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Koninklijke Nederlandse Vereniging voor Weer- en Sterrenkunde.

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"Koninklijke Nederlandse Vereniging voor Weer- en Sterrenkunde." <[log in to unmask]>
Subject:
From:
Guus Gilein <[log in to unmask]>
Date:
Fri, 20 Apr 2007 12:15:50 +0200
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Reply-To:
Guus Gilein <[log in to unmask]>
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Hallo Marco,

>>> welk object dit geweest zou kunnen zijn?
>>
>> Zou het het ISS geweest kunnen zijn? Die was rond 21.19UT in de buurt.
>> Zie
>> http://www.heavens-above.com/PassDetails.asp?SatID=25544&lat=53.133&lng=6.433&alt=1&loc=Roden&TZ=CET&Date=39191.8049425958
>
> Het ISS was het zeker niet. Die zit op een west-oost traject. Guus: het
> ISS zat
> op het door jouw genoemde tijdstip boven de Indische Oceaan! Hij maakte
> een
> passage om 20:52 UTC.
>

Wat is er dan mis met de gegevens op die link?
Zie hieronder:



--------------------------------------------------------------------------




            Visible Pass Details  | Home | Info. | Orbit | Help |


      Ground Track
              Click here for a view of the ground track during the pass,
centred on your location.



      Whole Sky Chart
            This chart show the path of the satellite across the sky. Please
note that East and West are NOT the "wrong way round" if you hold the chart
over your head to correspond to the view of the sky.




      Pass Details
            Date:  Thursday, 19 April, 2007
            Satellite:  ISS
            Observer's Location:  Roden ( 53.1330°N, 6.4330°E)
            Local Time:  Central European Summer Time (GMT + 2:00)
            Orbit:  322 x 344 km, 51.6° (Epoch 20 Apr)
            Sun altitude at time of
            maximum pass altitude:  -6.1°


            Event Time Altitude  Azimuth  Distance (km)
            Rises above horizon 21:14:25 0° 271° (W ) 2,073
            Reaches 10° altitude 21:16:24 10° 267° (W ) 1,243
            Maximum altitude 21:19:07 60° 188° (S ) 377
            Enters shadow 21:22:06 8° 105° (ESE) 1,344
            Drops below 10° altitude 21:21:51 10° 106° (ESE) 1,243




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