RE: STSS-ATRR preliminary elements from observations

From: Ted Molczan (ssl3molcz@rogers.com)
Date: Sat May 09 2009 - 13:41:23 UTC

  • Next message: Bram Dorreman: "Re: STSS-ATRR not seen again"

    Russell Eberst observed STSS-ATRR last night in the same orbit it has occupied
    since launch.
    
    http://satobs.org/seesat/May-2009/0079.html
    
    Here are updated elements:
    
    STSS-ATRR                                                864 X 876 km
    1 34903U 09023A   09128.95229925  .00000000  00000-0  00000-0 0    09
    2 34903  98.9190 227.1399 0008682 263.8041  96.2138 14.06067377    08
    Arc 20090505.9-0508.96 WRMS resid 0.055 totl 0.013 xtrk
    
    The orbit is nearly circular and its plane precesses at nearly the
    sun-synchronous rate; therefore, I doubt there will be any signficant
    manoeuvres.
    
    It is too early to draw firm conclusions about its standard magnitude; for now,
    I am using a value of 6.5 (1000 km, 90 deg phase angle).
    
    Ted Molczan
    
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