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Updated: 2022 OCT 02, 00:09 UT
Event Rank : 96
(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 23 UT, the 40.1 km diameter asteroid (1113) Katja will occult a 11.4 mag star in the constellation Pisces for observers along a path across south-eastern Australia, running down the New South Wales coast and the eastern Tasmania coast.
In the case of an occultation, the combined light of the asteroid and the star will drop by 2.55 mag to 13.82 mag (the magnitude of the asteroid) for at most 5.830 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 1743-00392-1 by 1113 Katja on 2022 Nov 23
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
165 10 51 -12 12 8 11 58 40.8 41 321 -55 165 22 31 -12 24 18 164 59 16 -12 0 2 165 32 17 -12 34 29 164 49 40 -11 50 1 1.16
164 57 51 -12 25 32 11 58 45.5 41 321 -55 165 9 31 -12 37 43 164 46 15 -12 13 25 165 19 19 -12 47 54 164 36 39 -12 3 23 1.16
164 44 54 -12 39 0 11 58 50.2 40 321 -55 164 56 35 -12 51 12 164 33 18 -12 26 53 165 6 23 -13 1 25 164 23 42 -12 16 49 1.16
164 32 0 -12 52 33 11 58 54.9 40 322 -55 164 43 41 -13 4 46 164 20 24 -12 40 24 164 53 29 -13 14 59 164 10 47 -12 30 20 1.16
164 19 9 -13 6 11 11 58 59.6 40 322 -54 164 30 51 -13 18 24 164 7 32 -12 54 1 164 40 39 -13 28 39 163 57 54 -12 43 56 1.16
164 6 21 -13 19 53 11 59 4.3 40 322 -54 164 18 3 -13 32 8 163 54 43 -13 7 42 164 27 52 -13 42 23 163 45 5 -12 57 36 1.16
163 53 35 -13 33 39 11 59 9.0 40 323 -54 164 5 18 -13 45 55 163 41 57 -13 21 27 164 15 7 -13 56 12 163 32 18 -13 11 20 1.16
163 40 52 -13 47 30 11 59 13.8 40 323 -54 163 52 36 -13 59 48 163 29 13 -13 35 17 164 2 26 -14 10 5 163 19 34 -13 25 9 1.16
163 28 12 -14 1 26 11 59 18.5 40 323 -53 163 39 56 -14 13 45 163 16 32 -13 49 12 163 49 47 -14 24 4 163 6 53 -13 39 3 1.16
163 15 34 -14 15 27 11 59 23.2 40 323 -53 163 27 19 -14 27 47 163 3 54 -14 3 11 163 37 11 -14 38 7 162 54 14 -13 53 1 1.16
163 3 0 -14 29 33 11 59 27.9 40 324 -53 163 14 45 -14 41 54 162 51 19 -14 17 16 163 24 37 -14 52 15 162 41 38 -14 7 4 1.16
162 50 27 -14 43 43 11 59 32.6 40 324 -52 163 2 14 -14 56 6 162 38 46 -14 31 25 163 12 6 -15 6 28 162 29 5 -14 21 12 1.16
162 37 58 -14 57 58 11 59 37.3 40 324 -52 162 49 45 -15 10 23 162 26 16 -14 45 38 162 59 38 -15 20 46 162 16 34 -14 35 25 1.17
162 25 31 -15 12 19 11 59 42.1 40 325 -52 162 37 19 -15 24 44 162 13 48 -14 59 57 162 47 13 -15 35 9 162 4 6 -14 49 43 1.17
162 13 7 -15 26 44 11 59 46.8 40 325 -52 162 24 56 -15 39 11 162 1 23 -15 14 21 162 34 50 -15 49 37 161 51 40 -15 4 5 1.17
162 0 45 -15 41 14 11 59 51.5 40 325 -51 162 12 35 -15 53 43 161 49 0 -15 28 50 162 22 30 -16 4 10 161 39 16 -15 18 33 1.17
161 48 25 -15 55 50 11 59 56.2 39 325 -51 162 0 16 -16 8 20 161 36 40 -15 43 24 162 10 12 -16 18 49 161 26 55 -15 33 5 1.17
161 36 9 -16 10 30 12 0 0.9 39 326 -51 161 48 0 -16 23 2 161 24 22 -15 58 3 161 57 57 -16 33 33 161 14 37 -15 47 43 1.17
161 23 54 -16 25 16 12 0 5.6 39 326 -50 161 35 47 -16 37 50 161 12 7 -16 12 47 161 45 45 -16 48 22 161 2 21 -16 2 26 1.17
161 11 43 -16 40 7 12 0 10.3 39 326 -50 161 23 36 -16 52 43 160 59 54 -16 27 36 161 33 35 -17 3 16 160 50 7 -16 17 14 1.17
160 59 33 -16 55 4 12 0 15.1 39 327 -50 161 11 28 -17 7 41 160 47 43 -16 42 31 161 21 27 -17 18 16 160 37 56 -16 32 7 1.17
160 47 26 -17 10 6 12 0 19.8 39 327 -49 160 59 22 -17 22 45 160 35 35 -16 57 31 161 9 23 -17 33 22 160 25 47 -16 47 5 1.17
160 35 21 -17 25 13 12 0 24.5 39 327 -49 160 47 18 -17 37 55 160 23 30 -17 12 37 160 57 20 -17 48 33 160 13 40 -17 2 9 1.17
160 23 19 -17 40 26 12 0 29.2 39 327 -49 160 35 17 -17 53 10 160 11 26 -17 27 48 160 45 20 -18 3 50 160 1 36 -17 17 19 1.17
160 11 19 -17 55 45 12 0 33.9 39 328 -49 160 23 19 -18 8 31 159 59 25 -17 43 4 160 33 22 -18 19 12 159 49 34 -17 32 34 1.17
159 59 22 -18 11 10 12 0 38.6 38 328 -48 160 11 22 -18 23 57 159 47 26 -17 58 27 160 21 27 -18 34 41 159 37 34 -17 47 55 1.17
159 47 27 -18 26 40 12 0 43.4 38 328 -48 159 59 29 -18 39 30 159 35 30 -18 13 55 160 9 34 -18 50 15 159 25 37 -18 3 21 1.17
159 35 34 -18 42 16 12 0 48.1 38 328 -48 159 47 37 -18 55 8 159 23 36 -18 29 29 159 57 44 -19 5 55 159 13 42 -18 18 53 1.18
159 23 43 -18 57 58 12 0 52.8 38 329 -47 159 35 48 -19 10 53 159 11 44 -18 45 9 159 45 56 -19 21 42 159 1 49 -18 34 31 1.18
159 11 55 -19 13 47 12 0 57.5 38 329 -47 159 24 1 -19 26 43 158 59 54 -19 0 55 159 34 10 -19 37 35 158 49 58 -18 50 15 1.18
159 0 9 -19 29 41 12 1 2.2 38 329 -47 159 12 16 -19 42 40 158 48 7 -19 16 47 159 22 27 -19 53 34 158 38 9 -19 6 5 1.18
158 48 25 -19 45 42 12 1 6.9 38 330 -46 159 0 34 -19 58 43 158 36 21 -19 32 45 159 10 46 -20 9 39 158 26 23 -19 22 1 1.18
158 36 43 -20 1 49 12 1 11.6 37 330 -46 158 48 54 -20 14 53 158 24 38 -19 48 49 158 59 7 -20 25 51 158 14 38 -19 38 4 1.18
158 25 4 -20 18 2 12 1 16.4 37 330 -46 158 37 16 -20 31 9 158 12 57 -20 5 0 158 47 31 -20 42 9 158 2 56 -19 54 12 1.18
158 13 26 -20 34 22 12 1 21.1 37 330 -45 158 25 40 -20 47 32 158 1 18 -20 21 17 158 35 57 -20 58 34 157 51 16 -20 10 27 1.18
158 1 51 -20 50 49 12 1 25.8 37 331 -45 158 14 7 -21 4 2 157 49 42 -20 37 41 158 24 25 -21 15 6 157 39 38 -20 26 49 1.18
157 50 19 -21 7 22 12 1 30.5 37 331 -45 158 2 36 -21 20 38 157 38 7 -20 54 12 158 12 55 -21 31 45 157 28 2 -20 43 17 1.18
157 38 48 -21 24 3 12 1 35.2 37 331 -45 157 51 7 -21 37 22 157 26 35 -21 10 49 158 1 28 -21 48 31 157 16 28 -20 59 52 1.18
157 27 20 -21 40 50 12 1 39.9 36 331 -44 157 39 41 -21 54 12 157 15 4 -21 27 34 157 50 3 -22 5 25 157 4 56 -21 16 34 1.18
157 15 53 -21 57 45 12 1 44.6 36 332 -44 157 28 16 -22 11 10 157 3 36 -21 44 25 157 38 40 -22 22 25 156 53 27 -21 33 23 1.18
157 4 29 -22 14 47 12 1 49.4 36 332 -44 157 16 54 -22 28 15 156 52 10 -22 1 24 157 27 20 -22 39 33 156 41 59 -21 50 19 1.18
156 53 7 -22 31 56 12 1 54.1 36 332 -43 157 5 34 -22 45 28 156 40 46 -22 18 30 157 16 1 -22 56 49 156 30 33 -22 7 23 1.19
156 41 47 -22 49 13 12 1 58.8 36 333 -43 156 54 16 -23 2 48 156 29 24 -22 35 43 157 4 46 -23 14 12 156 19 10 -22 24 33 1.19
156 30 29 -23 6 37 12 2 3.5 36 333 -43 156 43 1 -23 20 16 156 18 4 -22 53 4 156 53 32 -23 31 43 156 7 48 -22 41 51 1.19
156 19 14 -23 24 10 12 2 8.2 35 333 -42 156 31 47 -23 37 53 156 6 46 -23 10 33 156 42 20 -23 49 23 155 56 29 -22 59 17 1.19
156 8 0 -23 41 50 12 2 12.9 35 333 -42 156 20 36 -23 55 37 155 55 31 -23 28 10 156 31 11 -24 7 10 155 45 11 -23 16 51 1.19
155 56 49 -23 59 39 12 2 17.7 35 334 -42 156 9 27 -24 13 29 155 44 17 -23 45 55 156 20 4 -24 25 6 155 33 56 -23 34 33 1.19
155 45 40 -24 17 36 12 2 22.4 35 334 -41 155 58 20 -24 31 30 155 33 5 -24 3 48 156 9 0 -24 43 11 155 22 42 -23 52 22 1.19
155 34 32 -24 35 41 12 2 27.1 35 334 -41 155 47 16 -24 49 40 155 21 56 -24 21 49 155 57 57 -25 1 24 155 11 30 -24 10 21 1.19
155 23 27 -24 53 56 12 2 31.8 34 334 -41 155 36 13 -25 7 59 155 10 48 -24 39 59 155 46 57 -25 19 46 155 0 21 -24 28 27 1.19
155 12 25 -25 12 19 12 2 36.5 34 335 -40 155 25 13 -25 26 26 154 59 43 -24 58 18 155 35 59 -25 38 17 154 49 13 -24 46 42 1.19
155 1 24 -25 30 51 12 2 41.2 34 335 -40 155 14 15 -25 45 3 154 48 40 -25 16 46 155 25 4 -25 56 58 154 38 8 -25 5 7 1.19
154 50 25 -25 49 33 12 2 45.9 34 335 -40 155 3 20 -26 3 49 154 37 38 -25 35 23 155 14 11 -26 15 48 154 27 4 -25 23 40 1.19
154 39 29 -26 8 24 12 2 50.7 34 335 -39 154 52 26 -26 22 45 154 26 39 -25 54 9 155 3 20 -26 34 49 154 16 3 -25 42 22 1.19
154 28 35 -26 27 25 12 2 55.4 33 336 -39 154 41 35 -26 41 51 154 15 42 -26 13 5 154 52 31 -26 53 59 154 5 3 -26 1 14 1.20
154 17 43 -26 46 35 12 3 0.1 33 336 -39 154 30 46 -27 1 7 154 4 47 -26 32 11 154 41 45 -27 13 19 153 54 6 -26 20 16 1.20
154 6 53 -27 5 56 12 3 4.8 33 336 -38 154 20 0 -27 20 34 153 53 54 -26 51 27 154 31 2 -27 32 50 153 43 10 -26 39 27 1.20
153 56 6 -27 25 28 12 3 9.5 33 336 -38 154 9 16 -27 40 11 153 43 3 -27 10 53 154 20 20 -27 52 32 153 32 17 -26 58 49 1.20
153 45 20 -27 45 10 12 3 14.2 32 337 -37 153 58 34 -27 59 59 153 32 15 -27 30 30 154 9 42 -28 12 25 153 21 26 -27 18 21 1.20
153 34 37 -28 5 4 12 3 19.0 32 337 -37 153 47 55 -28 19 58 153 21 28 -27 50 17 153 59 5 -28 32 30 153 10 36 -27 38 4 1.20
153 23 57 -28 25 9 12 3 23.7 32 337 -37 153 37 18 -28 40 9 153 10 44 -28 10 16 153 48 32 -28 52 46 152 59 49 -27 57 58 1.20
153 13 18 -28 45 25 12 3 28.4 32 337 -36 153 26 43 -29 0 32 153 0 2 -28 30 26 153 38 1 -29 13 14 152 49 4 -28 18 4 1.20
153 2 43 -29 5 54 12 3 33.1 31 337 -36 153 16 12 -29 21 7 152 49 22 -28 50 48 153 27 32 -29 33 55 152 38 22 -28 38 20 1.20
152 52 9 -29 26 35 12 3 37.8 31 338 -36 153 5 42 -29 41 55 152 38 45 -29 11 23 153 17 7 -29 54 49 152 27 41 -28 58 49 1.20
152 41 38 -29 47 28 12 3 42.5 31 338 -35 152 55 16 -30 2 56 152 28 10 -29 32 9 153 6 44 -30 15 55 152 17 3 -29 19 30 1.20
152 31 10 -30 8 35 12 3 47.2 31 338 -35 152 44 52 -30 24 10 152 17 37 -29 53 9 152 56 24 -30 37 16 152 6 26 -29 40 24 1.20
152 20 44 -30 29 55 12 3 52.0 30 338 -35 152 34 30 -30 45 38 152 7 7 -30 14 22 152 46 6 -30 58 50 151 55 53 -30 1 31 1.20
152 10 21 -30 51 29 12 3 56.7 30 339 -34 152 24 12 -31 7 20 151 56 39 -30 35 48 152 35 52 -31 20 39 151 45 21 -30 22 51 1.20
152 0 0 -31 13 18 12 4 1.4 30 339 -34 152 13 56 -31 29 16 151 46 13 -30 57 29 152 25 41 -31 42 43 151 34 52 -30 44 25 1.21
151 49 42 -31 35 21 12 4 6.1 29 339 -33 152 3 44 -31 51 28 151 35 51 -31 19 24 152 15 33 -32 5 2 151 24 25 -31 6 14 1.21
151 39 28 -31 57 40 12 4 10.8 29 339 -33 151 53 34 -32 13 56 151 25 31 -31 41 34 152 5 28 -32 27 38 151 14 1 -31 28 17 1.21
151 29 16 -32 20 14 12 4 15.5 29 339 -33 151 43 28 -32 36 40 151 15 14 -32 3 59 151 55 27 -32 50 29 151 3 40 -31 50 35 1.21
151 19 7 -32 43 5 12 4 20.2 28 340 -32 151 33 25 -32 59 41 151 4 59 -32 26 41 151 45 29 -33 13 39 150 53 21 -32 13 9 1.21
151 9 1 -33 6 14 12 4 25.0 28 340 -32 151 23 26 -33 22 59 150 54 48 -32 49 40 151 35 35 -33 37 6 150 43 5 -32 36 0 1.21
150 58 59 -33 29 40 12 4 29.7 28 340 -31 151 13 30 -33 46 36 150 44 39 -33 12 55 151 25 44 -34 0 51 150 32 52 -32 59 7 1.21
150 49 0 -33 53 24 12 4 34.4 27 340 -31 151 3 38 -34 10 31 150 34 34 -33 36 29 151 15 58 -34 24 56 150 22 41 -33 22 32 1.21
150 39 5 -34 17 27 12 4 39.1 27 341 -31 150 53 49 -34 34 46 150 24 32 -34 0 21 151 6 16 -34 49 21 150 12 34 -33 46 16 1.21
150 29 13 -34 41 51 12 4 43.8 27 341 -30 150 44 5 -34 59 21 150 14 34 -34 24 33 150 56 38 -35 14 7 150 2 30 -34 10 18 1.21
150 19 26 -35 6 35 12 4 48.5 26 341 -30 150 34 25 -35 24 18 150 4 39 -34 49 5 150 47 5 -35 39 15 149 52 30 -34 34 40 1.21
150 9 43 -35 31 41 12 4 53.3 26 341 -29 150 24 50 -35 49 37 149 54 48 -35 13 58 150 37 37 -36 4 46 149 42 33 -34 59 23 1.21
150 0 4 -35 57 9 12 4 58.0 26 341 -29 150 15 19 -36 15 20 149 45 1 -35 39 13 150 28 14 -36 30 40 149 32 40 -35 24 27 1.21
149 50 29 -36 23 1 12 5 2.7 25 342 -28 150 5 54 -36 41 27 149 35 19 -36 4 51 150 18 56 -36 57 0 149 22 50 -35 49 54 1.21
149 41 0 -36 49 18 12 5 7.4 25 342 -28 149 56 34 -37 7 59 149 25 40 -36 30 53 150 9 44 -37 23 46 149 13 5 -36 15 44 1.22
149 31 36 -37 16 1 12 5 12.1 25 342 -28 149 47 20 -37 34 59 149 16 7 -36 57 20 150 0 39 -37 51 0 149 3 24 -36 41 58 1.22
149 22 17 -37 43 12 12 5 16.8 24 342 -27 149 38 12 -38 2 27 149 6 39 -37 24 14 149 51 40 -38 18 43 148 53 48 -37 8 39 1.22
149 13 5 -38 10 51 12 5 21.5 24 342 -27 149 29 10 -38 30 24 148 57 16 -37 51 36 149 42 48 -38 46 57 148 44 17 -37 35 46 1.22
149 3 58 -38 39 1 12 5 26.3 23 343 -26 149 20 16 -38 58 54 148 47 58 -38 19 27 149 34 4 -39 15 43 148 34 51 -38 3 22 1.22
148 54 59 -39 7 43 12 5 31.0 23 343 -26 149 11 29 -39 27 57 148 38 48 -38 47 49 149 25 29 -39 45 4 148 25 31 -38 31 29 1.22
148 46 8 -39 36 59 12 5 35.7 23 343 -25 149 2 51 -39 57 35 148 29 43 -39 16 44 149 17 2 -40 15 2 148 16 17 -39 0 7 1.22
148 37 24 -40 6 51 12 5 40.4 22 343 -25 148 54 22 -40 27 51 148 20 47 -39 46 13 149 8 46 -40 45 39 148 7 10 -39 29 18 1.22
148 28 50 -40 37 22 12 5 45.1 22 343 -24 148 46 2 -40 58 47 148 11 58 -40 16 20 149 0 40 -41 16 57 147 58 10 -39 59 6 1.22
148 20 25 -41 8 34 12 5 49.8 21 343 -24 148 37 54 -41 30 27 148 3 18 -40 47 6 148 52 47 -41 49 1 147 49 18 -40 29 31 1.22
148 12 11 -41 40 30 12 5 54.6 21 344 -23 148 29 58 -42 2 53 147 54 47 -41 18 34 148 45 7 -42 21 53 147 40 35 -41 0 37 1.22
148 4 9 -42 13 13 12 5 59.3 20 344 -23 148 22 15 -42 36 8 147 46 27 -41 50 47 148 37 41 -42 55 38 147 32 1 -41 32 27 1.22
147 56 20 -42 46 48 12 6 4.0 20 344 -22 148 14 47 -43 10 18 147 38 19 -42 23 49 148 30 32 -43 30 18 147 23 38 -42 5 3 1.22
147 48 46 -43 21 19 12 6 8.7 19 344 -22 148 7 36 -43 45 27 147 30 24 -42 57 44 148 23 42 -44 6 1 147 15 27 -42 38 29 1.23
147 41 28 -43 56 49 12 6 13.4 19 344 -21 148 0 44 -44 21 40 147 22 44 -43 32 36 148 17 13 -44 42 52 147 7 29 -43 12 50 1.23
147 34 30 -44 33 26 12 6 18.1 18 344 -21 147 54 14 -44 59 3 147 15 20 -44 8 29 148 11 8 -45 20 57 146 59 45 -43 48 11 1.23
147 27 53 -45 11 16 12 6 22.8 17 344 -20 147 48 8 -45 37 44 147 8 14 -44 45 31 148 5 31 -46 0 25 146 52 19 -44 24 36 1.23
147 21 40 -45 50 26 12 6 27.6 17 345 -19 147 42 30 -46 17 53 147 1 31 -45 23 48 148 0 26 -46 41 25 146 45 11 -45 2 12 1.23
Uncertainty in time = +/- 6 secs
Prediction of 2022 Oct 2.0
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