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ASTROMETRIC UPDATE:
OCCULTATION BY (508) PRINCETONIA - 2005 AUG 10

[Edwin Goffin's Prediction + Finder Charts]

[Detailed Finder Charts]


Updated:   2005 AUG 05, 23:53 UT

Event Rank : 99

(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.

Princetonia Update Map 1


Princetonia Update Map 2


On 2005 Aug 10 UT, the 142 km diameter asteroid (508) Princetonia will occult a 10.2 mag star in the constellation Scorpius for New Zealand and Australian observers along a path across northern New South Wales and the north island of New Zealand. The shadow will pass in the vicinity of Port Macquarie and Coffs Harbour in New South Wales and Napier, Hastings, New Plymouth, Wanganui and Taupo in New Zealand

In the case of an occultation, the combined light of the asteroid and the star will drop by 3.2 mag to 13.4 mag (the magnitude of the asteroid) for at most 37.7 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  '  "
                                                         Latitude   Latitude   Latitude   Latitude
    125  0  0   - 8 47 37   11 57  8    60   173   -34  - 7 46 47  - 9 47 57  - 7  8 47  -10 25  7
    126  0  0   - 9 53  8   11 56 31    61   174   -35  - 8 52 58  -10 52 48  - 8 15 25  -11 29 34
    127  0  0   -10 57 12   11 55 54    62   175   -36  - 9 57 42  -11 56 13  - 9 20 35  -12 32 36
    128  0  0   -11 59 50   11 55 18    63   177   -37  -11  1  0  -12 58 14  -10 24 17  -13 34 14
    129  0  0   -13  1  3   11 54 41    64   178   -38  -12  2 51  -13 58 50  -11 26 32  -14 34 28

    130  0  0   -14  0 52   11 54  5    65   180   -39  -13  3 17  -14 58  3  -12 27 22  -15 33 18
    131  0  0   -14 59 17   11 53 30    66   181   -40  -14  2 18  -15 55 52  -13 26 46  -16 30 47
    132  0  0   -15 56 19   11 52 54    67   183   -41  -14 59 55  -16 52 20  -14 24 45  -17 26 53
    133  0  0   -16 51 59   11 52 19    68   185   -42  -15 56  9  -17 47 26  -15 21 22  -18 21 39
    134  0  0   -17 46 18   11 51 44    69   187   -43  -16 51  2  -18 41 12  -16 16 35  -19 15  5

    135  0  0   -18 39 16   11 51 10    70   189   -44  -17 44 33  -19 33 39  -17 10 28  -20  7 13
    136  0  0   -19 30 56   11 50 36    70   192   -44  -18 36 45  -20 24 48  -18  2 59  -20 58  2
    137  0  0   -20 21 18   11 50  2    71   194   -45  -19 27 38  -21 14 39  -18 54 12  -21 47 35
    138  0  0   -21 10 23   11 49 28    72   197   -46  -20 17 13  -22  3 14  -19 44  7  -22 35 52
    139  0  0   -21 58 12   11 48 55    72   200   -47  -21  5 32  -22 50 34  -20 32 44  -23 22 54

    140  0  0   -22 44 46   11 48 23    73   202   -48  -21 52 36  -23 36 40  -21 20  6  -24  8 43
    141  0  0   -23 30  7   11 47 51    73   205   -48  -22 38 25  -24 21 34  -22  6 13  -24 53 20
    142  0  0   -24 14 16   11 47 19    73   209   -49  -23 23  1  -25  5 16  -22 51  7  -25 36 45
    143  0  0   -24 57 14   11 46 47    73   212   -50  -24  6 26  -25 47 47  -23 34 48  -26 19  0
    144  0  0   -25 39  2   11 46 16    74   215   -51  -24 48 40  -26 29  9  -24 17 18  -27  0  7

    145  0  0   -26 19 41   11 45 46    74   218   -51  -25 29 44  -27  9 23  -24 58 39  -27 40  5
    146  0  0   -26 59 12   11 45 16    74   221   -52  -26  9 40  -27 48 30  -25 38 51  -28 18 57
    147  0  0   -27 37 37   11 44 46    74   224   -53  -26 48 29  -28 26 31  -26 17 55  -28 56 44
    148  0  0   -28 14 57   11 44 17    73   227   -53  -27 26 13  -29  3 27  -26 55 53  -29 33 26
    149  0  0   -28 51 12   11 43 48    73   230   -54  -28  2 51  -29 39 20  -27 32 46  -30  9  5

    150  0  0   -29 26 25   11 43 19    73   233   -54  -28 38 26  -30 14 11  -28  8 35  -30 43 42
    151  0  0   -30  0 35   11 42 51    73   235   -55  -29 12 59  -30 48  0  -28 43 21  -31 17 18
    152  0  0   -30 33 45   11 42 24    72   238   -56  -29 46 30  -31 20 49  -29 17  5  -31 49 54
    153  0  0   -31  5 55   11 41 56    72   240   -56  -30 19  0  -31 52 39  -29 49 49  -32 21 31
    154  0  0   -31 37  7   11 41 29    72   242   -57  -30 50 32  -32 23 30  -30 21 33  -32 52 11

    155  0  0   -32  7 21   11 41  3    71   244   -57  -31 21  5  -32 53 25  -30 52 19  -33 21 54
    156  0  0   -32 36 38   11 40 37    71   246   -58  -31 50 42  -33 22 24  -31 22  7  -33 50 41
    157  0  0   -33  5  0   11 40 11    70   247   -58  -32 19 22  -33 50 28  -31 50 59  -34 18 34
    158  0  0   -33 32 28   11 39 46    70   249   -59  -32 47  7  -34 17 38  -32 18 55  -34 45 33
    159  0  0   -33 59  1   11 39 21    69   250   -59  -33 13 59  -34 43 54  -32 45 57  -35 11 39

    160  0  0   -34 24 43   11 38 56    69   251   -59  -33 39 56  -35  9 19  -33 12  6  -35 36 53
    161  0  0   -34 49 32   11 38 32    68   252   -60  -34  5  2  -35 33 52  -33 37 22  -36  1 17
    162  0  0   -35 13 31   11 38  8    67   253   -60  -34 29 17  -35 57 35  -34  1 46  -36 24 50
    163  0  0   -35 36 39   11 37 45    67   254   -61  -34 52 40  -36 20 29  -34 25 19  -36 47 34
    164  0  0   -35 58 59   11 37 21    66   255   -61  -35 15 15  -36 42 34  -34 48  3  -37  9 30

    165  0  0   -36 20 30   11 36 58    66   255   -61  -35 37  0  -37  3 51  -35  9 57  -37 30 38
    166  0  0   -36 41 14   11 36 36    65   256   -62  -35 57 58  -37 24 21  -35 31  3  -37 51  0
    167  0  0   -37  1 11   11 36 14    64   257   -62  -36 18  8  -37 44  4  -35 51 22  -38 10 36
    168  0  0   -37 20 22   11 35 52    64   257   -62  -36 37 31  -38  3  3  -36 10 53  -38 29 26
    169  0  0   -37 38 47   11 35 30    63   257   -62  -36 56  9  -38 21 16  -36 29 39  -38 47 32

    170  0  0   -37 56 28   11 35  9    62   258   -63  -37 14  2  -38 38 45  -36 47 39  -39  4 54
    171  0  0   -38 13 25   11 34 48    62   258   -63  -37 31 10  -38 55 31  -37  4 54  -39 21 33
    172  0  0   -38 29 38   11 34 27    61   258   -63  -37 47 35  -39 11 33  -37 21 25  -39 37 29
    173  0  0   -38 45  9   11 34  7    61   258   -63  -38  3 16  -39 26 54  -37 37 13  -39 52 43
    174  0  0   -38 59 58   11 33 47    60   258   -63  -38 18 14  -39 41 33  -37 52 18  -40  7 15

    175  0  0   -39 14  5   11 33 27    59   258   -64  -38 32 31  -39 55 30  -38  6 40  -40 21  7
    176  0  0   -39 27 30   11 33  7    59   258   -64  -38 46  6  -40  8 47  -38 20 20  -40 34 18
    177  0  0   -39 40 16   11 32 48    58   258   -64  -38 58 59  -40 21 24  -38 33 20  -40 46 50
    178  0  0   -39 52 21   11 32 28    57   258   -64  -39 11 13  -40 33 21  -38 45 38  -40 58 42
    179  0  0   -40  3 46   11 32 10    57   258   -64  -39 22 46  -40 44 38  -38 57 16  -41  9 55


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