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ASTROMETRIC UPDATE:
OCCULTATION BY (1048) FEODOSIA - 2008 APR 11

[Edwin Goffin's Prediction + Finder Charts]

[Detailed Finder Charts]


Updated:   2008 MAR 28, 07:34 UT

Event Rank : 85

(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.

Feodosia Update Map


On 2008 Apr 11 UT, the 60 km diameter asteroid (1048) Feodosia will occult a 9.7 mag star in the constellation Sagittarius for observers along a path across Western Australia.

In the case of an occultation, the combined light of the asteroid and the star will drop by 4.1 mag to 13.7 mag (the magnitude of the asteroid) for at most 5.6 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 Limit1           Path Limit2           Error Limit1          Error Limit2
  E. Longitude    Latitude      U.T.    Alt   Az    Alt                                                                                       
      o  '  "     o  '  "    h  m  s     o     o     o    o  '  "    o  '  "    o  '  "    o  '  "    o  '  "    o  '  "    o  '  "    o  '  "
                                                         Longitude  Latitude   Longitude  Latitude   Longitude  Latitude   Longitude  Latitude
    120  4 26   -17 23 42   16 33 45    33   113   -78  120 29 11  -17 21 15  119 39 25  -17 25 59  120 58 34  -17 18  7  119  9  4  -17 28 33
    121  5 19   -18 43  2   16 33 57    35   112   -76  121 29 44  -18 40 15  120 40 40  -18 45 40  121 58 44  -18 36 45  120 10 45  -18 48 39
    122  3 13   -20  0 31   16 34  9    36   111   -75  122 27 22  -19 57 26  121 38 50  -20  3 27  122 56  4  -19 53 35  121  9 16  -20  6 48
    122 58 31   -21 16 22   16 34 21    37   110   -73  123 22 28  -21 13  2  122 34 21  -21 19 35  123 50 56  -21  8 52  122  5  4  -21 23 17
    123 51 33   -22 30 48   16 34 33    39   109   -72  124 15 20  -22 27 13  123 27 32  -22 34 16  124 43 38  -22 22 46  122 58 27  -22 38 16

    124 42 33   -23 43 58   16 34 45    40   108   -70  125  6 15  -23 40 10  124 18 40  -23 47 40  125 34 25  -23 35 27  123 49 44  -23 51 57
    125 31 47   -24 56  1   16 34 57    41   107   -69  125 55 25  -24 52  0  125  7 58  -24 59 56  126 23 30  -24 47  2  124 39  8  -25  4 28
    126 19 26   -26  7  3   16 35  8    42   105   -68  126 43  1  -26  2 50  125 55 39  -26 11 10  127 11  4  -25 57 39  125 26 52  -26 15 57
    127  5 40   -27 17 12   16 35 20    43   104   -66  127 29 14  -27 12 48  126 41 53  -27 21 30  127 57 18  -27  7 23  126 13  7  -27 26 31
    127 50 37   -28 26 32   16 35 32    44   103   -65  128 14 13  -28 21 57  127 26 49  -28 31  1  128 42 18  -28 16 20  126 58  2  -28 36 15

    128 34 26   -29 35  9   16 35 44    45   102   -64  128 58  5  -29 30 24  128 10 35  -29 39 48  129 26 14  -29 24 35  127 41 44  -29 45 15
    129 17 13   -30 43  7   16 35 56    46   100   -62  129 40 57  -30 38 12  128 53 19  -30 47 56  130  9 11  -30 32 12  128 24 22  -30 53 35
    129 59  6   -31 50 30   16 36  8    46    99   -61  130 22 55  -31 45 26  129 35  5  -31 55 29  130 51 17  -31 39 14  129  6  1  -32  1 19
    130 40  9   -32 57 23   16 36 20    47    97   -60  131  4  5  -32 52  9  130 16  1  -33  2 30  131 32 35  -32 45 46  129 46 48  -33  8 32
    131 20 27   -34  3 47   16 36 32    48    96   -59  131 44 33  -33 58 25  130 56 11  -34  9  4  132 13 13  -33 51 51  130 26 48  -34 15 17

    132  0  7   -35  9 48   16 36 44    49    94   -57  132 24 22  -35  4 17  131 35 40  -35 15 13  132 53 14  -34 57 32  131  6  5  -35 21 37
    132 39 11   -36 15 26   16 36 56    49    93   -56  133  3 38  -36  9 46  132 14 33  -36 21  1  133 32 43  -36  2 52  131 44 44  -36 27 35
    133 17 45   -37 20 46   16 37  8    50    91   -55  133 42 24  -37 14 58  132 52 54  -37 26 29  134 11 44  -37  7 53  132 22 50  -37 33 14
    133 55 52   -38 25 50   16 37 20    50    89   -54  134 20 45  -38 19 53  133 30 47  -38 31 42  134 50 21  -38 12 37  133  0 26  -38 38 37
    134 33 36   -39 30 40   16 37 32    51    87   -53  134 58 44  -39 24 34  134  8 16  -39 36 40  135 28 38  -39 17  9  133 37 36  -39 43 46

    135 11  1   -40 35 18   16 37 44    51    86   -51  135 36 26  -40 29  4  134 45 25  -40 41 27  136  6 39  -40 21 28  134 14 24  -40 48 43
    135 48 11   -41 39 48   16 37 56    52    84   -50  136 13 53  -41 33 25  135 22 16  -41 46  5  136 44 27  -41 25 39  134 50 53  -41 53 32
    136 25  8   -42 44 10   16 38  7    52    82   -49  136 51  9  -42 37 39  135 58 54  -42 50 36  137 22  6  -42 29 42  135 27  7  -42 58 13
    137  1 57   -43 48 28   16 38 19    52    80   -48  137 28 19  -43 41 47  136 35 21  -43 55  3  137 59 40  -43 33 40  136  3  9  -44  2 50
    137 38 40   -44 52 43   16 38 31    53    78   -47  138  5 25  -44 45 53  137 11 42  -44 59 27  138 37 12  -44 37 36  136 39  2  -45  7 24

Uncertainty in time = +/- 5 secs

[Prediction of 2008 Mar 28.0]

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