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ASTROMETRIC UPDATE:
OCCULTATION BY (3300) MCGLASSON - 2007 Feb 22

[Detailed Finder Charts]


Updated:   2007 JAN 14, 20:00 UT

Event Rank : 16

(The event Rank is a measure of the likelihood of observing an event, and is equal to the probability of at least one successful observation by a team of two observers spaced 1/8 path width just inside opposite sides of the predicted path. An event rank of 100 indicates that the prediction is expected to be very accurate).


THE UPDATED PATH

Note: The duration given in the line below is the interval during which the occultation shadow sweeps across the Earth - please see the minute markers on the map to determine the approximate time for your location.

McGlasson Update Map


On 2007 Feb 22 UT, the 28 km diameter asteroid (3300) McGlasson will occult a 10.4 mag star in the constellation Scorpius for observers along a path of high uncertainty across south east Australia beginning in Victoria (low altitude) before moving into Bass Strait.

In the case of an occultation, the combined light of the asteroid and the star will drop by 5.4 mag to 15.8 mag (the magnitude of the asteroid) for at most 0.8 seconds.

This update is based on UNSO/Flagstaff astrometry for the asteroid kindly provided by Ron Stone, historical astrometry from the MPC files (via AstDys), and the following catalogs for the star position: UCAC.

Additional details of this and other events are available at Steve Preston's website at http://www.asteroidoccultation.com/

EVENT DETAILS SUMMARY : Data for the target star : Data for the minor planet : The Occultation Path :
                   Centre              Star  Star   Sun     Path Limit1           Path Limit2           Error Limit1          Error Limit2
  E. Longitude    Latitude      U.T.    Alt   Az    Alt                                                                                       
      o  '  "     o  '  "    h  m  s     o     o     o    o  '  "    o  '  "    o  '  "    o  '  "    o  '  "    o  '  "    o  '  "    o  '  "
                                                         Longitude  Latitude   Longitude  Latitude   Longitude  Latitude   Longitude  Latitude
    ... .. ..    .. .. ..   .. .. ..    ..    ..    ..  ... .. ..   .. .. ..  ... .. ..   .. .. ..  145 54 42  -35 18 28  ... .. ..   .. .. ..
    141 57 49   -34 34 36   15  3 59     6   128   -45  142 50 34  -35  3  6  140 57 58  -34  0 33  148 12 26  -37 29 25  ... .. ..   .. .. ..
    144 53 53   -37 17 57   15  4  2    10   127   -42  145 32 22  -37 35  7  144 13 30  -36 59 16  150  2 35  -39 19  6  ... .. ..   .. .. ..
    146 58 59   -39 21 57   15  4  5    12   125   -40  147 32  9  -39 34 40  146 24 50  -39  8 24  151 36 50  -40 56 26  140 41 15  -36 25 14
    148 40 48   -41  7 53   15  4  8    14   124   -38  149 11  7  -41 18  5  148  9 51  -40 57  9  153  0 28  -42 25 28  143 22 32  -39  0 38

    150  8 32   -42 42 51   15  4 11    16   123   -36  150 37  5  -42 51 21  149 39 30  -42 33 57  154 16 23  -43 48 26  145 19 28  -41  1 29
    151 26 33   -44 10 15   15  4 14    18   122   -34  151 53 56  -44 17 32  150 58 47  -44  2 40  155 26 22  -45  6 44  146 54 58  -42 45 38
    152 37 22   -45 32  3   15  4 16    19   120   -33  153  3 58  -45 38 23  152 10 29  -45 25 27  156 31 41  -46 21 18  148 17 10  -44 19 27
    153 42 36   -46 49 29   15  4 19    20   119   -31  154  8 39  -46 55  3  153 16 18  -46 43 41  157 33  8  -47 32 48  149 30  4  -45 46  3
    154 43 18   -48  3 25   15  4 22    22   118   -30  155  8 59  -48  8 21  154 17 24  -47 58 16  158 31 24  -48 41 44  150 35 57  -47  7 17

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