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ASTROMETRIC UPDATE:
OCCULTATION BY (307) NIKE - 2003 SEP 21

UPDATE: 2003 AUG 22, 18:31 UT

THE UPDATED PATH

(Note: The time given in the line below is for the midpoint of the path as it crosses the Earth - please see the minute markers on the map to determine the approximate the time for your location)

Nike Update Map


On 2003 Sep 21 UT, the 55 km diameter asteroid (307) Nike will occult a 8.9 mag star in the constellation Cetus for observers along a path near Australia.

In the case of an occultation, the combined light of the asteroid and the star will drop by 4.7 mag to 13.6 mag (the magnitude of the asteroid) for at most 6.4 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 UCAC and Hipparcos catalogs for the star position.

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
    139  0  0   -54 28  1   19 24 44    24   306   -11  -53 16 43  -55 47  7  -53 16 43  -55 47  7
    140  0  0   -53 27 22   19 24 29    24   305   -11  -52 19 40  -54 41 38  -52 19 40  -54 41 38
    141  0  0   -52 29 34   19 24 15    24   303   -10  -51 24 57  -53 39 48  -51 24 57  -53 39 48
    142  0  0   -51 34 19   19 24  1    24   302   -10  -50 32 23  -52 41  9  -50 32 23  -52 41  9
    143  0  0   -50 41 23   19 23 47    24   301   -10  -49 41 48  -51 45 16  -49 41 48  -51 45 16

    144  0  0   -49 50 34   19 23 33    24   300    -9  -48 53  5  -50 51 54  -48 53  5  -50 51 54
    145  0  0   -49  1 44   19 23 20    24   299    -9  -48  6  7  -50  0 49  -48  6  7  -50  0 49
    146  0  0   -48 14 46   19 23  7    24   298    -8  -47 20 49  -49 11 50  -47 20 49  -49 11 50
    147  0  0   -47 29 32   19 22 55    23   296    -8  -46 37  6  -48 24 49  -46 37  6  -48 24 49
    148  0  0   -46 45 59   19 22 43    23   295    -7  -45 54 55  -47 39 39  -45 54 55  -47 39 39

    149  0  0   -46  4  0   19 22 31    23   294    -6  -45 14 12  -46 56 13  -45 14 12  -46 56 13
    150  0  0   -45 23 34   19 22 19    22   293    -6  -44 34 54  -46 14 27  -44 34 54  -46 14 27
    151  0  0   -44 44 35   19 22  8    22   292    -5  -43 56 59  -45 34 17  -43 56 59  -45 34 17
    152  0  0   -44  7  3   19 21 57    22   291    -5  -43 20 25  -44 55 38  -43 20 25  -44 55 38
    153  0  0   -43 30 53   19 21 46    21   290    -4  -42 45  9  -44 18 27  -42 45  9  -44 18 27

    154  0  0   -42 56  4   19 21 35    21   289    -3  -42 11 10  -43 42 43  -42 11 10  -43 42 43
    155  0  0   -42 22 34   19 21 25    20   288    -3  -41 38 26  -43  8 21  -41 38 26  -43  8 21
    156  0  0   -41 50 22   19 21 16    20   287    -2  -41  6 56  -42 35 21  -41  6 56  -42 35 21
    157  0  0   -41 19 25   19 21  6    19   287    -1  -40 36 39  -42  3 40  -40 36 39  -42  3 40
    158  0  0   -40 49 43   19 20 57    19   286     0  -40  7 33  -41 33 17  -40  7 33  -41 33 17

    159  0  0   -40 21 14   19 20 48    18   285     0  -39 39 38  -41  4 10  -39 39 38  -41  4 10
    160  0  0   -39 53 56   19 20 40    17   284     1  -39 12 53  -40 36 18  -39 12 53  -40 36 18
    161  0  0   -39 27 51   19 20 32    17   283     2  -38 47 17  -40  9 40  -38 47 17  -40  9 40
    162  0  0   -39  2 55   19 20 24    16   282     3  -38 22 49  -39 44 14  -38 22 49  -39 44 14
    163  0  0   -38 39  9   19 20 16    16   282     3  -37 59 28  -39 20  0  -37 59 28  -39 20  0

    164  0  0   -38 16 32   19 20  9    15   281     4  -37 37 15  -38 56 57  -37 37 15  -38 56 57
    165  0  0   -37 55  3   19 20  2    14   280     5  -37 16  8  -38 35  5  -37 16  8  -38 35  5
    166  0  0   -37 34 42   19 19 56    13   279     6  -36 56  7  -38 14 22  -36 56  7  -38 14 22
    167  0  0   -37 15 28   19 19 50    13   279     7  -36 37 12  -37 54 47  -36 37 12  -37 54 47
    168  0  0   -36 57 22   19 19 44    12   278     7  -36 19 23  -37 36 22  -36 19 23  -37 36 22

    169  0  0   -36 40 21   19 19 39    11   277     8  -36  2 38  -37 19  4  -36  2 38  -37 19  4
    170  0  0   -36 24 27   19 19 34    11   277     9  -35 46 59  -37  2 54  -35 46 59  -37  2 54
    171  0  0   -36  9 39   19 19 29    10   276    10  -35 32 23  -36 47 52  -35 32 23  -36 47 52
    172  0  0   -35 55 56   19 19 25     9   276    11  -35 18 53  -36 33 57  -35 18 53  -36 33 57
    173  0  0   -35 43 20   19 19 21     8   275    11  -35  6 27  -36 21  8  -35  6 27  -36 21  8

    174  0  0   -35 31 48   19 19 17     7   274    12  -34 55  5  -36  9 27  -34 55  5  -36  9 27
    175  0  0   -35 21 22   19 19 14     7   274    13  -34 44 47  -35 58 52  -34 44 47  -35 58 52
    176  0  0   -35 12  2   19 19 11     6   273    14  -34 35 34  -35 49 23  -34 35 34  -35 49 23
    177  0  0   -35  3 46   19 19  8     5   273    15  -34 27 25  -35 41  1  -34 27 25  -35 41  1
    178  0  0   -34 56 36   19 19  6     4   272    16  -34 20 20  -35 33 46  -34 20 20  -35 33 46

    179  0  0   -34 50 32   19 19  4     3   271    16  -34 14 19  -35 27 38  -34 14 19  -35 27 38
    180  0  0   -34 45 33   19 19  3     3   271    17  -34  9 23  -35 22 36  -34  9 23  -35 22 36

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