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ASTROMETRIC UPDATE:
OCCULTATION BY (1076) VIOLA - 2021 Jan 02

[Detailed Finder Charts]


Updated:   2020 DEC 31, 00:26 UT

Event Rank : 61

(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.

Viola Update Map


On 2021 Jan 02 UT, the 24 km diameter asteroid (1076) Viola will occult a 11.0 mag star in the constellation Cancer for observers along a path across the South Island of New Zealand, crossing Invercargill, and across southern Australia including the swn coast of Victoria and just off the north-eastern corner of Tasmania.

In the case of an occultation, the combined light of the asteroid and the star will drop by 3.85 mag to 14.82 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 Hugh Harris, astrometry for the asteroid kindly provided by the IAU Minor Planet Center.

This work has made use of data from the European Space Agency (ESA)mission Gaia (http://www.cosmos.esa.int/gaia), processed by the Gaia 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 UCAC4 535-046396 by 1076 Viola on 2021 Jan 2
                  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
    171  0  0   -47 44  7   13 21 42.9    25    10   -19  -47 26 57  -48  1 30  -46 53  3  -48 37  4   1.94

    170  0  0   -47 16 45   13 21 54.0    25    11   -19  -46 59 45  -47 33 56  -46 26 11  -48  9  7   1.94
    169  0  0   -46 49 59   13 22  5.2    26    12   -20  -46 33  9  -47  7  0  -45 59 55  -47 41 49   1.93
    168  0  0   -46 23 51   13 22 16.5    26    13   -21  -46  7 11  -46 40 42  -45 34 15  -47 15  9   1.93
    167  0  0   -45 58 20   13 22 27.9    26    14   -21  -45 41 49  -46 15  1  -45  9 11  -46 49  8   1.93
    166  0  0   -45 33 27   13 22 39.3    26    15   -22  -45 17  5  -45 49 59  -44 44 44  -46 23 46   1.93

    165  0  0   -45  9 12   13 22 50.9    27    17   -22  -44 52 59  -45 25 35  -44 20 54  -45 59  4   1.93
    164  0  0   -44 45 35   13 23  2.4    27    18   -22  -44 29 30  -45  1 50  -43 57 42  -45 35  1   1.93
    163  0  0   -44 22 37   13 23 14.1    27    19   -23  -44  6 40  -44 38 44  -43 35  6  -45 11 37   1.93
    162  0  0   -44  0 17   13 23 25.7    27    20   -23  -43 44 28  -44 16 16  -43 13  9  -44 48 53   1.93
    161  0  0   -43 38 36   13 23 37.4    27    21   -24  -43 22 54  -43 54 28  -42 51 49  -44 26 49   1.93

    160  0  0   -43 17 35   13 23 49.1    27    22   -24  -43  1 59  -43 33 19  -42 31  7  -44  5 25   1.93
    159  0  0   -42 57 12   13 24  0.8    27    23   -24  -42 41 43  -43 12 49  -42 11  4  -43 44 41   1.93
    158  0  0   -42 37 28   13 24 12.5    27    24   -25  -42 22  6  -42 52 59  -41 51 39  -43 24 38   1.93
    157  0  0   -42 18 24   13 24 24.2    27    25   -25  -42  3  8  -42 33 49  -41 32 52  -43  5 14   1.93
    156  0  0   -42  0  0   13 24 35.8    27    26   -25  -41 44 49  -42 15 18  -41 14 45  -42 46 31   1.93

    155  0  0   -41 42 14   13 24 47.5    27    27   -25  -41 27  9  -41 57 28  -40 57 16  -42 28 29   1.93
    154  0  0   -41 25  9   13 24 59.1    27    28   -26  -41 10  9  -41 40 17  -40 40 25  -42 11  7   1.93
    153  0  0   -41  8 44   13 25 10.6    27    29   -26  -40 53 49  -41 23 47  -40 24 14  -41 54 26   1.93
    152  0  0   -40 52 58   13 25 22.1    27    30   -26  -40 38  8  -41  7 56  -40  8 43  -41 38 26   1.93
    151  0  0   -40 37 53   13 25 33.5    27    31   -26  -40 23  7  -40 52 46  -39 53 50  -41 23  6   1.93

    150  0  0   -40 23 28   13 25 44.8    27    32   -26  -40  8 46  -40 38 17  -39 39 37  -41  8 28   1.93
    149  0  0   -40  9 42   13 25 56.1    26    33   -26  -39 55  5  -40 24 28  -39 26  3  -40 54 30   1.93
    148  0  0   -39 56 38   13 26  7.2    26    34   -26  -39 42  4  -40 11 19  -39 13 10  -40 41 14   1.93
    147  0  0   -39 44 14   13 26 18.3    26    35   -26  -39 29 43  -39 58 52  -39  0 56  -40 28 39   1.93
    146  0  0   -39 32 30   13 26 29.2    26    36   -26  -39 18  3  -39 47  5  -38 49 21  -40 16 45   1.93

    145  0  0   -39 21 27   13 26 40.0    25    37   -26  -39  7  3  -39 35 59  -38 38 27  -40  5 32   1.93
    144  0  0   -39 11  5   13 26 50.7    25    38   -26  -38 56 43  -39 25 33  -38 28 13  -39 55  1   1.93
    143  0  0   -39  1 23   13 27  1.3    25    39   -26  -38 47  4  -39 15 49  -38 18 39  -39 45 12   1.93
    142  0  0   -38 52 23   13 27 11.7    24    40   -26  -38 38  6  -39  6 46  -38  9 45  -39 36  4   1.93
    141  0  0   -38 44  3   13 27 22.0    24    41   -26  -38 29 49  -38 58 25  -38  1 32  -39 27 38   1.93

    140  0  0   -38 36 25   13 27 32.1    24    41   -26  -38 22 12  -38 50 45  -37 53 59  -39 19 53   1.93
    139  0  0   -38 29 28   13 27 42.1    23    42   -26  -38 15 17  -38 43 46  -37 47  7  -39 12 51   1.94
    138  0  0   -38 23 12   13 27 51.9    23    43   -26  -38  9  2  -38 37 28  -37 40 55  -39  6 31   1.94
    137  0  0   -38 17 38   13 28  1.5    22    44   -26  -38  3 29  -38 31 53  -37 35 25  -39  0 52   1.94
    136  0  0   -38 12 45   13 28 10.9    22    45   -25  -37 58 38  -38 26 59  -37 30 35  -38 55 56   1.94

    135  0  0   -38  8 34   13 28 20.2    21    46   -25  -37 54 27  -38 22 47  -37 26 26  -38 51 42   1.94
    134  0  0   -38  5  4   13 28 29.2    21    46   -25  -37 50 59  -38 19 17  -37 22 59  -38 48 11   1.94
    133  0  0   -38  2 17   13 28 38.1    20    47   -25  -37 48 12  -38 16 29  -37 20 13  -38 45 22   1.95
    132  0  0   -38  0 12   13 28 46.7    20    48   -24  -37 46  6  -38 14 24  -37 18  8  -38 43 16   1.95
    131  0  0   -37 58 48   13 28 55.1    19    49   -24  -37 44 43  -38 13  0  -37 16 45  -38 41 53   1.95

    130  0  0   -37 58  7   13 29  3.3    19    50   -24  -37 44  2  -38 12 19  -37 16  3  -38 41 13   1.95
    129  0  0   -37 58  9   13 29 11.2    18    50   -23  -37 44  3  -38 12 21  -37 16  3  -38 41 15   1.95
    128  0  0   -37 58 52   13 29 18.9    18    51   -23  -37 44 46  -38 13  6  -37 16 45  -38 42  1   1.96
    127  0  0   -38  0 19   13 29 26.4    17    52   -22  -37 46 12  -38 14 33  -37 18  9  -38 43 30   1.96
    126  0  0   -38  2 28   13 29 33.6    16    53   -22  -37 48 20  -38 16 43  -37 20 15  -38 45 43   1.96

    125  0  0   -38  5 20   13 29 40.6    16    53   -21  -37 51 11  -38 19 37  -37 23  4  -38 48 39   1.97
    124  0  0   -38  8 56   13 29 47.2    15    54   -21  -37 54 45  -38 23 14  -37 26 35  -38 52 19   1.97
    123  0  0   -38 13 14   13 29 53.7    14    55   -21  -37 59  1  -38 27 34  -37 30 48  -38 56 43   1.97
    122  0  0   -38 18 16   13 29 59.8    14    55   -20  -38  4  1  -38 32 38  -37 35 45  -39  1 50   1.98
    121  0  0   -38 24  1   13 30  5.7    13    56   -19  -38  9 44  -38 38 25  -37 41 24  -39  7 42   1.98

    120  0  0   -38 30 30   13 30 11.2    12    57   -19  -38 16 11  -38 44 56  -37 47 46  -39 14 19   1.99
    119  0  0   -38 37 43   13 30 16.5    12    57   -18  -38 23 21  -38 52 12  -37 54 51  -39 21 40   1.99
    118  0  0   -38 45 40   13 30 21.5    11    58   -18  -38 31 15  -39  0 11  -38  2 39  -39 29 45   2.00
    117  0  0   -38 54 20   13 30 26.1    10    59   -17  -38 39 53  -39  8 55  -38 11 11  -39 38 36   2.00
Uncertainty in time = +/- 6 secs
Prediction of 2020 Dec 31.0

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