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ASTROMETRIC UPDATE:
OCCULTATION BY (372) PALMA - 2009 Aug 29

[Detailed Finder Charts]


Updated:   2009 JUL 29, 23:16 UT

Event Rank : 89

(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.

Palma Update Map


On 2009 Aug 29 UT, the 189 km diameter asteroid (372) Palma will occult a 12.6 mag star in the constellation Scorpius for observers along a path across South Island New Zealand.

In the case of an occultation, the combined light of the asteroid and the star will drop by 1.5 mag to 13.8 mag (the magnitude of the asteroid) for at most 12.9 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
    173 26 15   -51 37 34   12 43 50    33   238   -47  171 20 42  -52 26 37  175 32 28  -50 44 12  169  5 32  -53 15 12  177 49 55  -49 41  9
    172 38 19   -50 57 34   12 43 56    33   238   -48  170 33 57  -51 45 46  174 43 29  -50  5  7  168 20 13  -52 33 28  176 59 57  -49  3  5
    171 53 10   -50 16 43   12 44  2    33   239   -49  169 49 58  -51  4  8  173 57 17  -49 25  5  167 37 39  -51 51  1  176 12 45  -48 23 59
    171 10 40   -49 35  2   12 44  9    33   238   -50  169  8 38  -50 21 44  173 13 44  -48 44  8  166 57 43  -51  7 53  175 28 13  -47 43 53
    170 30 44   -48 52 33   12 44 15    33   238   -50  168 29 51  -49 38 37  172 32 47  -48  2 19  166 20 17  -50 24  6  174 46 18  -47  2 49

    169 53 16   -48  9 18   12 44 21    33   238   -51  167 53 30  -48 54 47  171 54 19  -47 19 40  165 45 17  -49 39 40  174  6 52  -46 20 49
    169 18 10   -47 25 18   12 44 27    33   238   -52  167 19 29  -48 10 16  171 18 14  -46 36 11  165 12 34  -48 54 37  173 29 53  -45 37 55
    168 45 21   -46 40 33   12 44 34    33   238   -53  166 47 44  -47 25  5  170 44 29  -45 51 53  164 42  4  -48  8 58  172 55 14  -44 54  6
    168 14 45   -45 55  5   12 44 40    33   238   -53  166 18  8  -46 39 14  170 12 58  -45  6 48  164 13 41  -47 22 43  172 22 53  -44  9 25
    167 46 16   -45  8 54   12 44 46    32   238   -54  165 50 37  -45 52 44  169 43 38  -44 20 56  163 47 20  -46 35 53  171 52 45  -43 23 52

    167 19 51   -44 22  1   12 44 52    32   237   -55  165 25  7  -45  5 35  169 16 24  -43 34 17  163 22 56  -45 48 27  171 24 47  -42 37 27
    166 55 26   -43 34 25   12 44 59    32   237   -56  165  1 34  -44 17 48  168 51 13  -42 46 51  163  0 26  -45  0 27  170 58 56  -41 50  9
    166 32 57   -42 46  6   12 45  5    32   237   -56  164 39 54  -43 29 21  168 28  3  -41 58 38  162 39 45  -44 11 51  170 35  8  -41  1 59
    166 12 22   -41 57  4   12 45 11    32   237   -57  164 20  4  -42 40 16  168  6 49  -41  9 37  162 20 50  -43 22 40  170 13 22  -40 12 56
    165 53 37   -41  7 18   12 45 17    31   236   -58  164  2  1  -41 50 30  167 47 30  -40 19 48  162  3 39  -42 32 53  169 53 35  -39 22 59

    165 36 40   -40 16 47   12 45 24    31   236   -59  163 45 42  -41  0  4  167 30  3  -39 29  9  161 48  8  -41 42 29  169 35 47  -38 32  7
    165 21 30   -39 25 30   12 45 30    31   236   -60  163 31  5  -40  8 56  167 14 28  -38 37 40  161 34 14  -40 51 27  169 19 54  -37 40 17
    165  8  5   -38 33 26   12 45 36    30   235   -61  163 18  9  -39 17  5  167  0 42  -37 45 18  161 21 57  -39 59 46  169  5 58  -36 47 27
    164 56 24   -37 40 33   12 45 42    30   235   -61  163  6 52  -38 24 30  166 48 46  -36 52  1  161 11 14  -39  7 26  168 53 59  -35 53 36
    164 46 26   -36 46 49   12 45 49    30   235   -62  162 57 13  -37 31  8  166 38 38  -35 57 47  161  2  4  -38 14 23  168 43 55  -34 58 40

    164 38 11   -35 52 11   12 45 55    29   234   -63  162 49 11  -36 36 58  166 30 20  -35  2 33  160 54 26  -37 20 37  168 35 49  -34  2 35
    164 31 39   -34 56 36   12 46  1    29   234   -64  162 42 47  -35 41 58  166 23 53  -34  6 16  160 48 20  -36 26  6  168 29 43  -33  5 17
    164 26 51   -34  0  2   12 46  7    28   233   -65  162 38  0  -34 46  3  166 19 17  -33  8 51  160 43 46  -35 30 46  168 25 40  -32  6 40
    164 23 49   -33  2 23   12 46 14    28   233   -66  162 34 52  -33 49 12  166 16 35  -32 10 13  160 40 43  -34 34 35  168 23 43  -31  6 39
    164 22 35   -32  3 37   12 46 20    27   233   -67  162 33 24  -32 51 20  166 15 52  -31 10 17  160 39 14  -33 37 31  168 23 58  -30  5  5

Uncertainty in time = +/- 8 secs

Prediction of 2009 Jul 29.0

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