Fast mover at Siding Spring Obs.

From: Tony Beresford (dberesford@adam.com.au)
Date: Wed Jul 21 2004 - 12:57:16 EDT

  • Next message: Russell Eberst: "JUL21-22.OBS"

    Dear Seesaters, a puzzle from an observation made during  the SS survey for asteroids.
    sent to me by Rob McNaught. (Use -31.2745,      149.0703 E ht 3800 feet)
    [He says ]
    Can't link it up with any satellites to the best of my ability.
    [Using SAT_ID of Bill Gray]
    I cant make any match myself with either SAT_ID or FINDSAT, using latest
    alldat.tle, using matching radius of 2 degrees, and in FINDSAT case
    a timing error of 200 seconds.
    
                        mm dd.ddddd      RA          Dec                Mag
         4N47379  C2004 07 21.53242 19 54 21.75 -19 13 20.5          15.5 R      E12
         4N47379  C2004 07 21.54093 19 54 47.32 -19 06 08.4          16.1 R      E12
         4N47379  C2004 07 21.55047 19 55 15.41 -18 57 50.7          15.5 R      E12
    
    A hour or so later ,The Minor Planet Centre  says these observations give a  geocentric orbit.
        i=34deg, perigee radius = 1.5 ER,a = 10 ER and apogee radius thus = 21.5 ER 
    Does anybody have suggestions of an ID based on the shape of above orbit?
    The incination means it cant be smart-1, and the 3000Km perigee altitude
    means it cant be genesys or wind or geotail
    Tony Beresford
    -31.2745  -149.0703  3800.
    
    
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