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ASTROMETRIC UPDATE:
OCCULTATION BY (261) PRYMNO - 2023 FEB 22

[Edwin Goffin's Prediction + Finder Charts]

[Detailed Finder Charts]


Updated:   2022 Dec 30, 01:16 UT

Event Rank : 100

(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.

Prymno Update Map


On 2023 Feb 22 UT, the 50 km diameter asteroid (261) Prymno will occult a 11.8 mag star in the constellation Cancer for observers along a path across New Zealand, passing over Whakatane and Auckland, albeit at low altitude. The path will then cross Queensland and Northern Territory passing over Harvey Bay, Gladstone, Rockhampton and Katherine.

In the case of an occultation, the combined light of the asteroid and the star will drop by 1.1 mag to 12.37 mag (the magnitude of the asteroid) for at most 8.0 seconds.

This update is based on, 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, in particular 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 566-043456 by 261 Prymno on 2023 Feb 22
                  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
    122  0  0   - 9 56 55   14 46 54.2    56   348   -62  - 9 40 22  -10 13 31  - 9 38 51  -10 15  3   0.55
    123  0  0   -10 20 59   14 46 37.4    56   346   -62  -10  4 23  -10 37 37  -10  2 51  -10 39 10   0.55

    124  0  0   -10 45 27   14 46 20.6    55   345   -63  -10 28 48  -11  2  8  -10 27 16  -11  3 41   0.56
    125  0  0   -11 10 19   14 46  3.9    54   344   -63  -10 53 38  -11 27  3  -10 52  5  -11 28 36   0.56
    126  0  0   -11 35 35   14 45 47.3    54   343   -63  -11 18 51  -11 52 23  -11 17 18  -11 53 56   0.56
    127  0  0   -12  1 16   14 45 30.8    53   341   -63  -11 44 28  -12 18  6  -11 42 55  -12 19 40   0.56
    128  0  0   -12 27 19   14 45 14.5    52   340   -63  -12 10 28  -12 44 12  -12  8 55  -12 45 46   0.56

    129  0  0   -12 53 45   14 44 58.2    52   339   -64  -12 36 52  -13 10 42  -12 35 18  -13 12 16   0.56
    130  0  0   -13 20 34   14 44 42.1    51   338   -64  -13  3 37  -13 37 34  -13  2  3  -13 39  8   0.56
    131  0  0   -13 47 45   14 44 26.2    50   337   -64  -13 30 45  -14  4 47  -13 29 11  -14  6 22   0.56
    132  0  0   -14 15 17   14 44 10.4    49   336   -64  -13 58 14  -14 32 23  -13 56 40  -14 33 58   0.56
    133  0  0   -14 43 10   14 43 54.8    49   335   -64  -14 26  4  -15  0 19  -14 24 29  -15  1 54   0.56

    134  0  0   -15 11 24   14 43 39.3    48   334   -63  -14 54 15  -15 28 36  -14 52 40  -15 30 11   0.56
    135  0  0   -15 39 57   14 43 24.0    47   333   -63  -15 22 45  -15 57 13  -15 21 10  -15 58 49   0.56
    136  0  0   -16  8 51   14 43  8.9    46   332   -63  -15 51 36  -16 26  9  -15 50  0  -16 27 45   0.57
    137  0  0   -16 38  3   14 42 54.0    45   332   -63  -16 20 45  -16 55 24  -16 19  9  -16 57  1   0.57
    138  0  0   -17  7 33   14 42 39.3    44   331   -62  -16 50 12  -17 24 58  -16 48 36  -17 26 34   0.57

    139  0  0   -17 37 21   14 42 24.8    44   330   -62  -17 19 57  -17 54 49  -17 18 21  -17 56 26   0.57
    140  0  0   -18  7 26   14 42 10.5    43   329   -62  -17 49 59  -18 24 57  -17 48 22  -18 26 34   0.57
    141  0  0   -18 37 48   14 41 56.5    42   328   -61  -18 20 17  -18 55 21  -18 18 41  -18 56 59   0.57
    142  0  0   -19  8 25   14 41 42.7    41   328   -61  -18 50 52  -19 26  2  -18 49 14  -19 27 39   0.57
    143  0  0   -19 39 17   14 41 29.1    40   327   -60  -19 21 41  -19 56 57  -19 20  3  -19 58 35   0.57

    144  0  0   -20 10 23   14 41 15.8    39   326   -60  -19 52 44  -20 28  6  -19 51  6  -20 29 44   0.57
    145  0  0   -20 41 43   14 41  2.8    38   326   -59  -20 24  1  -20 59 29  -20 22 23  -21  1  7   0.57
    146  0  0   -21 13 15   14 40 50.0    37   325   -59  -20 55 31  -21 31  4  -20 53 52  -21 32 43   0.57
    147  0  0   -21 45  0   14 40 37.5    36   324   -58  -21 27 12  -22  2 51  -21 25 34  -22  4 30   0.57
    148  0  0   -22 16 55   14 40 25.3    35   324   -57  -21 59  5  -22 34 49  -21 57 26  -22 36 29   0.58

    149  0  0   -22 49  1   14 40 13.3    34   323   -57  -22 31  8  -23  6 58  -22 29 29  -23  8 37   0.58
    150  0  0   -23 21 16   14 40  1.7    33   322   -56  -23  3 21  -23 39 15  -23  1 42  -23 40 55   0.58
    151  0  0   -23 53 40   14 39 50.3    32   322   -55  -23 35 42  -24 11 41  -23 34  2  -24 13 22   0.58
    152  0  0   -24 26 11   14 39 39.3    31   321   -55  -24  8 11  -24 44 15  -24  6 31  -24 45 56   0.58
    153  0  0   -24 58 49   14 39 28.6    30   321   -54  -24 40 46  -25 16 55  -24 39  6  -25 18 36   0.58

    154  0  0   -25 31 33   14 39 18.2    30   320   -53  -25 13 28  -25 49 41  -25 11 48  -25 51 22   0.58
    155  0  0   -26  4 21   14 39  8.1    29   319   -52  -25 46 14  -26 22 32  -25 44 34  -26 24 13   0.58
    172  0  0   -35 18 24   14 37  9.2    12   310   -38  -34 59 59  -35 36 53  -34 58 17  -35 38 35   0.59
    173  0  0   -35 49 50   14 37  5.3    11   309   -37  -35 31 25  -36  8 19  -35 29 44  -36 10  1   0.59

    174  0  0   -36 21  2   14 37  1.8    10   308   -36  -36  2 38  -36 39 31  -36  0 56  -36 41 13   0.59
    175  0  0   -36 52  0   14 36 58.6     9   308   -35  -36 33 37  -37 10 28  -36 31 55  -37 12 10   0.59
    176  0  0   -37 22 43   14 36 55.7     8   307   -34  -37  4 20  -37 41 10  -37  2 38  -37 42 52   0.59
    177  0  0   -37 53  9   14 36 53.2     7   307   -33  -37 34 47  -38 11 35  -37 33  5  -38 13 18   0.59
    178  0  0   -38 23 19   14 36 51.0     6   306   -32  -38  4 58  -38 41 43  -38  3 16  -38 43 26   0.59

    179  0  0   -38 53 10   14 36 49.0     5   305   -31  -38 34 50  -39 11 34  -38 33  9  -39 13 16   0.59


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