RE: Titan IV B-30 search elements

From: Ted Molczan (molczan@rogers.com)
Date: Thu Apr 28 2005 - 14:15:43 EDT

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    I have revised my Lacrosse search elsets to create the opportunity to
    circularize the orbit during an apogee pass within range of Diego Garcia, about
    48 h after launch, as was the case with Lacrosses 2, 3 and 4. 
    
    Most of the revision is in the argument of perigee. 
    
    The elsets are based upon lift-off on 2005 Apr 30 at 02:00 UTC, subject to
    revision once the actual T-0 is known.
    
    Lacrosse type 1                                          425 X 671 km
    1 71001U          05120.08651620  .00001267  00000-0  60000-4 0    04
    2 71001  57.0000 149.0000 0177200   0.0000  33.0000 15.06000000    02
    
    Lacrosse type 2                                          570 X 675 km
    1 71001U          05120.08651620  .00000506  00000-0  60000-4 0    09
    2 71001  57.0000 149.0000 0075000   0.0000  33.7000 14.82000000    07
    
    
    For now, my other two search elsets remain the same:
    
    USA 144 type
    1 71002U          05120.08650464  .00690749  00000-0  60000-3 0    08
    2 71002  63.3898 154.6699 0077500  65.0000 328.1000 16.06300000    09
    SDS 2 type
    1 71003U          05120.14261852  .00051582  00000-0  14107-3 0    08
    2 71003  54.9966 146.2891 0014868 298.6913  61.2643 15.92552889    04
    
    I explained the rationale for the various search orbits earlier:
    
    http://satobs.org/seesat/Apr-2005/0273.html
    
    Ted Molczan
    
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