IOTA/IOTA-ES occultation update for (1596) Itzigsohn / UCAC4 361-063704 event on 2024 Dec 21, 10:53 UT Visible from Summary ------- On 2024 Dec 21 UT, the 47.363 km diameter asteroid (1596) Itzigsohn will occult a 11.2 mag star in the constellation Corvus for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 5.48 mag to 16.71 mag (the magnitude of the asteroid) for at most 1.940 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. The event at a glimpse ---------------------- * Rank: 99 * date and approx. time of event: 2024 Dec 21, 10:48 - 2024 Dec 21, 10:57 * geocentric midpoint of event [JD]: 2460665.95360804 * magnitude of target star: 11.24 * magnitude drop [mag]: 5.48 * estimated maximum duration [s]: 1.940 * Moon: 65 % sunlit, 37° distance * Sun: 72° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 47 * 1 sigma uncertainty interval [path widths]: +/- 0.13 * 1 sigma uncertainty interval [seconds]: +/- 0.8 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.008, +/- 0.002) * 1 sigma uncertainty ellipse (major, minor, PA): (0.008", 0.001", 105°) * approx speed of asteroid's shadow [km/s]: 24.3510 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of UCAC4 361-063704 by 1596 Itzigsohn on 2024 Dec 21 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 -141 0 0 26 38 39 10 48 50.7 0 110 -70 26 24 56 26 52 22 26 21 17 26 56 1 .... -140 0 0 26 18 19 10 48 50.7 1 111 -69 26 4 33 26 32 4 26 0 53 26 35 44 0.14 -139 0 0 25 57 22 10 48 50.8 2 111 -68 25 43 33 26 11 10 25 39 52 26 14 51 0.11 -138 0 0 25 35 48 10 48 51.0 3 112 -67 25 21 56 25 49 39 25 18 14 25 53 20 0.10 -137 0 0 25 13 36 10 48 51.3 4 112 -67 24 59 41 25 27 31 24 55 59 25 31 13 0.09 -136 0 0 24 50 47 10 48 51.6 5 113 -66 24 36 49 25 4 45 24 33 6 25 8 28 0.09 -135 0 0 24 27 21 10 48 52.1 6 113 -65 24 13 20 24 41 21 24 9 36 24 45 5 0.09 -134 0 0 24 3 16 10 48 52.6 7 113 -64 23 49 12 24 17 20 23 45 28 24 21 5 0.09 -133 0 0 23 38 34 10 48 53.2 8 114 -63 23 24 27 23 52 41 23 20 41 23 56 27 0.09 -132 0 0 23 13 14 10 48 53.9 9 114 -62 22 59 4 23 27 24 22 55 17 23 31 11 0.08 -131 0 0 22 47 16 10 48 54.6 10 115 -61 22 33 2 23 1 29 22 29 14 23 5 17 0.08 -130 0 0 22 20 39 10 48 55.5 11 115 -60 22 6 22 22 34 56 22 2 34 22 38 44 0.08 -129 0 0 21 53 24 10 48 56.5 12 115 -59 21 39 4 22 7 45 21 35 15 22 11 34 0.08 -128 0 0 21 25 31 10 48 57.5 13 116 -58 21 11 7 21 39 55 21 7 17 21 43 45 0.08 -127 0 0 20 57 0 10 48 58.6 14 116 -57 20 42 32 21 11 27 20 38 41 21 15 18 0.08 -126 0 0 20 27 50 10 48 59.9 15 116 -56 20 13 19 20 42 21 20 9 27 20 46 13 0.08 -125 0 0 19 58 2 10 49 1.2 16 117 -55 19 43 28 20 12 36 19 39 35 20 16 29 0.08 -124 0 0 19 27 36 10 49 2.6 17 117 -54 19 12 58 19 42 14 19 9 5 19 46 8 0.08 -123 0 0 18 56 32 10 49 4.1 18 117 -53 18 41 51 19 11 13 18 37 56 19 15 8 0.08 -122 0 0 18 24 51 10 49 5.7 20 118 -52 18 10 6 18 39 35 18 6 10 18 43 31 0.08 -121 0 0 17 52 31 10 49 7.5 21 118 -51 17 37 43 18 7 19 17 33 46 18 11 16 0.08 -120 0 0 17 19 34 10 49 9.3 22 118 -50 17 4 42 17 34 26 17 0 45 17 38 24 0.08 -119 0 0 16 46 1 10 49 11.2 23 119 -49 16 31 5 17 0 56 16 27 6 17 4 54 0.08 -118 0 0 16 11 50 10 49 13.3 24 119 -47 15 56 51 16 26 49 15 52 52 16 30 48 0.08 -117 0 0 15 37 3 10 49 15.4 25 119 -46 15 22 1 15 52 5 15 18 0 15 56 6 0.08 -116 0 0 15 1 40 10 49 17.7 26 119 -45 14 46 34 15 16 46 14 42 33 15 20 47 0.08 -115 0 0 14 25 42 10 49 20.0 27 120 -44 14 10 33 14 40 51 14 6 31 14 44 53 0.08 -114 0 0 13 49 9 10 49 22.5 29 120 -43 13 33 57 14 4 22 13 29 53 14 8 25 0.08 -113 0 0 13 12 2 10 49 25.1 30 120 -42 12 56 46 13 27 18 12 52 42 13 31 22 0.08 -112 0 0 12 34 21 10 49 27.8 31 120 -41 12 19 2 12 49 40 12 14 57 12 53 45 0.08 -111 0 0 11 56 8 10 49 30.6 32 120 -40 11 40 45 12 11 30 11 36 39 12 15 36 0.08 -110 0 0 11 17 22 10 49 33.5 33 121 -38 11 1 56 11 32 48 10 57 50 11 36 54 0.08 -109 0 0 10 38 5 10 49 36.5 34 121 -37 10 22 37 10 53 34 10 18 29 10 57 41 0.08 -108 0 0 9 58 19 10 49 39.7 36 121 -36 9 42 47 10 13 50 9 38 38 10 17 58 0.08 -107 0 0 9 18 2 10 49 42.9 37 121 -35 9 2 28 9 33 37 8 58 18 9 37 46 0.08 -106 0 0 8 37 18 10 49 46.3 38 121 -34 8 21 40 8 52 55 8 17 30 8 57 5 0.08 -105 0 0 7 56 6 10 49 49.8 39 121 -33 7 40 26 8 11 46 7 36 15 8 15 57 0.08 -104 0 0 7 14 29 10 49 53.3 40 121 -31 6 58 46 7 30 12 6 54 35 7 34 23 0.08 -103 0 0 6 32 27 10 49 57.0 42 121 -30 6 16 41 6 48 12 6 12 29 6 52 24 0.08 -102 0 0 5 50 1 10 50 0.8 43 121 -29 5 34 13 6 5 49 5 30 1 6 10 1 0.08 -101 0 0 5 7 14 10 50 4.7 44 121 -28 4 51 24 5 23 4 4 47 11 5 27 17 0.08 -100 0 0 4 24 6 10 50 8.7 45 121 -26 4 8 14 4 39 58 4 4 0 4 44 11 0.08 - 99 0 0 3 40 39 10 50 12.8 47 121 -25 3 24 44 3 56 33 3 20 30 4 0 47 0.08 - 98 0 0 2 56 54 10 50 17.0 48 121 -24 2 40 58 3 12 50 2 36 43 3 17 4 0.08 - 97 0 0 2 12 53 10 50 21.3 49 121 -23 1 56 55 2 28 51 1 52 40 2 33 6 0.08 - 96 0 0 1 28 38 10 50 25.7 50 121 -22 1 12 39 1 44 37 1 8 23 1 48 53 0.08 - 95 0 0 0 44 11 10 50 30.2 52 121 -20 0 28 10 1 0 11 0 23 54 1 4 27 0.08 - 94 0 0 - 0 0 28 10 50 34.7 53 121 -19 - 0 16 30 0 15 34 - 0 20 47 0 19 50 0.08 - 93 0 0 - 0 45 16 10 50 39.4 54 121 -18 - 1 1 19 - 0 29 13 - 1 5 36 - 0 24 57 0.08 - 92 0 0 - 1 30 12 10 50 44.1 55 121 -17 - 1 46 16 - 1 14 8 - 1 50 33 - 1 9 51 0.08 - 91 0 0 - 2 15 13 10 50 48.9 57 120 -15 - 2 31 18 - 1 59 8 - 2 35 35 - 1 54 51 0.07 - 90 0 0 - 3 0 18 10 50 53.8 58 120 -14 - 3 16 23 - 2 44 12 - 3 20 40 - 2 39 55 0.07 - 89 0 0 - 3 45 24 10 50 58.7 59 120 -13 - 4 1 30 - 3 29 19 - 4 5 48 - 3 25 2 0.07 - 88 0 0 - 4 30 32 10 51 3.7 60 119 -12 - 4 46 38 - 4 14 26 - 4 50 55 - 4 10 9 0.07 - 87 0 0 - 5 15 37 10 51 8.8 62 119 -10 - 5 31 43 - 4 59 31 - 5 36 0 - 4 55 14 0.07 - 86 0 0 - 6 0 39 10 51 13.9 63 119 -9 - 6 16 45 - 5 44 33 - 6 21 2 - 5 40 16 0.07 - 85 0 0 - 6 45 35 10 51 19.0 64 118 -8 - 7 1 41 - 6 29 30 - 7 5 58 - 6 25 13 0.07 - 84 0 0 - 7 30 25 10 51 24.2 65 118 -7 - 7 46 30 - 7 14 20 - 7 50 47 - 7 10 3 0.07 - 83 0 0 - 8 15 5 10 51 29.5 67 117 -6 - 8 31 10 - 7 59 1 - 8 35 27 - 7 54 44 0.07 - 82 0 0 - 8 59 35 10 51 34.8 68 117 -4 - 9 15 38 - 8 43 32 - 9 19 55 - 8 39 15 0.07 - 81 0 0 - 9 43 52 10 51 40.1 69 116 -3 - 9 59 55 - 9 27 50 -10 4 11 - 9 23 34 0.07 - 80 0 0 -10 27 55 10 51 45.4 70 115 -2 -10 43 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36 46 0.07 - 7 0 0 -39 57 10 10 56 37.9 38 278 65 -40 10 2 -39 44 18 -40 13 28 -39 40 52 0.07 - 6 0 0 -40 0 46 10 56 40.1 37 277 65 -40 13 37 -39 47 54 -40 17 3 -39 44 29 0.07 - 5 0 0 -40 3 52 10 56 42.2 36 276 66 -40 16 43 -39 51 1 -40 20 9 -39 47 36 0.07 - 4 0 0 -40 6 29 10 56 44.3 35 276 67 -40 19 20 -39 53 39 -40 22 45 -39 50 14 0.07 - 3 0 0 -40 8 37 10 56 46.3 35 275 67 -40 21 28 -39 55 47 -40 24 53 -39 52 22 0.07 - 2 0 0 -40 10 16 10 56 48.3 34 274 68 -40 23 7 -39 57 27 -40 26 32 -39 54 1 0.07 - 1 0 0 -40 11 26 10 56 50.2 33 274 68 -40 24 16 -39 58 37 -40 27 41 -39 55 12 0.07 0 0 0 -40 12 7 10 56 52.1 32 273 69 -40 24 57 -39 59 18 -40 28 22 -39 55 53 0.07 1 0 0 -40 12 19 10 56 54.0 32 272 69 -40 25 9 -39 59 30 -40 28 34 -39 56 5 0.07 2 0 0 -40 12 2 10 56 55.8 31 272 70 -40 24 52 -39 59 13 -40 28 17 -39 55 48 0.07 3 0 0 -40 11 17 10 56 57.6 30 271 70 -40 24 7 -39 58 27 -40 27 32 -39 55 2 0.07 4 0 0 -40 10 2 10 56 59.4 29 270 71 -40 22 52 -39 57 12 -40 26 17 -39 53 47 0.07 5 0 0 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22 36 -38 56 34 -39 26 4 -38 53 6 0.07 18 0 0 -39 1 29 10 57 19.5 18 261 74 -39 14 31 -38 48 27 -39 17 59 -38 44 58 0.07 19 0 0 -38 52 52 10 57 20.7 17 261 74 -39 5 56 -38 39 49 -39 9 25 -38 36 20 0.07 20 0 0 -38 43 46 10 57 21.7 17 260 74 -38 56 51 -38 30 41 -39 0 20 -38 27 12 0.08 21 0 0 -38 34 8 10 57 22.8 16 259 74 -38 47 15 -38 21 2 -38 50 45 -38 17 32 0.08 22 0 0 -38 24 1 10 57 23.8 15 259 74 -38 37 9 -38 10 52 -38 40 39 -38 7 22 0.08 23 0 0 -38 13 22 10 57 24.7 14 258 74 -38 26 32 -38 0 11 -38 30 3 -37 56 41 0.08 24 0 0 -38 2 12 10 57 25.6 13 257 73 -38 15 24 -37 49 0 -38 18 55 -37 45 29 0.08 25 0 0 -37 50 31 10 57 26.4 13 257 73 -38 3 45 -37 37 17 -38 7 16 -37 33 45 0.08 26 0 0 -37 38 18 10 57 27.2 12 256 73 -37 51 34 -37 25 2 -37 55 6 -37 21 30 0.08 27 0 0 -37 25 34 10 57 28.0 11 256 73 -37 38 52 -37 12 16 -37 42 25 -37 8 43 0.08 28 0 0 -37 12 17 10 57 28.7 10 255 72 -37 25 38 -36 58 57 -37 29 11 -36 55 24 0.08 29 0 0 -36 58 29 10 57 29.3 9 254 72 -37 11 52 -36 45 7 -37 15 26 -36 41 33 0.08 30 0 0 -36 44 9 10 57 29.9 9 254 72 -36 57 34 -36 30 44 -37 1 8 -36 27 10 0.09 31 0 0 -36 29 16 10 57 30.5 8 253 71 -36 42 43 -36 15 48 -36 46 18 -36 12 13 0.09 32 0 0 -36 13 50 10 57 31.0 7 253 71 -36 27 20 -36 0 20 -36 30 55 -35 56 45 0.09 33 0 0 -35 57 51 10 57 31.4 6 252 70 -36 11 23 -35 44 19 -36 15 0 -35 40 43 0.09 34 0 0 -35 41 19 10 57 31.8 5 251 70 -35 54 54 -35 27 44 -35 58 31 -35 24 7 0.10 35 0 0 -35 24 14 10 57 32.1 4 251 69 -35 37 51 -35 10 37 -35 41 29 -35 6 59 0.10 36 0 0 -35 6 35 10 57 32.4 3 250 68 -35 20 15 -34 52 55 -35 23 53 -34 49 17 0.11 37 0 0 -34 48 22 10 57 32.6 3 250 68 -35 2 5 -34 34 39 -35 5 44 -34 31 0 0.13 38 0 0 -34 29 35 10 57 32.8 2 249 67 -34 43 21 -34 15 50 -34 47 1 -34 12 10 0.16 39 0 0 -34 10 14 10 57 32.9 1 249 67 -34 24 3 -33 56 26 -34 27 43 -33 52 45 0.27 Uncertainty in time = +/- 1 secs Prediction of 2023 Jul 15.7 Data for the target star ------------------------ * name: UCAC4 361-063704 * constellation : Corvus * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 12 47 15.6585 DE: -17 55 57.875 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 12 47 15.6586 DE: -17 55 57.876 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.400,0.200) * V mag [mag]: 11.2 * B mag [mag]: 11.5 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (1596) Itzigsohn asteroid class: approx. diameter [km]: 47 approx. diameter ["]: 0.020 distance from Earth [AU]: 3.25990 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#57 date of fit: 2023 Apr 24 source of used astrometry: MPC, JPL number of used observations: 0 number of rejected observations: 0 time covered by the observations: 1800 Jan 01 - 1800 Jan 01 1 sigma uncertainty ellipse (major, minor, PA): 0.008", 0.001", 105.022° remarks: * orbital elements for (1596)Itzigsohn : Mean anomaly = 118.9853501302 deg Arg. of pericenter = 159.5997322322 deg Long. of node = 248.9533851265 deg Inclination = 13.2900521071 deg Eccentricity = 0.1291069673 Semimajor axis = 2.8896284002 AU Perihelion dist = 2.5165572409 AU Mag: H = 10.76, G = 0.15 Epoch of elements : MJD 60665.45360841 TDT (2024 Dec 21.4536) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#572023Apr24,1.94,2024,12,21,10.886593,-0.035577,-0.056662,11.670288,-7.260314,-0.005394,0.001908,0.000000,0.000001 -61.6609,-18.0674,16.27,-23.44,False UCAC4 361-063704,12.78768288,-17.9327429,11.49,11.24,11.11,0.0,0,,12.80949623,-18.0674440,5.47,5.16,0,0,0 1596,Itzigsohn,16.71,47.363,3.2599,0,0,2.208,-19.59,,2.4,0 0,118.8943,2024,12,21,159.5997,248.9534,13.2901,0.12911,2.88963,2.51656,10.76,5.0,0.15 1.133,0.0083,0.0012,105,0.0027,Known errors,1.56,0,-1,-1 20241221_063704,60140.75 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 17:58 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org