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ASTROMETRIC UPDATE:
OCCULTATION BY (1670) MINNAERT - 2004 DEC 28

[Detailed Finder Charts]


Updated:   2004 NOV 28, 20:47 UT

Event Rank : 32

(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.

Minnaert Update Map


On 2004 Dec 28 UT, the 28 km diameter asteroid (1670) Minnaert will occult a 10.9 mag star in the constellation Auriga for observers along a path across Australia.

In the case of an occultation, the combined light of the asteroid and the star will drop by 4.0 mag to 14.9 mag (the magnitude of the asteroid) for at most 2.4 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 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  '  "
                                                        Longitude  Longitude  Longitude  Longitude
    168 54 18   -54  0  0   14 14 37     0   341   -11  169 22 31  168 25 53  ... .. ..  166 26 43
    168 16 50   -53  0  0   14 14 37     2   341   -12  168 44 39  167 48 49  170 37 25  165 51 16
    167 37 22   -52  0  0   14 14 38     3   342   -13  168  4 51  167  9 42  169 56 12  165 13 34
    166 55 56   -51  0  0   14 14 39     4   342   -14  167 23  7  166 28 34  169 13 14  164 33 40
    166 12 32   -50  0  0   14 14 40     5   343   -15  166 39 27  165 45 24  168 28 31  163 51 32

    165 27  8   -49  0  0   14 14 42     6   344   -16  165 53 51  165  0 14  167 42  2  163  7 12
    164 39 45   -48  0  0   14 14 45     7   344   -17  165  6 18  164 13  0  166 53 44  162 20 38
    163 50 19   -47  0  0   14 14 48     8   345   -18  164 16 44  163 23 41  166  3 38  161 31 47
    162 58 47   -46  0  0   14 14 51     9   345   -19  163 25  7  162 32 15  165 11 38  160 40 37
    162  5  6   -45  0  0   14 14 55    10   346   -20  162 31 24  161 38 36  164 17 42  159 47  2

    161  9 11   -44  0  0   14 14 59    11   347   -22  161 35 30  160 42 40  163 21 45  158 50 59
    160 10 56   -43  0  0   14 15  4    13   348   -23  160 37 18  159 44 21  162 23 42  157 52 19
    159 10 14   -42  0  0   14 15 10    14   348   -24  159 36 42  158 43 32  161 23 27  156 50 54

                                                         Latitude   Latitude   Latitude   Latitude
    158  0  0   -40 53 34   14 15 16    15   349   -25  -40 29  5  -41 18 34  -38 52 57  -43  7 42
    157  0  0   -39 59 13   14 15 22    16   350   -26  -39 35 28  -40 23 25  -38  1 59  -42  8 43
    156  0  0   -39  6 56   14 15 29    17   351   -27  -38 43 52  -39 30 25  -37 12 48  -41 12 17
    155  0  0   -38 16 37   14 15 35    18   352   -28  -37 54 10  -38 39 28  -36 25 20  -40 18 14
    154  0  0   -37 28 13   14 15 42    19   352   -29  -37  6 19  -37 50 28  -35 39 32  -39 26 26

    153  0  0   -36 41 36   14 15 49    20   353   -30  -36 20 13  -37  3 19  -34 55 20  -38 36 44
    152  0  0   -35 56 45   14 15 56    20   354   -31  -35 35 50  -36 17 58  -34 12 42  -37 49  4
    151  0  0   -35 13 35   14 16  4    21   355   -32  -34 53  6  -35 34 21  -33 31 36  -37  3 19
    150  0  0   -34 32  2   14 16 11    22   356   -32  -34 11 58  -34 52 23  -32 51 58  -36 19 24
    149  0  0   -33 52  5   14 16 19    23   357   -33  -33 32 23  -34 12  2  -32 13 47  -35 37 15

    148  0  0   -33 13 40   14 16 27    23   358   -34  -32 54 19  -33 33 15  -31 37  2  -34 56 49
    147  0  0   -32 36 45   14 16 35    24   358   -34  -32 17 44  -32 56  0  -31  1 39  -34 18  2
    146  0  0   -32  1 17   14 16 43    25   359   -35  -31 42 34  -32 20 14  -30 27 38  -33 40 50
    145  0  0   -31 27 16   14 16 51    25     0   -35  -31  8 49  -31 45 55  -29 54 57  -33  5 12
    144  0  0   -30 54 38   14 17  0    26     1   -36  -30 36 27  -31 13  1  -29 23 34  -32 31  4

    143  0  0   -30 23 22   14 17  8    26     2   -36  -30  5 26  -30 41 30  -28 53 29  -31 58 25
    142  0  0   -29 53 27   14 17 17    27     3   -37  -29 35 45  -30 11 21  -28 24 40  -31 27 12
    141  0  0   -29 24 52   14 17 25    27     4   -37  -29  7 22  -29 42 32  -27 57  6  -30 57 24
    140  0  0   -28 57 34   14 17 34    28     5   -38  -28 40 16  -29 15  2  -27 30 45  -30 28 59
    139  0  0   -28 31 32   14 17 42    28     6   -38  -28 14 26  -28 48 49  -27  5 38  -30  1 54

    138  0  0   -28  6 46   14 17 51    28     7   -38  -27 49 50  -28 23 52  -26 41 42  -29 36 10
    137  0  0   -27 43 15   14 18  0    29     7   -38  -27 26 28  -28  0 10  -26 18 57  -29 11 44
    136  0  0   -27 20 56   14 18  9    29     8   -39  -27  4 19  -27 37 43  -25 57 23  -28 48 35
    135  0  0   -26 59 51   14 18 17    29     9   -39  -26 43 22  -27 16 29  -25 36 58  -28 26 43
    134  0  0   -26 39 57   14 18 26    29    10   -39  -26 23 35  -26 56 27  -25 17 41  -28  6  5

    133  0  0   -26 21 13   14 18 35    29    11   -39  -26  5  0  -26 37 36  -24 59 33  -27 46 42
    132  0  0   -26  3 40   14 18 44    29    12   -39  -25 47 33  -26 19 56  -24 42 33  -27 28 31
    131  0  0   -25 47 17   14 18 52    29    13   -39  -25 31 16  -26  3 26  -24 26 39  -27 11 34
    130  0  0   -25 32  2   14 19  1    30    14   -39  -25 16  7  -25 48  6  -24 11 52  -26 55 48
    129  0  0   -25 17 56   14 19 10    30    15   -39  -25  2  6  -25 33 55  -23 58 11  -26 41 13

    128  0  0   -25  4 58   14 19 18    30    16   -39  -24 49 12  -25 20 52  -23 45 35  -26 27 49
    127  0  0   -24 53  7   14 19 27    29    17   -39  -24 37 26  -25  8 56  -23 34  5  -26 15 35
    126  0  0   -24 42 23   14 19 36    29    18   -39  -24 26 46  -24 58  9  -23 23 39  -26  4 30
    125  0  0   -24 32 46   14 19 44    29    19   -38  -24 17 12  -24 48 28  -23 14 19  -25 54 35
    124  0  0   -24 24 16   14 19 53    29    19   -38  -24  8 44  -24 39 55  -23  6  2  -25 45 48

    123  0  0   -24 16 51   14 20  1    29    20   -38  -24  1 22  -24 32 28  -22 58 50  -25 38 10
    122  0  0   -24 10 33   14 20  9    29    21   -38  -23 55  6  -24 26  7  -22 52 41  -25 31 40
    121  0  0   -24  5 20   14 20 18    28    22   -37  -23 49 55  -24 20 53  -22 47 37  -25 26 18
    120  0  0   -24  1 13   14 20 26    28    23   -37  -23 45 49  -24 16 44  -22 43 36  -25 22  4
    119  0  0   -23 58 11   14 20 34    28    24   -36  -23 42 48  -24 13 42  -22 40 39  -25 18 58

    118  0  0   -23 56 16   14 20 42    28    25   -36  -23 40 53  -24 11 46  -22 38 45  -25 16 59
    117  0  0   -23 55 25   14 20 50    27    25   -36  -23 40  3  -24 10 55  -22 37 55  -25 16  8
    116  0  0   -23 55 41   14 20 58    27    26   -35  -23 40 18  -24 11 11  -22 38  9  -25 16 25
    115  0  0   -23 57  2   14 21  6    26    27   -35  -23 41 38  -24 12 33  -22 39 26  -25 17 50
    114  0  0   -23 59 29   14 21 13    26    28   -34  -23 44  4  -24 15  1  -22 41 48  -25 20 23

    113  0  0   -24  3  1   14 21 21    25    28   -33  -23 47 35  -24 18 35  -22 45 14  -25 24  5
    112  0  0   -24  7 41   14 21 28    25    29   -33  -23 52 13  -24 23 16  -22 49 43  -25 28 55
    111  0  0   -24 13 26   14 21 35    24    30   -32  -23 57 56  -24 29  4  -22 55 18  -25 34 53
    110  0  0   -24 20 19   14 21 42    24    31   -32  -24  4 46  -24 36  0  -23  1 57  -25 42  1

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