m51.2s W 156m asl
>Edinburgh / SatEvo & elsets: http://www.wingar.demon.co.uk/satevo/
>Scotland / Decay Watch: http://www.wingar.demon.co.uk/satevo/dkwatch/
>