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Updated: 2021 APR 16, 06:07 UT
Event Rank : 64
(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 2021 May 21 UT, the 24.662038604452 km diameter asteroid (3044) Saltykov will occult a 11.3 mag star in the constellation Scutum for observers along a narrow path across Western Australia from east of Esperance to Karratha.
In the case of an occultation, the combined light of the asteroid and the star will drop by 4.58 mag to 15.86 mag (the magnitude of the asteroid) for at most 3.4 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 UCAC4 373-134783 by 3044 Saltykov on 2021 May 21
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
126 44 18 -38 55 55 15 43 37.8 50 64 -71 126 33 45 -38 58 45 126 54 48 -38 53 4 126 13 51 -39 4 5 127 14 28 -38 47 42 0.82
126 36 44 -38 36 55 15 43 42.8 50 65 -71 126 26 14 -38 39 45 126 47 12 -38 34 5 126 6 25 -38 45 3 127 6 46 -38 28 43 0.82
126 29 7 -38 17 57 15 43 47.7 50 65 -72 126 18 40 -38 20 46 126 39 32 -38 15 7 125 58 56 -38 26 3 126 59 1 -38 9 47 0.82
126 21 27 -37 59 1 15 43 52.7 50 66 -72 126 11 2 -38 1 49 126 31 49 -37 56 12 125 51 23 -38 7 5 126 51 13 -37 50 53 0.82
126 13 44 -37 40 7 15 43 57.7 50 66 -72 126 3 22 -37 42 54 126 24 3 -37 37 18 125 43 48 -37 48 9 126 43 23 -37 32 0 0.82
126 5 57 -37 21 14 15 44 2.7 50 67 -73 125 55 38 -37 24 1 126 16 14 -37 18 26 125 36 9 -37 29 15 126 35 29 -37 13 10 0.82
125 58 8 -37 2 24 15 44 7.7 51 67 -73 125 47 51 -37 5 10 126 8 23 -36 59 36 125 28 26 -37 10 22 126 27 33 -36 54 21 0.82
125 50 16 -36 43 35 15 44 12.6 51 68 -73 125 40 1 -36 46 21 126 0 28 -36 40 48 125 20 41 -36 51 32 126 19 34 -36 35 34 0.82
125 42 20 -36 24 47 15 44 17.6 51 68 -74 125 32 8 -36 27 33 125 52 30 -36 22 2 125 12 53 -36 32 43 126 11 31 -36 16 48 0.82
125 34 22 -36 6 2 15 44 22.6 51 68 -74 125 24 12 -36 8 47 125 44 29 -36 3 17 125 5 1 -36 13 55 126 3 26 -35 58 5 0.82
125 26 20 -35 47 18 15 44 27.6 51 69 -74 125 16 13 -35 50 2 125 36 26 -35 44 33 124 57 6 -35 55 10 125 55 18 -35 39 22 0.82
125 18 16 -35 28 35 15 44 32.6 51 69 -75 125 8 10 -35 31 19 125 28 19 -35 25 51 124 49 8 -35 36 25 125 47 8 -35 20 42 0.82
125 10 8 -35 9 54 15 44 37.5 51 70 -75 125 0 5 -35 12 38 125 20 9 -35 7 11 124 41 6 -35 17 43 125 38 54 -35 2 2 0.82
125 1 57 -34 51 15 15 44 42.5 51 70 -75 124 51 56 -34 53 57 125 11 56 -34 48 32 124 33 2 -34 59 2 125 30 37 -34 43 24 0.82
124 53 44 -34 32 37 15 44 47.5 51 71 -76 124 43 45 -34 35 19 125 3 41 -34 29 54 124 24 54 -34 40 22 125 22 18 -34 24 48 0.82
124 45 27 -34 14 0 15 44 52.5 51 71 -76 124 35 30 -34 16 41 124 55 22 -34 11 18 124 16 43 -34 21 43 125 13 55 -34 6 13 0.82
124 37 7 -33 55 24 15 44 57.5 51 72 -76 124 27 12 -33 58 5 124 47 0 -33 52 43 124 8 29 -34 3 6 125 5 30 -33 47 39 0.82
124 28 44 -33 36 50 15 45 2.5 51 72 -77 124 18 51 -33 39 30 124 38 35 -33 34 10 124 0 12 -33 44 30 124 57 1 -33 29 6 0.82
124 20 18 -33 18 17 15 45 7.4 51 73 -77 124 10 27 -33 20 57 124 30 7 -33 15 37 123 51 51 -33 25 56 124 48 30 -33 10 35 0.82
124 11 49 -32 59 45 15 45 12.4 51 73 -77 124 2 0 -33 2 24 124 21 36 -32 57 6 123 43 27 -33 7 22 124 39 55 -32 52 5 0.82
124 3 17 -32 41 15 15 45 17.4 51 74 -78 123 53 29 -32 43 53 124 13 2 -32 38 36 123 35 0 -32 48 50 124 31 18 -32 33 36 0.81
123 54 41 -32 22 45 15 45 22.4 51 74 -78 123 44 56 -32 25 23 124 4 25 -32 20 6 123 26 30 -32 30 19 124 22 38 -32 15 7 0.81
123 46 3 -32 4 16 15 45 27.4 51 74 -78 123 36 19 -32 6 54 123 55 45 -32 1 38 123 17 56 -32 11 48 124 13 54 -31 56 40 0.81
123 37 21 -31 45 49 15 45 32.3 51 75 -78 123 27 39 -31 48 25 123 47 1 -31 43 11 123 9 20 -31 53 19 124 5 8 -31 38 14 0.81
123 28 36 -31 27 22 15 45 37.3 51 75 -79 123 18 56 -31 29 58 123 38 15 -31 24 45 123 0 39 -31 34 51 123 56 18 -31 19 49 0.81
123 19 48 -31 8 56 15 45 42.3 51 76 -79 123 10 9 -31 11 32 123 29 25 -31 6 20 122 51 56 -31 16 23 123 47 26 -31 1 25 0.81
123 10 57 -30 50 31 15 45 47.3 51 76 -79 123 1 19 -30 53 6 123 20 32 -30 47 55 122 43 9 -30 57 57 123 38 30 -30 43 1 0.81
123 2 2 -30 32 7 15 45 52.3 51 77 -80 122 52 26 -30 34 42 123 11 36 -30 29 32 122 34 19 -30 39 31 123 29 31 -30 24 39 0.81
122 53 4 -30 13 44 15 45 57.2 51 77 -80 122 43 30 -30 16 18 123 2 37 -30 11 9 122 25 25 -30 21 6 123 20 29 -30 6 17 0.81
122 44 3 -29 55 21 15 46 2.2 50 78 -80 122 34 30 -29 57 55 122 53 35 -29 52 47 122 16 28 -30 2 42 123 11 24 -29 47 56 0.81
122 34 59 -29 36 59 15 46 7.2 50 78 -81 122 25 27 -29 39 32 122 44 29 -29 34 25 122 7 28 -29 44 19 123 2 16 -29 29 35 0.81
122 25 51 -29 18 38 15 46 12.2 50 79 -81 122 16 21 -29 21 10 122 35 20 -29 16 4 121 58 24 -29 25 56 122 53 4 -29 11 15 0.81
122 16 40 -29 0 17 15 46 17.2 50 79 -81 122 7 11 -29 2 49 122 26 7 -28 57 44 121 49 17 -29 7 33 122 43 49 -28 52 56 0.81
122 7 25 -28 41 57 15 46 22.1 50 80 -81 121 57 58 -28 44 28 122 16 51 -28 39 25 121 40 6 -28 49 12 122 34 31 -28 34 38 0.81
121 58 7 -28 23 37 15 46 27.1 50 80 -82 121 48 41 -28 26 8 122 7 32 -28 21 5 121 30 52 -28 30 51 122 25 9 -28 16 19 0.81
121 48 46 -28 5 18 15 46 32.1 50 80 -82 121 39 21 -28 7 48 121 58 9 -28 2 47 121 21 34 -28 12 30 122 15 44 -27 58 2 0.81
121 39 21 -27 46 59 15 46 37.1 50 81 -82 121 29 57 -27 49 29 121 48 43 -27 44 28 121 12 12 -27 54 10 122 6 16 -27 39 44 0.81
121 29 52 -27 28 40 15 46 42.1 50 81 -83 121 20 29 -27 31 10 121 39 14 -27 26 10 121 2 47 -27 35 50 121 56 44 -27 21 27 0.81
121 20 20 -27 10 22 15 46 47.1 50 82 -83 121 10 58 -27 12 51 121 29 41 -27 7 53 120 53 18 -27 17 30 121 47 9 -27 3 11 0.81
121 10 45 -26 52 5 15 46 52.0 50 82 -83 121 1 24 -26 54 33 121 20 4 -26 49 36 120 43 45 -26 59 11 121 37 30 -26 44 54 0.81
121 1 5 -26 33 47 15 46 57.0 50 83 -83 120 51 45 -26 36 15 121 10 23 -26 31 19 120 34 9 -26 40 52 121 27 48 -26 26 38 0.80
120 51 22 -26 15 30 15 47 2.0 50 83 -84 120 42 3 -26 17 57 121 0 39 -26 13 2 120 24 29 -26 22 33 121 18 2 -26 8 23 0.80
120 41 35 -25 57 13 15 47 7.0 50 84 -84 120 32 18 -25 59 40 120 50 52 -25 54 45 120 14 45 -26 4 15 121 8 13 -25 50 7 0.80
120 31 45 -25 38 56 15 47 12.0 50 84 -84 120 22 28 -25 41 22 120 41 0 -25 36 29 120 4 57 -25 45 56 120 58 20 -25 31 51 0.80
120 21 51 -25 20 39 15 47 16.9 49 84 -84 120 12 34 -25 23 5 120 31 5 -25 18 12 119 55 5 -25 27 38 120 48 23 -25 13 36 0.80
120 11 52 -25 2 22 15 47 21.9 49 85 -85 120 2 37 -25 4 47 120 21 6 -24 59 56 119 45 9 -25 9 19 120 38 22 -24 55 20 0.80
120 1 50 -24 44 5 15 47 26.9 49 85 -85 119 52 36 -24 46 30 120 11 3 -24 41 40 119 35 9 -24 51 1 120 28 18 -24 37 5 0.80
119 51 44 -24 25 48 15 47 31.9 49 86 -85 119 42 30 -24 28 12 120 0 56 -24 23 23 119 25 5 -24 32 43 120 18 9 -24 18 49 0.80
119 41 34 -24 7 31 15 47 36.9 49 86 -85 119 32 21 -24 9 55 119 50 45 -24 5 7 119 14 57 -24 14 24 120 7 57 -24 0 34 0.80
119 31 20 -23 49 14 15 47 41.8 49 86 -85 119 22 7 -23 51 37 119 40 30 -23 46 50 119 4 45 -23 56 5 119 57 41 -23 42 18 0.80
119 21 1 -23 30 56 15 47 46.8 49 87 -86 119 11 50 -23 33 19 119 30 11 -23 28 33 118 54 29 -23 37 47 119 47 20 -23 24 2 0.80
119 10 39 -23 12 39 15 47 51.8 49 87 -86 119 1 28 -23 15 1 119 19 48 -23 10 16 118 44 8 -23 19 28 119 36 56 -23 5 46 0.80
119 0 12 -22 54 21 15 47 56.8 49 88 -86 118 51 2 -22 56 43 119 9 20 -22 51 59 118 33 43 -23 1 8 119 26 27 -22 47 30 0.80
118 49 41 -22 36 3 15 48 1.8 48 88 -86 118 40 31 -22 38 24 118 58 49 -22 33 41 118 23 14 -22 42 49 119 15 55 -22 29 13 0.80
118 39 5 -22 17 44 15 48 6.8 48 89 -86 118 29 56 -22 20 5 118 48 13 -22 15 23 118 12 40 -22 24 29 119 5 18 -22 10 56 0.80
118 28 25 -21 59 26 15 48 11.7 48 89 -86 118 19 17 -22 1 46 118 37 32 -21 57 5 118 2 1 -22 6 8 118 54 36 -21 52 39 0.80
118 17 41 -21 41 6 15 48 16.7 48 89 -86 118 8 33 -21 43 26 118 26 47 -21 38 46 117 51 18 -21 47 48 118 43 50 -21 34 21 0.80
118 6 52 -21 22 46 15 48 21.7 48 90 -86 117 57 44 -21 25 6 118 15 58 -21 20 27 117 40 30 -21 29 26 118 33 0 -21 16 2 0.80
117 55 58 -21 4 26 15 48 26.7 48 90 -86 117 46 51 -21 6 45 118 5 4 -21 2 7 117 29 38 -21 11 4 118 22 5 -20 57 44 0.80
117 45 0 -20 46 5 15 48 31.7 48 91 -86 117 35 53 -20 48 23 117 54 5 -20 43 46 117 18 41 -20 52 42 118 11 6 -20 39 24 0.80
117 33 57 -20 27 43 15 48 36.6 47 91 -86 117 24 50 -20 30 1 117 43 2 -20 25 25 117 7 38 -20 34 19 118 0 2 -20 21 4 0.80
117 22 49 -20 9 21 15 48 41.6 47 91 -85 117 13 43 -20 11 38 117 31 54 -20 7 3 116 56 31 -20 15 55 117 48 53 -20 2 43 0.79
117 11 36 -19 50 58 15 48 46.6 47 92 -85 117 2 30 -19 53 15 117 20 40 -19 48 41 116 45 19 -19 57 31 117 37 39 -19 44 22 0.79
117 0 18 -19 32 34 15 48 51.6 47 92 -85 116 51 12 -19 34 51 117 9 22 -19 30 18 116 34 2 -19 39 5 117 26 21 -19 25 59 0.79
116 48 55 -19 14 10 15 48 56.6 47 92 -85 116 39 49 -19 16 25 116 57 59 -19 11 54 116 22 39 -19 20 39 117 14 57 -19 7 36 0.79
116 37 27 -18 55 44 15 49 1.5 47 93 -85 116 28 21 -18 57 59 116 46 31 -18 53 29 116 11 11 -19 2 12 117 3 29 -18 49 12 0.79
116 25 53 -18 37 18 15 49 6.5 46 93 -84 116 16 48 -18 39 32 116 34 57 -18 35 3 115 59 38 -18 43 44 116 51 55 -18 30 47 0.79
116 14 14 -18 18 50 15 49 11.5 46 94 -84 116 5 9 -18 21 4 116 23 18 -18 16 36 115 47 59 -18 25 15 116 40 15 -18 12 21 0.79
116 2 30 -18 0 22 15 49 16.5 46 94 -84 115 53 24 -18 2 35 116 11 33 -17 58 8 115 36 15 -18 6 45 116 28 31 -17 53 54 0.79
115 50 40 -17 41 52 15 49 21.5 46 94 -84 115 41 34 -17 44 5 115 59 43 -17 39 39 115 24 25 -17 48 14 116 16 41 -17 35 26 0.79
115 38 44 -17 23 21 15 49 26.5 46 95 -83 115 29 38 -17 25 34 115 47 48 -17 21 8 115 12 29 -17 29 41 116 4 45 -17 16 57 0.79
115 26 42 -17 4 49 15 49 31.4 45 95 -83 115 17 37 -17 7 1 115 35 46 -17 2 37 115 0 27 -17 11 8 115 52 44 -16 58 27 0.79
115 14 35 -16 46 16 15 49 36.4 45 95 -83 115 5 29 -16 48 28 115 23 39 -16 44 4 114 48 19 -16 52 33 115 40 37 -16 39 55 0.79
115 2 21 -16 27 42 15 49 41.4 45 96 -82 114 53 15 -16 29 52 115 11 25 -16 25 30 114 36 5 -16 33 57 115 28 24 -16 21 22 0.79
114 50 2 -16 9 6 15 49 46.4 45 96 -82 114 40 56 -16 11 16 114 59 6 -16 6 55 114 23 45 -16 15 19 115 16 5 -16 2 48 0.79
114 37 36 -15 50 28 15 49 51.4 45 96 -82 114 28 30 -15 52 38 114 46 40 -15 48 18 114 11 18 -15 56 40 115 3 40 -15 44 12 0.79
114 25 4 -15 31 49 15 49 56.3 44 97 -81 114 15 57 -15 33 59 114 34 8 -15 29 40 113 58 45 -15 38 0 114 51 8 -15 25 35 0.79
114 12 25 -15 13 9 15 50 1.3 44 97 -81 114 3 18 -15 15 18 114 21 30 -15 11 0 113 46 5 -15 19 18 114 38 30 -15 6 56 0.79
113 59 39 -14 54 27 15 50 6.3 44 97 -81 113 50 32 -14 56 35 114 8 45 -14 52 18 113 33 18 -15 0 34 114 25 46 -14 48 16 0.79
113 46 47 -14 35 43 15 50 11.3 44 98 -80 113 37 39 -14 37 51 113 55 53 -14 33 35 113 20 25 -14 41 48 114 12 55 -14 29 33 0.79
113 33 48 -14 16 58 15 50 16.3 43 98 -80 113 24 40 -14 19 4 113 42 54 -14 14 50 113 7 24 -14 23 1 113 59 57 -14 10 50 0.79
113 20 42 -13 58 10 15 50 21.2 43 98 -80 113 11 33 -14 0 16 113 29 49 -13 56 4 112 54 16 -14 4 12 113 46 52 -13 52 4 0.79
113 7 28 -13 39 21 15 50 26.2 43 99 -79 112 58 19 -13 41 27 113 16 36 -13 37 15 112 41 1 -13 45 21 113 33 41 -13 33 16 0.79
112 54 7 -13 20 30 15 50 31.2 43 99 -79 112 44 57 -13 22 35 113 3 15 -13 18 24 112 27 38 -13 26 28 113 20 21 -13 14 27 0.79
112 40 39 -13 1 37 15 50 36.2 43 99 -79 112 31 28 -13 3 41 112 49 48 -12 59 32 112 14 8 -13 7 33 113 6 55 -12 55 36 0.79
112 27 2 -12 42 41 15 50 41.2 42 99 -78 112 17 51 -12 44 45 112 36 12 -12 40 37 112 0 29 -12 48 36 112 53 21 -12 36 42 0.79
112 13 18 -12 23 44 15 50 46.1 42 100 -78 112 4 6 -12 25 47 112 22 29 -12 21 40 111 46 43 -12 29 36 112 39 39 -12 17 46 0.78
111 59 26 -12 4 44 15 50 51.1 42 100 -78 111 50 13 -12 6 46 112 8 37 -12 2 41 111 32 48 -12 10 34 112 25 49 -11 58 48 0.78
111 45 25 -11 45 42 15 50 56.1 42 100 -77 111 36 11 -11 47 43 111 54 38 -11 43 39 111 18 45 -11 51 30 112 11 51 -11 39 48 0.78
111 31 16 -11 26 37 15 51 1.1 41 101 -77 111 22 1 -11 28 38 111 40 29 -11 24 35 111 4 33 -11 32 24 111 57 44 -11 20 45 0.78
111 16 58 -11 7 30 15 51 6.1 41 101 -77 111 7 42 -11 9 30 111 26 13 -11 5 29 110 50 12 -11 13 14 111 43 29 -11 1 40 0.78
111 2 31 -10 48 20 15 51 11.1 41 101 -76 110 53 14 -10 50 20 111 11 47 -10 46 20 110 35 42 -10 54 3 111 29 6 -10 42 32 0.78
110 47 56 -10 29 8 15 51 16.0 40 101 -76 110 38 37 -10 31 6 110 57 12 -10 27 8 110 21 2 -10 34 48 111 14 33 -10 23 22 0.78
110 33 10 -10 9 52 15 51 21.0 40 102 -75 110 23 50 -10 11 50 110 42 28 -10 7 54 110 6 13 -10 15 31 110 59 51 -10 4 9 0.78
110 18 15 - 9 50 34 15 51 26.0 40 102 -75 110 8 54 - 9 52 31 110 27 34 - 9 48 36 109 51 14 - 9 56 10 110 45 0 - 9 44 53 0.78
110 3 10 - 9 31 13 15 51 31.0 40 102 -75 109 53 48 - 9 33 10 110 12 31 - 9 29 16 109 36 5 - 9 36 47 110 29 59 - 9 25 34 0.78
Uncertainty in time = +/- 3 secs
Prediction of 2021 Apr 16.0
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