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ASTROMETRIC UPDATE:
OCCULTATION BY (466) TISIPHONE - 2014 Aug 05

[Edwin Goffin's Prediction + Finder Charts]

[Detailed Finder Charts]


Updated:   2014 JUN 22, 10:09 UT

Event Rank : 96

(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.

Tisiphone Update Map1


Tisiphone Update Map2


On 2014 Aug 05 UT, the 135 km diameter asteroid (466) Tisiphone will occult a 7.1 mag star in the constellation Scorpius for observers along a path passing near Invercargill, New Zealand.

In the case of an occultation, the combined light of the asteroid and the star will drop by 1.5 mag to 8.3 mag (the combined magnitude of the asteroid and the other component of the double star) for at most 17.0 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: .

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
    161  6 58   -36  0  0   10  8  0    81   310   -43  161 55  7  160 19  0  162 35 43  159 38 50
    161 34 52   -37  0  0   10  7 45    80   313   -43  162 23 44  160 46 12  163  4 57  160  5 27
    162  3 35   -38  0  0   10  7 31    79   316   -43  162 53 12  161 14 10  163 35  3  160 32 48
    162 33  8   -39  0  0   10  7 16    78   318   -44  163 23 33  161 42 56  164  6  5  161  0 56
    163  3 37   -40  0  0   10  7  1    77   319   -44  163 54 52  162 12 35  164 38  7  161 29 53

                                                         Latitude   Latitude   Latitude   Latitude
    164  0  0   -41 46 16   10  6 36    76   322   -44  -40  9 39  -43 22 49  -38 48 23  -44 43 57
    165  0  0   -43 32 49   10  6 10    74   323   -44  -41 58 53  -45  6 42  -40 39 54  -46 25 36
    166  0  0   -45 13  2   10  5 46    72   324   -44  -43 41 42  -46 44 21  -42 24 54  -48  1  5
    167  0  0   -46 47 18   10  5 23    71   325   -44  -45 18 27  -48 16  7  -44  3 46  -49 30 46
    168  0  0   -48 15 58   10  5  2    69   325   -44  -46 49 31  -49 42 23  -45 36 51  -50 55  1

    169  0  0   -49 39 23   10  4 42    68   325   -43  -48 15 15  -51  3 30  -47  4 32  -52 14 12
    170  0  0   -50 57 53   10  4 24    66   325   -43  -49 35 58  -52 19 47  -48 27  7  -53 28 37
    171  0  0   -52 11 48   10  4  6    65   325   -43  -50 52  1  -53 31 35  -49 44 58  -54 38 37
    172  0  0   -53 21 26   10  3 50    64   324   -43  -52  3 41  -54 39 10  -50 58 21  -55 44 29
    173  0  0   -54 27  4   10  3 35    62   324   -43  -53 11 16  -55 42 50  -52  7 34  -56 46 31


Uncertainty in time = +/- 7 secs

Prediction of 2014 Jun 22.0

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