Updated elements

From: Ted Molczan (ssl3molcz@rogers.com)
Date: Fri Jun 25 2010 - 14:16:05 UTC

  • Next message: Marco Langbroek: "SATOBS ML (4353), 24 Jun 2010: USA 161, Progress-M 04M"

    Kevin Fetter, Alberto Rango, Greg Roberts, Brad Young, and I, contributed observations used to
    determine one or more of the following element sets.
    
    Greg's observations of PAN on 2010 Jun 23, near 18:00 UTC, revealed it about 0.5 deg west of its
    recent location at 38.0 E. Peter Wakelin observed it near 38 E about 18.5 h earlier, so Greg caught
    it not long after its manoeuvre. Assuming a rate of drift of ~1 deg/d west, I estimate the following
    orbit:
    
    PAN                                                  35847 X 35884 km
    1 35815U 09047A   10174.75157407  .00000000  00000-0  00000-0 0    04
    2 35815   0.0270 257.1411 0004449  70.5624 252.1867  0.99995000    01
    Arc 20100623.75-0623.75 WRMS resid 0.021 totl 0.019 xtrk
    
    Greg has reported the first new positional observations of the X-37B OTV-1 in 16 days. It was ~6 s
    late relative my epoch 10159.09 elset.
    
    OTV-1                                                    400 X 422 km
    1 36514U 10015A   10175.68561539  .00000885  00000-0  13821-4 0    06
    2 36514  39.9800 330.9278 0016033 114.1005 246.1493 15.52711476    05
    Arc 20100602.13-0624.73 WRMS resid 0.024 totl 0.008 xtrk
    
    Ted Molczan
    
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