Re: Orbital Mechanics Question.

From: Allen Thomson (thomsona@flash.net)
Date: Mon May 22 2000 - 06:14:02 PDT

  • Next message: Tony Beresford: "May 22 observation"

     David M Brierley noted:
    
    > Also the inclination of a satellite oscillates when it passes through a
    > resonance.  The best-known resonance is when a satellite doing 15
    > revs/day has the same ground track every day.  If the satellite takes
    > months to pass through the resonance, the effect is large enough to be
    > seen in US Space Com elsets.
    >
    
    I will not pass up this opportunity to put in a word in for my favorite
    resonance, the 14th order one that is seen strikingly in the Cosmos 1603
    series of satellites and their associated Zenit upper stages (which are also
    flashers mentioned often here).  Not only inclination but period/mean
    altitude are strikingly affected.  Last time I looked, the record-holder
    Cosmos 1833 (17589) was in another phase of sucking energy from the Earth
    via this resonance.
    
    
    
    
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