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   sci.space.policy      Discussions about space policy      106,651 messages   

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   Message 105,006 of 106,651   
   Dean Markley to JF Mezei   
   Re: Not a problem -- this time   
   30 Oct 20 04:43:14   
   
   From: damarkley@gmail.com   
      
   On Friday, October 30, 2020 at 4:24:42 AM UTC-4, JF Mezei wrote:   
   > On 2020-10-29 15:52, Snidely wrote:    
   > > Two defunct orbital masses seem to have not collided.   
   > If 2 satellites, devoid of any fuel, one in retrograde and the other in    
   > normal orbit, both on same plane and roughly same mass, ended up    
   > colliding face to face, what would happen?    
   >    
   > So we end up with a flat pankake that has 0 speed and drops straight down?    
   >    
   > Behave as two tennis balls that bounce off each other, with the    
   > retrograde now in normal orbit and the normal orbit SV now in retrograde?    
   >    
   > Nuclear fission explosion that creates a black hole and sucks all of the    
   > universe?    
   >    
   >    
   > When a car hits a cement wall at speed, it doesn't tend to explode into    
   > a billion bits flying out. Right? Just curious on what the actual    
   > behavious of a satellte would be. Is the energy level such that his is    
   > no longer a mechanical collision, and it behaves very differently?    
   >    
   > In the case of more likely collision (a 50° satellite hitting a nearly    
   > equatorial orbit for instance) would the satellite really spread debris    
   > all over the place or would they remain more or less whole (with big    
   > deformation where collision happened) and just see their    
   > trajectory/orbit changed?   
      
    The Indian ASAT test ought to be a clear answer to your speculation.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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