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ASTROMETRIC UPDATE:
OCCULTATION BY (5474) GINGASEN - 2008 Mar 09

[Detailed Finder Charts]


Updated:   2008 FEB 27, 20:02 UT

Event Rank : 11

(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.

Gingasen Update Map


On 2008 Mar 09 UT, the 10 km diameter asteroid (5474) Gingasen will occult a 10.2 mag star in the constellation Hydra for observers along a narrow path across New Zealand, from Christchurch to near Greymouth, and across Australia, from slightly north of Newcastle in New South Wales across south west Queensland and southern Northern Territory to north west Western Australia near Yampi Sound.

In the case of an occultation, the combined light of the asteroid and the star will drop by 5.4 mag to 15.6 mag (the magnitude of the asteroid) for at most 1.3 seconds.

This update is based on UNSO/Flagstaff astrometry for the asteroid kindly provided by Alice Monet, 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 Limits           Error Limits
  E. Longitude   Latitude      U.T.    Alt    Az   Alt    Limit 1    Limit 2    Limit 3    Limit 4
      o  '  "     o  '  "    h  m  s     o     o     o    o  '  "    o  '  "    o  '  "    o  '  "
                                                         Latitude   Latitude   Latitude   Latitude
    120  0  0   -15 25 15   12 28  6    55    62   -32  -15 21 44  -15 28 46  -14 40 25  -16 10 27
    121  0  0   -15 55  4   12 27 52    55    60   -32  -15 51 32  -15 58 36  -15 10  6  -16 40 26
    122  0  0   -16 25 14   12 27 38    56    59   -33  -16 21 42  -16 28 47  -15 40  7  -17 10 44
    123  0  0   -16 55 45   12 27 23    56    57   -34  -16 52 12  -16 59 18  -16 10 29  -17 41 24
    124  0  0   -17 26 34   12 27  9    57    56   -34  -17 23  1  -17 30  8  -16 41 11  -18 12 22

    125  0  0   -17 57 43   12 26 54    57    54   -35  -17 54  9  -18  1 17  -17 12 11  -18 43 39
    126  0  0   -18 29  9   12 26 39    58    52   -36  -18 25 34  -18 32 45  -17 43 29  -19 15 15
    127  0  0   -19  0 53   12 26 24    58    50   -36  -18 57 18  -19  4 29  -18 15  4  -19 47  7
    128  0  0   -19 32 53   12 26  9    58    48   -37  -19 29 17  -19 36 30  -18 46 56  -20 19 16
    129  0  0   -20  5  9   12 25 55    59    46   -38  -20  1 33  -20  8 47  -19 19  4  -20 51 40

    130  0  0   -20 37 40   12 25 40    59    44   -38  -20 34  3  -20 41 18  -19 51 27  -21 24 20
    131  0  0   -21 10 25   12 25 25    59    42   -39  -21  6 47  -21 14  4  -20 24  4  -21 57 13
    132  0  0   -21 43 23   12 25 10    59    40   -39  -21 39 44  -21 47  2  -20 56 54  -22 30 19
    133  0  0   -22 16 34   12 24 55    59    38   -40  -22 12 54  -22 20 13  -21 29 56  -23  3 38
    134  0  0   -22 49 55   12 24 40    59    36   -41  -22 46 15  -22 53 36  -22  3 10  -23 37  7

    135  0  0   -23 23 28   12 24 25    59    34   -41  -23 19 47  -23 27  9  -22 36 35  -24 10 48
    136  0  0   -23 57 10   12 24 10    59    32   -42  -23 53 29  -24  0 51  -23 10 10  -24 44 37
    137  0  0   -24 31  1   12 23 55    59    30   -42  -24 27 19  -24 34 43  -23 43 53  -25 18 35
    138  0  0   -25  4 59   12 23 40    59    28   -42  -25  1 16  -25  8 41  -24 17 44  -25 52 41
    139  0  0   -25 39  4   12 23 25    59    26   -43  -25 35 21  -25 42 47  -24 51 43  -26 26 53

    140  0  0   -26 13 15   12 23 10    59    24   -43  -26  9 31  -26 16 59  -25 25 47  -27  1 11
    141  0  0   -26 47 31   12 22 56    59    21   -44  -26 43 47  -26 51 15  -25 59 56  -27 35 34
    142  0  0   -27 21 50   12 22 41    59    19   -44  -27 18  6  -27 25 35  -26 34 10  -28 10  0
    143  0  0   -27 56 13   12 22 26    58    17   -44  -27 52 28  -27 59 58  -27  8 26  -28 44 28
    144  0  0   -28 30 37   12 22 12    58    15   -44  -28 26 51  -28 34 22  -27 42 44  -29 18 58

    145  0  0   -29  5  2   12 21 58    58    13   -45  -29  1 16  -29  8 48  -28 17  4  -29 53 29
    146  0  0   -29 39 27   12 21 43    57    12   -45  -29 35 40  -29 43 13  -28 51 23  -30 27 59
    147  0  0   -30 13 50   12 21 29    57    10   -45  -30 10  3  -30 17 37  -29 25 42  -31  2 28
    148  0  0   -30 48 11   12 21 15    56     8   -45  -30 44 24  -30 51 59  -29 59 59  -31 36 54
    149  0  0   -31 22 29   12 21  1    56     6   -45  -31 18 42  -31 26 17  -30 34 12  -32 11 16

    150  0  0   -31 56 43   12 20 48    55     4   -45  -31 52 55  -32  0 31  -31  8 22  -32 45 34
    151  0  0   -32 30 51   12 20 34    55     3   -46  -32 27  3  -32 34 40  -31 42 27  -33 19 46
    152  0  0   -33  4 53   12 20 20    54     1   -46  -33  1  5  -33  8 42  -32 16 25  -33 53 52
    153  0  0   -33 38 48   12 20  7    54   359   -46  -33 35  0  -33 42 37  -32 50 17  -34 27 50
    154  0  0   -34 12 35   12 19 54    53   358   -46  -34  8 46  -34 16 24  -33 24  1  -35  1 39

     :

    165  0  0   -40 10 37   12 17 42    46   343   -44  -40  6 48  -40 14 26  -39 22  0  -40 59 45
    166  0  0   -40 41 34   12 17 31    45   342   -44  -40 37 45  -40 45 23  -39 52 59  -41 30 40
    167  0  0   -41 12 12   12 17 21    45   341   -44  -41  8 23  -41 16  1  -40 23 39  -42  1 15
    168  0  0   -41 42 30   12 17 10    44   339   -43  -41 38 42  -41 46 19  -40 54  0  -42 31 31
    169  0  0   -42 12 28   12 17  0    43   338   -43  -42  8 40  -42 16 16  -41 24  1  -43  1 25

    170  0  0   -42 42  4   12 16 50    42   337   -43  -42 38 16  -42 45 52  -41 53 41  -43 30 58
    171  0  0   -43 11 19   12 16 41    42   336   -42  -43  7 31  -43 15  7  -42 23  0  -44  0  8
    172  0  0   -43 40 12   12 16 31    41   335   -42  -43 36 24  -43 43 59  -42 51 57  -44 28 57
    173  0  0   -44  8 41   12 16 22    40   334   -41  -44  4 55  -44 12 28  -43 20 31  -44 57 22
    174  0  0   -44 36 48   12 16 13    39   333   -41  -44 33  2  -44 40 35  -43 48 43  -45 25 23

    175  0  0   -45  4 31   12 16  4    39   332   -41  -45  0 45  -45  8 17  -44 16 31  -45 53  1

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