Re: AEHF 1 elements

From: gprichard (g.prichard55@optusnet.com.au)
Date: Wed Sep 15 2010 - 10:14:50 UTC

  • Next message: Russell Eberst: "2010SEP14.OBS"

    Are the rocket burns themselves visible?
        Gordon
    
    ----- Original Message ----- 
    From: "Ted Molczan" <ssl3molcz@rogers.com>
    To: <SeeSat-L@satobs.org>
    Sent: Wednesday, September 15, 2010 11:13 AM
    Subject: AEHF 1 elements
    
    
    > Using well-spaced observations by Derek Breit and Peter Wakelin, I
    have obtained fairly accurate
    > Segment 2 Burn 5 elements:
    >
    > AEHF 1                                                3091 X 49976 km
    > 1 36868U 10039A   10257.94669560  .00000000  00000-0  00000-0 0    07
    > 2 36868  17.0127 301.4109 7123000 195.0611  83.0539  1.45427241    03
    > Arc 20100913.18-0914.95 WRMS resid 0.005 totl 0.004 xtrk
    >
    > It would be prudent to expect another manoeuvre tonight, roughly
    centred on the apogee of Sep 15 at
    > 03:11 UTC. If it is similar to the last one, then it will last about 2
    hours, and this would be the
    > approximate result:
    >
    > Segment 2 Burn 6 estimate                             3959 X 49975 km
    > 1 70012U          10258.13226853  .00000000  00000-0  00000-0 0    09
    > 2 70012  15.8000 300.4745 6900000 196.3968 178.8300  1.42600000    06
    >
    > If not seen in the epoch 10257.95 orbit, then look for it near the
    70012 elset orbit, allowing at
    > least a minute or two time uncertainty, and ~0.3 deg track
    uncertainty.
    >
    > Happy hunting!
    > Ted Molczan
    >
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