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Updated: 2022 OCT 16, 23:10 UT
Event Rank : 99
(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.
On 2022 Nov 05 UT, the 45.1 km diameter asteroid (543) Charlotte will occult a 10.1 mag star in the constellation Pisces for observers along a path across Australia from Ingham across northern Queensland and north-western South Australia to near Eucla.
In the case of an occultation, the combined light of the asteroid and the star will drop by 3.11 mag to 13.18 mag (the magnitude of the asteroid) for at most 4.670 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, 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 :Important Note regarding Accuracy:
The uncertainty interval in path widths given above (and shown as a 1-sigma uncertainty ellipse on the plot) refers to RMS deviation and is applied as a +/- range. In other words, a path uncertainty of 1.0 path widths means that the actual center of the asteroid's shadow path should fall within plus or minus 1 path width of the plotted path center. However path errors larger than 1 sigma have been observed so observers should be alert for primary occultations within plus or minus 3 sigma of the updated path.
Further, almost all asteroidal satellites discovered so far have been found within 10 diameters of the asteroid (since this distance is deep enough within the gravitational well to be stable over long timescales). Therefore, if monitoring for secondary events, observing out to about 10 path-widths either side of the predicted track remains worthwhile.
We therefore recommend that you monitor for events if your observing location is up to +/- 10 path-widths from the predicted track. If not monitoring for occultations by secondary bodies you should observe from locations within 3 sigma of the nominal path.
In terms of time, the predictions are now usually accurate to about +/- 0.3 minute so you should be most attentive during the predicted minute of the event. However if intending to catch a potential satellite occultation you should start observing at least 10 times the predicted central duration before the predicted closest approach time for your location, and continue for a similar period afterwards.
Occultation of TYC 1749-00206-1 by 543 Charlotte on 2022 Nov 5
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 ' "
Longitude Longitude Longitude Longitude
120 21 33 -38 0 0 10 59 8.2 10 48 -5 119 55 13 120 47 49 119 47 11 120 55 48 0.29
121 56 30 -37 0 0 10 59 4.6 12 47 -6 121 30 45 122 22 12 121 22 54 122 30 1 0.30
123 28 56 -36 0 0 10 59 0.5 13 46 -8 123 3 42 123 54 7 122 56 1 124 1 46 0.30
124 59 5 -35 0 0 10 58 55.9 15 46 -9 124 34 20 125 23 47 124 26 48 125 31 18 0.31
126 27 11 -34 0 0 10 58 50.8 17 45 -11 126 2 53 126 51 27 125 55 28 126 58 50 0.31
127 53 25 -33 0 0 10 58 45.3 18 44 -12 127 29 31 128 17 17 127 22 14 128 24 33 0.31
129 18 0 -32 0 0 10 58 39.3 20 43 -14 128 54 28 129 41 30 128 47 17 129 48 39 0.32
130 41 4 -31 0 0 10 58 33.0 21 42 -15 130 17 52 131 4 14 130 10 48 131 11 17 0.32
132 2 47 -30 0 0 10 58 26.2 23 42 -17 131 39 54 132 25 39 131 32 55 132 32 36 0.32
133 23 17 -29 0 0 10 58 18.9 24 41 -18 133 0 41 133 45 52 132 53 47 133 52 45 0.32
134 42 42 -28 0 0 10 58 11.3 26 40 -20 134 20 21 135 5 2 134 13 33 135 11 50 0.32
136 1 10 -27 0 0 10 58 3.3 27 39 -21 135 39 3 136 23 16 135 32 19 136 30 0 0.32
137 18 46 -26 0 0 10 57 54.8 29 39 -23 136 56 52 137 40 40 136 50 12 137 47 20 0.32
138 35 38 -25 0 0 10 57 46.0 30 38 -24 138 13 56 138 57 21 138 7 19 139 3 58 0.32
139 51 52 -24 0 0 10 57 36.7 32 37 -26 139 30 20 140 13 24 139 23 46 140 19 58 0.32
141 7 33 -23 0 0 10 57 27.1 33 37 -27 140 46 9 141 28 56 140 39 39 141 35 27 0.33
142 22 46 -22 0 0 10 57 17.1 34 36 -29 142 1 31 142 44 1 141 55 2 142 50 30 0.33
143 37 37 -21 0 0 10 57 6.6 36 35 -30 143 16 29 143 58 45 143 10 3 144 5 12 0.33
144 52 10 -20 0 0 10 56 55.9 37 35 -32 144 31 9 145 13 13 144 24 44 145 19 38 0.33
146 6 32 -19 0 0 10 56 44.7 39 34 -33 145 45 35 146 27 30 145 39 13 146 33 53 0.33
147 20 46 -18 0 0 10 56 33.1 40 33 -35 146 59 53 147 41 40 146 53 32 147 48 2 0.33
148 34 57 -17 0 0 10 56 21.2 42 33 -36 148 14 8 148 55 48 148 7 48 149 2 9 0.33
149 49 11 -16 0 0 10 56 8.9 43 32 -38 149 28 23 150 9 59 149 22 4 150 16 20 0.33
151 3 30 -15 0 0 10 55 56.3 45 31 -39 150 42 44 151 24 18 150 36 25 151 30 38 0.33
152 18 1 -14 0 0 10 55 43.2 46 30 -41 151 57 15 152 38 48 151 50 56 152 45 8 0.33
153 32 47 -13 0 0 10 55 29.8 48 30 -42 153 12 1 153 53 35 153 5 42 153 59 56 0.33
154 47 54 -12 0 0 10 55 16.0 49 29 -44 154 27 6 155 8 44 154 20 46 155 15 5 0.33
156 3 26 -11 0 0 10 55 1.9 50 28 -45 155 42 36 156 24 18 155 36 15 156 30 40 0.32
157 19 28 -10 0 0 10 54 47.3 52 27 -47 156 58 34 157 40 24 156 52 12 157 46 47 0.32
158 36 5 - 9 0 0 10 54 32.4 53 26 -49 158 15 6 158 57 5 158 8 43 159 3 30 0.32
159 53 22 - 8 0 0 10 54 17.1 55 25 -50 159 32 17 160 14 28 159 25 53 160 20 54 0.32
Uncertainty in time = +/- 4 secs
Prediction of 2022 Oct 17.0
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