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Updated: 2023 MAY 14, 04:03 UT
Event Rank : 97
(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 2023 Jul 15 UT, the 57.7 km diameter asteroid (1262) Sniadeckia will occult a 10.0 mag star in the constellation Capricornus for observers along a path across Australia from Mackay (in early morning twilight) across Queensland and eastern South Australia to Streaky Bay.
In the case of an occultation, the combined light of the asteroid and the star will drop by 4.69 mag to 14.66 mag (the magnitude of the asteroid) for at most 4.770 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 6335-01037-1 by 1262 Sniadeckia on 2023 Jul 15
Centre Star Star Sun Path Limit1 Path Limit2 Error Limit1 Error Limit2 Alt
E. Longitude Latitude U.T. Alt Az Alt Crn
o ' " o ' " h m s o o o o ' " o ' " o ' " o ' " o ' " o ' " o ' " o ' "
Longitude Latitude Longitude Latitude Longitude Latitude Longitude Latitude
164 22 58 -12 31 17 19 37 55.5 12 254 2 163 32 10 -12 33 23 165 17 13 -12 28 3 162 53 56 -12 34 22 166 3 14 -12 24 31 0.85
163 23 12 -13 1 23 19 37 58.5 13 255 1 162 35 38 -13 2 24 164 13 30 -12 59 28 161 59 35 -13 2 39 164 55 43 -12 57 11 0.86
162 27 57 -13 29 59 19 38 1.5 14 255 0 161 42 58 -13 30 8 163 15 13 -13 29 6 161 8 42 -13 29 47 163 54 33 -13 27 47 0.86
161 36 21 -13 57 24 19 38 4.5 15 255 -1 160 53 28 -13 56 49 162 21 8 -13 57 20 160 20 41 -13 55 58 162 58 13 -13 56 47 0.87
160 47 45 -14 23 48 19 38 7.5 16 255 -2 160 6 39 -14 22 37 161 30 31 -14 24 27 159 35 6 -14 21 20 162 5 45 -14 24 31 0.87
160 1 41 -14 49 22 19 38 10.5 17 256 -3 159 22 6 -14 47 40 160 42 45 -14 50 36 158 51 38 -14 46 0 161 16 28 -14 51 12 0.87
159 17 48 -15 14 13 19 38 13.4 18 256 -3 158 39 31 -15 12 3 159 57 24 -15 15 57 158 10 0 -15 10 3 160 29 50 -15 17 0 0.87
158 35 49 -15 38 25 19 38 16.4 18 256 -4 157 58 41 -15 35 51 159 14 9 -15 40 36 157 29 59 -15 33 33 159 45 28 -15 42 2 0.87
157 55 31 -16 2 3 19 38 19.4 19 256 -5 157 19 22 -15 59 8 158 32 44 -16 4 38 156 51 25 -15 56 34 159 3 4 -16 6 25 0.87
157 16 41 -16 25 12 19 38 22.4 20 257 -6 156 41 27 -16 21 56 157 52 55 -16 28 8 156 14 9 -16 19 9 158 22 25 -16 30 13 0.87
156 39 12 -16 47 53 19 38 25.4 20 257 -6 156 4 46 -16 44 20 157 14 33 -16 51 9 155 38 3 -16 41 19 157 43 17 -16 53 30 0.88
156 2 55 -17 10 11 19 38 28.4 21 257 -7 155 29 12 -17 6 21 156 37 28 -17 13 43 155 3 1 -17 3 8 157 5 32 -17 16 19 0.88
155 27 43 -17 32 5 19 38 31.4 22 257 -8 154 54 39 -17 28 1 156 1 34 -17 35 54 154 28 58 -17 24 37 156 29 1 -17 38 44 0.88
154 53 31 -17 53 40 19 38 34.3 22 258 -8 154 21 3 -17 49 22 155 26 43 -17 57 43 153 55 49 -17 45 48 155 53 37 -18 0 45 0.88
154 20 14 -18 14 56 19 38 37.3 23 258 -9 153 48 19 -18 10 25 154 52 50 -18 19 13 153 23 29 -18 6 41 155 19 14 -18 22 26 0.88
153 47 47 -18 35 54 19 38 40.3 23 258 -9 153 16 23 -18 31 12 154 19 52 -18 40 24 152 51 55 -18 27 19 154 45 48 -18 43 48 0.88
153 16 7 -18 56 37 19 38 43.3 24 258 -10 152 45 11 -18 51 43 153 47 42 -19 1 18 152 21 4 -18 47 42 154 13 13 -19 4 52 0.88
152 45 11 -19 17 4 19 38 46.3 25 259 -11 152 14 40 -19 12 0 153 16 18 -19 21 57 151 50 53 -19 7 52 153 41 26 -19 25 40 0.88
152 14 55 -19 37 18 19 38 49.3 25 259 -11 151 44 48 -19 32 4 152 45 36 -19 42 21 151 21 19 -19 27 48 153 10 23 -19 46 12 0.88
151 45 16 -19 57 19 19 38 52.2 26 259 -12 151 15 32 -19 51 56 152 15 34 -20 2 31 150 52 19 -19 47 33 152 40 1 -20 6 31 0.88
151 16 14 -20 17 7 19 38 55.2 26 260 -12 150 46 50 -20 11 36 151 46 10 -20 22 29 150 23 52 -20 7 6 152 10 18 -20 26 36 0.88
150 47 44 -20 36 45 19 38 58.2 27 260 -13 150 18 39 -20 31 4 151 17 19 -20 42 15 149 55 56 -20 26 28 151 41 11 -20 46 30 0.88
150 19 45 -20 56 11 19 39 1.2 27 260 -13 149 50 58 -20 50 23 150 49 2 -21 1 49 149 28 29 -20 45 40 151 12 37 -21 6 11 0.88
149 52 16 -21 15 27 19 39 4.2 28 260 -14 149 23 46 -21 9 31 150 21 15 -21 21 14 149 1 30 -21 4 43 150 44 35 -21 25 42 0.88
149 25 14 -21 34 33 19 39 7.2 28 261 -14 148 57 0 -21 28 31 149 53 56 -21 40 28 148 34 56 -21 23 37 150 17 3 -21 45 2 0.88
148 58 39 -21 53 31 19 39 10.2 28 261 -15 148 30 40 -21 47 21 149 27 5 -21 59 32 148 8 47 -21 42 22 149 49 59 -22 4 12 0.88
148 32 29 -22 12 20 19 39 13.1 29 261 -15 148 4 43 -22 6 3 149 0 40 -22 18 28 147 43 1 -22 0 59 149 23 21 -22 23 14 0.88
148 6 42 -22 31 0 19 39 16.1 29 262 -16 147 39 10 -22 24 37 148 34 39 -22 37 15 147 17 37 -22 19 28 148 57 9 -22 42 6 0.88
147 41 17 -22 49 33 19 39 19.1 30 262 -16 147 13 58 -22 43 4 148 9 2 -22 55 54 146 52 35 -22 37 50 148 31 20 -23 0 51 0.88
147 16 14 -23 7 58 19 39 22.1 30 262 -16 146 49 6 -23 1 23 147 43 46 -23 14 25 146 27 52 -22 56 5 148 5 54 -23 19 27 0.88
146 51 31 -23 26 16 19 39 25.1 31 263 -17 146 24 34 -23 19 35 147 18 51 -23 32 49 146 3 28 -23 14 13 147 40 50 -23 37 56 0.88
146 27 7 -23 44 27 19 39 28.1 31 263 -17 146 0 21 -23 37 41 146 54 17 -23 51 7 145 39 23 -23 32 14 147 16 6 -23 56 18 0.88
146 3 2 -24 2 32 19 39 31.1 31 263 -18 145 36 26 -23 55 41 146 30 1 -24 9 17 145 15 35 -23 50 10 146 51 42 -24 14 33 0.88
145 39 14 -24 20 31 19 39 34.0 32 263 -18 145 12 47 -24 13 34 146 6 4 -24 27 21 144 52 4 -24 7 59 146 27 37 -24 32 42 0.88
145 15 43 -24 38 24 19 39 37.0 32 264 -19 144 49 25 -24 31 22 145 42 24 -24 45 19 144 28 49 -24 25 43 146 3 49 -24 50 44 0.88
144 52 29 -24 56 11 19 39 40.0 32 264 -19 144 26 19 -24 49 4 145 19 0 -25 3 11 144 5 49 -24 43 21 145 40 18 -25 8 40 0.88
144 29 29 -25 13 53 19 39 43.0 33 264 -19 144 3 28 -25 6 41 144 55 53 -25 20 58 143 43 4 -25 0 54 145 17 4 -25 26 31 0.88
144 6 45 -25 31 29 19 39 46.0 33 265 -20 143 40 51 -25 24 13 144 33 0 -25 38 39 143 20 32 -25 18 23 144 54 5 -25 44 16 0.88
143 44 15 -25 49 1 19 39 49.0 33 265 -20 143 18 27 -25 41 40 144 10 22 -25 56 16 142 58 15 -25 35 46 144 31 21 -26 1 56 0.88
143 21 58 -26 6 27 19 39 52.0 34 265 -21 142 56 17 -25 59 2 143 47 58 -26 13 47 142 36 10 -25 53 5 144 8 51 -26 19 31 0.88
142 59 54 -26 23 50 19 39 54.9 34 266 -21 142 34 20 -26 16 20 143 25 48 -26 31 14 142 14 17 -26 10 19 143 46 35 -26 37 1 0.88
142 38 3 -26 41 7 19 39 57.9 35 266 -21 142 12 35 -26 33 33 143 3 50 -26 48 36 141 52 37 -26 27 29 143 24 32 -26 54 27 0.89
142 16 23 -26 58 21 19 40 0.9 35 266 -22 141 51 1 -26 50 42 142 42 5 -27 5 53 141 31 7 -26 44 35 143 2 42 -27 11 48 0.89
141 54 56 -27 15 30 19 40 3.9 35 267 -22 141 29 39 -27 7 48 142 20 32 -27 23 7 141 9 49 -27 1 37 142 41 4 -27 29 5 0.89
141 33 39 -27 32 35 19 40 6.9 35 267 -22 141 8 28 -27 24 49 141 59 10 -27 40 16 140 48 42 -27 18 36 142 19 38 -27 46 18 0.89
141 12 33 -27 49 37 19 40 9.9 36 267 -23 140 47 27 -27 41 47 141 37 59 -27 57 22 140 27 45 -27 35 30 141 58 23 -28 3 27 0.89
140 51 38 -28 6 35 19 40 12.9 36 268 -23 140 26 36 -27 58 41 141 16 59 -28 14 24 140 6 58 -27 52 21 141 37 18 -28 20 32 0.89
140 30 53 -28 23 29 19 40 15.8 36 268 -23 140 5 55 -28 15 31 140 56 8 -28 31 22 139 46 20 -28 9 9 141 16 24 -28 37 34 0.89
140 10 17 -28 40 20 19 40 18.8 37 269 -24 139 45 23 -28 32 19 140 35 29 -28 48 17 139 25 51 -28 25 53 140 55 41 -28 54 32 0.89
139 49 50 -28 57 8 19 40 21.8 37 269 -24 139 25 0 -28 49 3 140 14 58 -29 5 9 139 5 31 -28 42 34 140 35 7 -29 11 27 0.89
139 29 32 -29 13 53 19 40 24.8 37 269 -24 139 4 46 -29 5 44 139 54 36 -29 21 57 138 45 20 -28 59 13 140 14 42 -29 28 18 0.89
139 9 22 -29 30 35 19 40 27.8 38 270 -25 138 44 40 -29 22 22 139 34 23 -29 38 43 138 25 17 -29 15 48 139 54 26 -29 45 6 0.89
138 49 21 -29 47 13 19 40 30.8 38 270 -25 138 24 42 -29 38 57 139 14 18 -29 55 25 138 5 21 -29 32 20 139 34 19 -30 1 52 0.89
138 29 28 -30 3 49 19 40 33.8 38 270 -25 138 4 52 -29 55 29 138 54 22 -30 12 5 137 45 33 -29 48 50 139 14 19 -30 18 34 0.89
138 9 42 -30 20 23 19 40 36.7 38 271 -26 137 45 9 -30 11 59 138 34 33 -30 28 41 137 25 53 -30 5 17 138 54 28 -30 35 14 0.89
137 50 4 -30 36 53 19 40 39.7 39 271 -26 137 25 33 -30 28 26 138 14 52 -30 45 15 137 6 19 -30 21 41 138 34 45 -30 51 51 0.89
137 30 33 -30 53 21 19 40 42.7 39 271 -26 137 6 5 -30 44 51 137 55 18 -31 1 47 136 46 52 -30 38 3 138 15 9 -31 8 25 0.89
137 11 9 -31 9 47 19 40 45.7 39 272 -27 136 46 43 -31 1 13 137 35 52 -31 18 16 136 27 32 -30 54 23 137 55 40 -31 24 57 0.89
136 51 51 -31 26 10 19 40 48.7 39 272 -27 136 27 27 -31 17 33 137 16 32 -31 34 43 136 8 19 -31 10 41 137 36 18 -31 41 26 0.89
136 32 40 -31 42 31 19 40 51.7 40 273 -27 136 8 18 -31 33 51 136 57 18 -31 51 7 135 49 11 -31 26 56 137 17 3 -31 57 53 0.89
136 13 34 -31 58 50 19 40 54.6 40 273 -28 135 49 15 -31 50 7 136 38 11 -32 7 29 135 30 9 -31 43 9 136 57 55 -32 14 18 0.89
135 54 35 -32 15 7 19 40 57.6 40 273 -28 135 30 17 -32 6 20 136 19 10 -32 23 50 135 11 13 -31 59 20 136 38 52 -32 30 41 0.89
135 35 42 -32 31 22 19 41 0.6 40 274 -28 135 11 25 -32 22 32 136 0 15 -32 40 8 134 52 22 -32 15 29 136 19 56 -32 47 2 0.89
135 16 54 -32 47 35 19 41 3.6 41 274 -29 134 52 39 -32 38 42 135 41 25 -32 56 24 134 33 37 -32 31 36 136 1 5 -33 3 21 0.89
134 58 11 -33 3 46 19 41 6.6 41 275 -29 134 33 57 -32 54 49 135 22 41 -33 12 38 134 14 56 -32 47 41 135 42 20 -33 19 37 0.89
134 39 33 -33 19 55 19 41 9.6 41 275 -29 134 15 21 -33 10 56 135 4 2 -33 28 51 133 56 20 -33 3 45 135 23 40 -33 35 52 0.89
134 21 0 -33 36 2 19 41 12.6 41 275 -29 133 56 49 -33 27 0 134 45 28 -33 45 1 133 37 50 -33 19 47 135 5 5 -33 52 6 0.89
134 2 32 -33 52 8 19 41 15.5 42 276 -30 133 38 22 -33 43 3 134 26 59 -34 1 10 133 19 23 -33 35 47 134 46 35 -34 8 17 0.89
133 44 9 -34 8 13 19 41 18.5 42 276 -30 133 19 59 -33 59 4 134 8 35 -34 17 18 133 1 1 -33 51 46 134 28 10 -34 24 27 0.89
133 25 49 -34 24 15 19 41 21.5 42 277 -30 133 1 40 -34 15 3 133 50 15 -34 33 24 132 42 43 -34 7 43 134 9 49 -34 40 36 0.89
133 7 34 -34 40 17 19 41 24.5 42 277 -30 132 43 26 -34 31 2 133 31 59 -34 49 28 132 24 29 -34 23 39 133 51 33 -34 56 43 0.89
132 49 24 -34 56 17 19 41 27.5 42 278 -31 132 25 16 -34 46 58 133 13 49 -35 5 31 132 6 19 -34 39 33 133 33 21 -35 12 48 0.89
132 31 17 -35 12 15 19 41 30.5 43 278 -31 132 7 9 -35 2 54 132 55 41 -35 21 33 131 48 13 -34 55 26 133 15 14 -35 28 52 0.89
132 13 13 -35 28 12 19 41 33.5 43 279 -31 131 49 6 -35 18 48 132 37 37 -35 37 33 131 30 10 -35 11 18 132 57 10 -35 44 55 0.89
131 55 13 -35 44 8 19 41 36.4 43 279 -31 131 31 6 -35 34 41 132 19 37 -35 53 32 131 12 10 -35 27 9 132 39 10 -36 0 57 0.89
131 37 17 -36 0 3 19 41 39.4 43 279 -32 131 13 10 -35 50 33 132 1 41 -36 9 30 130 54 13 -35 42 58 132 21 14 -36 16 57 0.89
131 19 23 -36 15 57 19 41 42.4 43 280 -32 130 55 16 -36 6 24 131 43 47 -36 25 27 130 36 20 -35 58 47 132 3 20 -36 32 57 0.89
131 1 33 -36 31 50 19 41 45.4 43 280 -32 130 37 25 -36 22 13 131 25 57 -36 41 23 130 18 29 -36 14 34 131 45 30 -36 48 55 0.89
130 43 45 -36 47 41 19 41 48.4 44 281 -32 130 19 37 -36 38 2 131 8 10 -36 57 18 130 0 41 -36 30 20 131 27 43 -37 4 52 0.90
130 26 0 -37 3 32 19 41 51.4 44 281 -33 130 1 52 -36 53 50 130 50 25 -37 13 11 129 42 55 -36 46 5 131 9 59 -37 20 48 0.90
130 8 18 -37 19 22 19 41 54.4 44 282 -33 129 44 10 -37 9 36 130 32 43 -37 29 4 129 25 12 -37 1 50 130 52 18 -37 36 44 0.90
129 50 38 -37 35 11 19 41 57.3 44 282 -33 129 26 29 -37 25 22 130 15 4 -37 44 56 129 7 31 -37 17 33 130 34 39 -37 52 38 0.90
129 33 1 -37 50 59 19 42 0.3 44 283 -33 129 8 51 -37 41 7 129 57 28 -38 0 48 128 49 53 -37 33 16 130 17 3 -38 8 32 0.90
129 15 26 -38 6 46 19 42 3.3 44 283 -34 128 51 15 -37 56 52 129 39 53 -38 16 38 128 32 16 -37 48 58 129 59 29 -38 24 25 0.90
128 57 53 -38 22 33 19 42 6.3 45 284 -34 128 33 41 -38 12 35 129 22 21 -38 32 28 128 14 42 -38 4 39 129 41 58 -38 40 17 0.90
128 40 21 -38 38 19 19 42 9.3 45 284 -34 128 16 9 -38 28 18 129 4 51 -38 48 17 127 57 9 -38 20 20 129 24 28 -38 56 9 0.90
128 22 52 -38 54 4 19 42 12.3 45 285 -34 127 58 38 -38 44 1 128 47 22 -39 4 5 127 39 38 -38 36 0 129 7 1 -39 11 59 0.90
Uncertainty in time = +/- 3 secs
Prediction of 2023 May 14.2
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