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ASTROMETRIC UPDATE:
OCCULTATION BY (186) CELUTA - 2020 AUG 23

[Edwin Goffin's Prediction + Finder Charts]

[Detailed Finder Charts]


Updated:   2020 Jul 01, 05:10 UT

Event Rank : 95

(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.

Celuta Update Map


On 2020 Aug 23 UT, the 45 km diameter asteroid (186) Celuta will occult a 11.4 mag star in the constellation Lupus for observers along a path across Victoria and New South Wales, passing over Torquay, Geelong, Dandenong, Belgrave and Batemans Bay.

In the case of an occultation, the combined light of the asteroid and the star will drop by 1.87 mag to 13.04 mag (the magnitude of the asteroid) for at most 2.9 seconds.

This update is based on UNSO/Flagstaff astrometry for the asteroid kindlyprovided by Hugh Harris, astrometry for the asteroid kindly provided by BillOwen, astrometry for the asteroid kindly provided by the IAU Minor PlanetCenter.This work has made use of data from the European Space Agency (ESA)mission Gaia (http://www.cosmos.esa.int/gaia), processed by theGaia Data Processing and Analysis Consortium(DPAC, http://www.cosmos.esa.int/web/gaia/dpac/consortium).Funding for the DPAC has been provided by national institutions, inparticular the institutions participating in the Gaia Multilateral Agreement.

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 :
 
Occultation of TYC 7342-00439-1 by 186 Celuta on 2020 Aug 23
                  Centre              Star  Star   Sun      Path Limits           Error Limits       Alt
  E. Longitude   Latitude      U.T.    Alt    Az   Alt    Limit 1    Limit 2    Limit 3    Limit 4   Crn
      o  '  "     o  '  "    h  m  s     o     o     o    o  '  "    o  '  "    o  '  "    o  '  "
                                                         Latitude   Latitude   Latitude   Latitude
    138  0  0   -40 51  0   11  8 16.4    62   266   -33  -41  4 52  -40 37  9  -41 17  1  -40 25  1   0.20
    139  0  0   -40 28 44   11  8 22.0    61   265   -34  -40 42 39  -40 14 49  -40 54 52  -40  2 38   0.20
    140  0  0   -40  5 50   11  8 27.6    60   264   -35  -40 19 49  -39 51 51  -40 32  5  -39 39 37   0.20
    141  0  0   -39 42 18   11  8 33.2    59   263   -36  -39 56 21  -39 28 16  -40  8 40  -39 15 58   0.20
    142  0  0   -39 18  8   11  8 38.8    59   261   -37  -39 32 15  -39  4  2  -39 44 37  -38 51 41   0.20

    143  0  0   -38 53 19   11  8 44.4    58   260   -37  -39  7 30  -38 39  9  -39 19 56  -38 26 45   0.20
    144  0  0   -38 27 52   11  8 50.0    57   259   -38  -38 42  6  -38 13 38  -38 54 35  -38  1 10   0.20
    145  0  0   -38  1 45   11  8 55.6    56   258   -39  -38 16  4  -37 47 27  -38 28 36  -37 34 57   0.20
    146  0  0   -37 34 59   11  9  1.2    55   257   -40  -37 49 22  -37 20 38  -38  1 58  -37  8  3   0.20
    147  0  0   -37  7 34   11  9  6.9    54   256   -41  -37 22  0  -36 53  9  -37 34 40  -36 40 31   0.20

    148  0  0   -36 39 29   11  9 12.5    53   255   -42  -36 54  0  -36 25  0  -37  6 43  -36 12 19   0.20
    149  0  0   -36 10 45   11  9 18.1    52   254   -43  -36 25 19  -35 56 11  -36 38  5  -35 43 27   0.21
    150  0  0   -35 41 20   11  9 23.7    51   253   -44  -35 55 58  -35 26 43  -36  8 48  -35 13 55   0.21
    151  0  0   -35 11 16   11  9 29.2    51   253   -45  -35 25 58  -34 56 35  -35 38 51  -34 43 43   0.21
    152  0  0   -34 40 32   11  9 34.8    50   252   -46  -34 55 18  -34 25 46  -35  8 14  -34 12 52   0.21

    153  0  0   -34  9  7   11  9 40.3    49   251   -47  -34 23 57  -33 54 18  -34 36 58  -33 41 20   0.21
    154  0  0   -33 37  3   11  9 45.8    48   250   -48  -33 51 57  -33 22 10  -34  5  1  -33  9  9   0.21
    155  0  0   -33  4 19   11  9 51.3    47   249   -49  -33 19 17  -32 49 23  -33 32 24  -32 36 18   0.21
Uncertainty in time = +/- 2 secs

Prediction of 2020 Jul  1.0

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