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ASTROMETRIC UPDATE:
OCCULTATION BY (230) ATHAMANTIS - 2003 SEP 01

[Edwin Goffin's Prediction + Finder Charts]


UPDATE: 2003 AUG 22, 18:02 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)

Athamantis Update Map


THIS UPDATE REPLACES THE PREVIOUS UPDATE OF AUGUST 5.

On 2003 Sep 01 UT, the 109 km diameter asteroid (230) Athamantis will occult a 11.0 mag star in the constellation Scutum for observers along a path across northern and eastern Australia.

Note: This path is very favourably placed for observers in ACT and southern NSW.

In the case of an occultation, the combined light of the asteroid and the star will drop by 0.8 mag to 11.1 mag (the magnitude of the asteroid) for at most 40.0 seconds.

This update is based on UNSO/Flagstaff astrometry for the asteroid kindly provided by Ron Stone, TMO astrometry for the asteroid kindly provided by Bill Owen, historical astrometry from the MPC files (via AstDys), and the UCAC catalog 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  '  "
                                                        Longitude  Longitude  Longitude  Longitude
    111  0  0    20 35 36   10 32 29    45   130     4   19 47 50   21 23  6   19 47 50   21 23  6
    112  0  0    19 24 48   10 33 17    46   130     2   18 36 11   20 13  9   18 36 11   20 13  9
    113  0  0    18 11 24   10 34  7    48   131     1   17 21 54   19  0 36   17 21 54   19  0 36
    114  0  0    16 55 19   10 35  0    50   131     0   16  4 55   17 45 24   16  4 55   17 45 24
    115  0  0    15 36 31   10 35 56    51   131    -2   14 45 13   16 27 31   14 45 13   16 27 31

    116  0  0    14 14 59   10 36 55    53   131    -3   13 22 45   15  6 54   13 22 45   15  6 54
    117  0  0    12 50 42   10 37 57    55   131    -4   11 57 32   13 43 32   11 57 32   13 43 32
    118  0  0    11 23 40   10 39  2    57   131    -6   10 29 34   12 17 25   10 29 34   12 17 25
    119  0  0     9 53 55   10 40 10    59   130    -7    8 58 54   10 48 35    8 58 54   10 48 35
    120  0  0     8 21 32   10 41 20    61   130    -9    7 25 37    9 17  6    7 25 37    9 17  6

    121  0  0     6 46 36   10 42 34    63   129   -10    5 49 48    7 43  2    5 49 48    7 43  2
    122  0  0     5  9 15   10 43 51    65   129   -12    4 11 38    6  6 31    4 11 38    6  6 31
    123  0  0     3 29 40   10 45 10    67   128   -14    2 31 17    4 27 43    2 31 17    4 27 43
    124  0  0     1 48  4   10 46 32    69   127   -15    0 48 59    2 46 50    0 48 59    2 46 50
    125  0  0     0  4 44   10 47 57    71   125   -17  - 0 54 58    1  4  7  - 0 54 58    1  4  7

    126  0  0   - 1 40  4   10 49 23    73   123   -18  - 2 40 16  - 0 40  8  - 2 40 16  - 0 40  8
    127  0  0   - 3 25 57   10 50 51    75   120   -20  - 4 26 33  - 2 25 36  - 4 26 33  - 2 25 36
    128  0  0   - 5 12 34   10 52 20    77   116   -22  - 6 13 27  - 4 11 54  - 6 13 27  - 4 11 54
    129  0  0   - 6 59 31   10 53 50    79   111   -23  - 8  0 33  - 5 58 41  - 8  0 33  - 5 58 41
    130  0  0   - 8 46 23   10 55 20    81   103   -25  - 9 47 26  - 7 45 30  - 9 47 26  - 7 45 30

    131  0  0   -10 32 46   10 56 51    83    92   -26  -11 33 41  - 9 31 58  -11 33 41  - 9 31 58
    132  0  0   -12 18 15   10 58 21    84    75   -28  -13 18 56  -11 17 39  -13 18 56  -11 17 39
    133  0  0   -14  2 27   10 59 50    84    54   -29  -15  2 46  -13  2 12  -15  2 46  -13  2 12
    134  0  0   -15 45  2   11  1 18    84    33   -30  -16 44 52  -14 45 14  -16 44 52  -14 45 14
    135  0  0   -17 25 41   11  2 44    83    16   -32  -18 24 55  -16 26 26  -18 24 55  -16 26 26

    136  0  0   -19  4  6   11  4  9    81     4   -33  -20  2 41  -18  5 30  -20  2 41  -18  5 30
    137  0  0   -20 40  6   11  5 31    80   356   -34  -21 37 56  -19 42 13  -21 37 56  -19 42 13
    138  0  0   -22 13 28   11  6 51    78   350   -35  -23 10 30  -21 16 22  -23 10 30  -21 16 22
    139  0  0   -23 44  4   11  8  9    76   345   -36  -24 40 15  -22 47 49  -24 40 15  -22 47 49
    140  0  0   -25 11 49   11  9 24    75   342   -37  -26  7  8  -24 16 26  -26  7  8  -24 16 26

    141  0  0   -26 36 40   11 10 36    73   339   -38  -27 31  4  -25 42 10  -27 31  4  -25 42 10
    142  0  0   -27 58 33   11 11 45    71   337   -39  -28 52  3  -27  4 58  -28 52  3  -27  4 58
    143  0  0   -29 17 31   11 12 52    70   335   -40  -30 10  5  -28 24 50  -30 10  5  -28 24 50
    144  0  0   -30 33 33   11 13 56    68   333   -40  -31 25 12  -29 41 47  -31 25 12  -29 41 47
    145  0  0   -31 46 42   11 14 57    66   331   -41  -32 37 28  -30 55 51  -32 37 28  -30 55 51

    146  0  0   -32 57  3   11 15 56    65   330   -42  -33 46 55  -32  7  5  -33 46 55  -32  7  5
    147  0  0   -34  4 38   11 16 52    63   329   -42  -34 53 38  -33 15 33  -34 53 38  -33 15 33
    148  0  0   -35  9 33   11 17 46    62   327   -43  -35 57 42  -34 21 19  -35 57 42  -34 21 19
    149  0  0   -36 11 53   11 18 38    61   326   -43  -36 59 12  -35 24 29  -36 59 12  -35 24 29
    150  0  0   -37 11 43   11 19 27    59   325   -44  -37 58 14  -36 25  7  -37 58 14  -36 25  7

    151  0  0   -38  9  7   11 20 14    58   324   -44  -38 54 52  -37 23 19  -38 54 52  -37 23 19
    152  0  0   -39  4 13   11 20 59    57   323   -44  -39 49 13  -38 19 10  -39 49 13  -38 19 10
    153  0  0   -39 57  5   11 21 42    55   322   -45  -40 41 21  -39 12 45  -40 41 21  -39 12 45
    154  0  0   -40 47 48   11 22 23    54   321   -45  -41 31 22  -40  4 11  -41 31 22  -40  4 11
    155  0  0   -41 36 27   11 23  2    53   320   -45  -42 19 21  -40 53 31  -42 19 21  -40 53 31

    156  0  0   -42 23  9   11 23 40    52   319   -45  -43  5 23  -41 40 51  -43  5 23  -41 40 51
    157  0  0   -43  7 56   11 24 16    51   318   -45  -43 49 33  -42 26 17  -43 49 33  -42 26 17
    158  0  0   -43 50 55   11 24 51    50   317   -46  -44 31 56  -43  9 52  -44 31 56  -43  9 52
    159  0  0   -44 32  9   11 25 24    49   316   -46  -45 12 36  -43 51 41  -45 12 36  -43 51 41
    160  0  0   -45 11 44   11 25 55    48   315   -46  -45 51 37  -44 31 49  -45 51 37  -44 31 49

    161  0  0   -45 49 43   11 26 26    46   314   -46  -46 29  4  -45 10 20  -46 29  4  -45 10 20
    162  0  0   -46 26  9   11 26 55    46   313   -46  -47  5  0  -45 47 17  -47  5  0  -45 47 17
    163  0  0   -47  1  8   11 27 23    45   312   -46  -47 39 30  -46 22 45  -47 39 30  -46 22 45
    164  0  0   -47 34 42   11 27 49    44   312   -46  -48 12 36  -46 56 48  -48 12 36  -46 56 48
    165  0  0   -48  6 55   11 28 15    43   311   -46  -48 44 22  -47 29 28  -48 44 22  -47 29 28

    166  0  0   -48 37 50   11 28 40    42   310   -46  -49 14 51  -48  0 49  -49 14 51  -48  0 49
    167  0  0   -49  7 31   11 29  4    41   309   -46  -49 44  6  -48 30 55  -49 44  6  -48 30 55
    168  0  0   -49 35 59   11 29 26    40   308   -46  -50 12 10  -48 59 47  -50 12 10  -48 59 47
    169  0  0   -50  3 18   11 29 48    39   307   -46  -50 39  7  -49 27 29  -50 39  7  -49 27 29
    170  0  0   -50 29 30   11 30 10    38   306   -45  -51  4 57  -49 54  3  -51  4 57  -49 54  3

    171  0  0   -50 54 38   11 30 30    38   305   -45  -51 29 44  -50 19 33  -51 29 44  -50 19 33
    172  0  0   -51 18 45   11 30 50    37   304   -45  -51 53 31  -50 43 59  -51 53 31  -50 43 59
    173  0  0   -51 41 52   11 31  8    36   304   -45  -52 16 18  -51  7 25  -52 16 18  -51  7 25
    174  0  0   -52  4  1   11 31 27    35   303   -45  -52 38  9  -51 29 53  -52 38  9  -51 29 53
    175  0  0   -52 25 15   11 31 44    35   302   -45  -52 59  5  -51 51 25  -52 59  5  -51 51 25

    176  0  0   -52 45 35   11 32  1    34   301   -45  -53 19  9  -52 12  2  -53 19  9  -52 12  2
    177  0  0   -53  5  4   11 32 17    33   300   -45  -53 38 21  -52 31 47  -53 38 21  -52 31 47
    178  0  0   -53 23 42   11 32 33    32   299   -44  -53 56 44  -52 50 40  -53 56 44  -52 50 40
    179  0  0   -53 41 31   11 32 48    32   298   -44  -54 14 19  -53  8 45  -54 14 19  -53  8 45
    180  0  0   -53 58 34   11 33  3    31   297   -44  -54 31  7  -53 26  1  -54 31  7  -53 26  1

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