Re: Progress M-60 - Element Set and Visibility

From: Robert Holdsworth (robbonz1@xtra.co.nz)
Date: Wed May 09 2007 - 14:45:37 EDT

  • Next message: Erkenswick, Tom M. (JSC-DM3): "RE: Progress M-60 - Element Set and Visibility"

    According to http://spaceflight.nasa.gov which calls the craft Progress 25 
    (a minor matter I guess) it shows a docking of 01:10 EDT on Tuesday (as I 
    understand it 0510 UTC.) which would put it only minutes before a pass which 
    may be visible here. (Although it is very early evening the sky may be dark 
    enough as nights will be long here by then.)  If this one is correct I won't 
    get to watch it online but will have a chance to rush outside to see what is 
    happening, weather permitting!
    
    Is there a time conversion issue here,  if not I guess the Russian one 
    should be taken as more authoritative?
    
    Robert
    Wainuiomata
    New Zealand
    174.948E
    41.261S
    
    
    ----- Original Message ----- 
    From: "Bob Christy" <rdc@zarya.info>
    To: <seesat-l@satobs.org>
    Sent: Wednesday, May 09, 2007 11:32 PM
    Subject: Progress M-60 - Element Set and Visibility
    
    
    > Progress M-60 is scheduled to launch from Baikonur to the ISS on May 12 at
    > 03:25:36 GMT. Some details, in Russian, are here (try Babelfish for a
    > translation):
    > http://www.mcc.rsa.ru/progres_m60.htm
    >
    > Docking with the ISS is due May 15 at 09:12 GMT +/- 3 min.
    >
    > This element set will be good for the first five or so circuits, by which
    > time Spacetrack element sets should be available:
    >
    > PROGRESS-M 60
    > 1 99999U 07999A   07132.19648835  .01000000  12013-4  00000+0 0    00
    > 2 99999  51.5715 290.5119 0044198  80.8015 279.7288 16.24602160    18
    >
    > The orbit plane is badly placed for most peoples' visibility.
    >
    > It should be observable from some parts of Australia during rev 3 and rev 
    > 4
    > - approx five and 6.5 hours after launch respectively. Progress will be
    > preceded by it's final rocket stsge that will be opening up a gap at a 
    > rate
    > of about 5s per circuit.
    >
    > For the benefit of lay members - this is a search orbit and will be quite
    > adequate to locate Progress M-60. It is subject to under/over performance 
    > of
    > the Soyuz-U launch vehicle and takes no account of planned orbit
    > adjustments. These are the reasons it has limited validity.
    >
    > Bob Christy
    > Lincoln, UK
    > 53.2233 deg North
    > 0.6004 deg West
    > Height 59m
    >
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