PassFinder Applet: predict passes of satellites and show details of the passes
Joachim Köppen Strasbourg 2010
Short User's Guide
This text you may copy and paste into a text editor for further use of the predictions (e.g. import in Excel). Please note that depending on the fonts used by your web browser, the horizontal alignment of the text may be imperfect, as shown here ;-)

The red part of the track shows when it is visible from the station (the blue dot). The blue open circle indicates the equator crossing for this pass. To see any other plot, choose the parameters to be displayed as x and y. Clicking on the plot displays the x and y-values of the clicked position. Click 'drag & zoom' then drag the mouse over a rectangle will show this zoomed view.
To see the same plot for the next or the previous pass, click on the respective navigation buttons ...

This text table you may copy and paste into a text editor for further use of the predictions (e.g. import in Excel). Please note that depending on the fonts used by your web browser, the horizontal alignment of the text could be less perfect than shown here!

The small triangle indicates AOS.

The small triangle indicates AOS. A red dot may indicate a problem for those rotators whose range is only from 0 to 360 degrees in azimuth, as the satellite would cross the northern meridian, and the azimuth rotator would need to make a time-consuming complete turn to recapture the satellite.

This gives the explanations of the parameters. You may alter the data, but it important that you keep the same format - as also indicated. Then click on modify TLE button to see the predictions done with the changed parameters. This current TLE is written onto the textarea accessible by choosing enter your TLE. You may alter it here, too, or copy and paste it for use in other programs ...
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last update: March 2011 J.Köppen