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ASTROMETRIC UPDATE:
OCCULTATION BY (1540) KEVOLA - 2013 May 29

[Detailed Finder Charts]


Updated:   2013 MAR 31, 00:17 UT

Event Rank : 47

(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.

Kevola Update Map


On 2013 May 29 UT, the 40 km diameter asteroid (1540) Kevola will occult a 10.3 mag star in the constellation Ophiuchus for observers along a path across New Zealand near Napier, Taupo and Hamilton.

In the case of an occultation, the combined light of the asteroid and the star will drop by 4.4 mag to 14.7 mag (the magnitude of the asteroid) for at most 3.3 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 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
    151  0  0   -27 25 46    7 47  6     6   120    -8  -27 12 33  -27 39  1  -26 36  7  -28 15 40
    152  0  0   -27 58 48    7 47  5     7   120    -9  -27 45 36  -28 12  1  -27  9 14  -28 48 36
    153  0  0   -28 31 26    7 47  3     8   119   -10  -28 18 15  -28 44 38  -27 41 58  -29 21  8
    154  0  0   -29  3 40    7 47  2     9   119   -11  -28 50 31  -29 16 50  -28 14 18  -29 53 16
    155  0  0   -29 35 29    7 47  0    10   118   -12  -29 22 21  -29 48 37  -28 46 13  -30 24 58

    156  0  0   -30  6 52    7 46 59    11   118   -13  -29 53 47  -30 19 59  -29 17 43  -30 56 16
    157  0  0   -30 37 51    7 46 57    12   117   -14  -30 24 47  -30 50 55  -29 48 48  -31 27  7
    158  0  0   -31  8 22    7 46 55    13   117   -15  -30 55 20  -31 21 25  -30 19 27  -31 57 32
    159  0  0   -31 38 28    7 46 53    14   116   -16  -31 25 27  -31 51 29  -30 49 39  -32 27 30
    160  0  0   -32  8  6    7 46 51    15   116   -17  -31 55  8  -32 21  5  -31 19 24  -32 57  1

    161  0  0   -32 37 17    7 46 48    16   115   -18  -32 24 21  -32 50 15  -31 48 43  -33 26  5
    162  0  0   -33  6  1    7 46 46    16   115   -19  -32 53  6  -33 18 56  -32 17 34  -33 54 41
    163  0  0   -33 34 16    7 46 43    17   114   -20  -33 21 24  -33 47 10  -32 45 57  -34 22 49
    164  0  0   -34  2  4    7 46 40    18   113   -21  -33 49 14  -34 14 55  -33 13 53  -34 50 29
    165  0  0   -34 29 23    7 46 37    19   113   -22  -34 16 35  -34 42 13  -33 41 20  -35 17 40

    166  0  0   -34 56 14    7 46 34    20   112   -23  -34 43 28  -35  9  1  -34  8 19  -35 44 23
    167  0  0   -35 22 37    7 46 31    21   112   -24  -35  9 53  -35 35 22  -34 34 49  -36 10 37
    168  0  0   -35 48 30    7 46 28    22   111   -24  -35 35 49  -36  1 13  -35  0 51  -36 36 23
    169  0  0   -36 13 55    7 46 25    23   110   -25  -36  1 16  -36 26 36  -35 26 24  -37  1 40
    170  0  0   -36 38 51    7 46 22    24   110   -26  -36 26 14  -36 51 30  -35 51 28  -37 26 27

    171  0  0   -37  3 19    7 46 18    25   109   -27  -36 50 43  -37 15 55  -36 16  3  -37 50 46
    172  0  0   -37 27 17    7 46 15    26   109   -28  -37 14 44  -37 39 51  -36 40 10  -38 14 36
    173  0  0   -37 50 46    7 46 11    26   108   -29  -37 38 15  -38  3 18  -37  3 48  -38 37 57
    174  0  0   -38 13 47    7 46  7    27   107   -29  -38  1 18  -38 26 16  -37 26 56  -39  0 49
    175  0  0   -38 36 18    7 46  3    28   107   -30  -38 23 52  -38 48 46  -37 49 36  -39 23 13

    176  0  0   -38 58 21    7 46  0    29   106   -31  -38 45 57  -39 10 46  -38 11 47  -39 45  7
    177  0  0   -39 19 55    7 45 56    30   105   -32  -39  7 33  -39 32 18  -38 33 30  -40  6 33
    178  0  0   -39 41  1    7 45 52    31   104   -33  -39 28 41  -39 53 22  -38 54 44  -40 27 30
    179  0  0   -40  1 38    7 45 48    31   104   -33  -39 49 20  -40 13 56  -39 15 29  -40 47 59
    180  0  0   -40 21 47    7 45 43    32   103   -34  -40  9 31  -40 34  3  -39 35 45  -41  8  0

   -179  0  0   -40 41 27    7 45 39    33   102   -35  -40 29 14  -40 53 41  -39 55 34  -41 27 32
   -178  0  0   -41  0 39    7 45 35    34   101   -36  -40 48 28  -41 12 51  -40 14 54  -41 46 36
   -177  0  0   -41 19 24    7 45 31    35   101   -36  -41  7 14  -41 31 33  -40 33 46  -42  5 12
   -176  0  0   -41 37 40    7 45 26    35   100   -37  -41 25 33  -41 49 48  -40 52 10  -42 23 21
   -175  0  0   -41 55 29    7 45 22    36    99   -38  -41 43 24  -42  7 34  -41 10  7  -42 41  2

   -174  0  0   -42 12 50    7 45 18    37    98   -38  -42  0 47  -42 24 54  -41 27 36  -42 58 15
   -173  0  0   -42 29 44    7 45 13    38    98   -39  -42 17 43  -42 41 46  -41 44 37  -43 15  1
   -172  0  0   -42 46 11    7 45  9    38    97   -40  -42 34 12  -42 58 10  -42  1 11  -43 31 21
   -171  0  0   -43  2 10    7 45  4    39    96   -41  -42 50 13  -43 14  8  -42 17 18  -43 47 13
   -170  0  0   -43 17 43    7 44 59    40    95   -41  -43  5 48  -43 29 39  -42 32 58  -44  2 39


Uncertainty in time = +/- 5 secs

Prediction of 2013 Mar 31.0

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