IOTA/IOTA-ES occultation update for (4187) Shulnazaria / TYC 1384-01136-1 event on 2024 Oct 14, 18:37 UT Visible from Summary ------- On 2024 Oct 14 UT, the 14.17 km diameter asteroid (4187) Shulnazaria will occult a 11.1 mag star in the constellation Cancer for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 7.71 mag to 18.83 mag (the magnitude of the asteroid) for at most 0.730 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: 92 * date and approx. time of event: 2024 Oct 14, 18:32 - 2024 Oct 14, 18:42 * geocentric midpoint of event [JD]: 2460598.27612688 * magnitude of target star: 11.12 * magnitude drop [mag]: 7.71 * estimated maximum duration [s]: 0.730 * Moon: 90 % sunlit, 134° distance * Sun: 83° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 16 * 1 sigma uncertainty interval [path widths]: +/- 0.48 * 1 sigma uncertainty interval [seconds]: +/- 1.7 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.015, +/- 0.004) * 1 sigma uncertainty ellipse (major, minor, PA): (0.015", 0.003", 101°) * approx speed of asteroid's shadow [km/s]: 19.5115 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 1384-01136-1 by 4187 Shulnazaria on 2024 Oct 14 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 94 0 0 -14 58 26 18 32 51.0 0 70 -62 -15 3 5 -14 53 47 -15 7 34 -14 49 18 .... 95 0 0 -14 37 31 18 32 51.1 1 70 -62 -14 42 9 -14 32 53 -14 46 38 -14 28 24 0.20 96 0 0 -14 16 55 18 32 51.3 2 70 -61 -14 21 33 -14 12 17 -14 26 1 -14 7 50 0.36 97 0 0 -13 56 39 18 32 51.6 3 69 -61 -14 1 16 -13 52 1 -14 5 44 -13 47 34 0.42 98 0 0 -13 36 42 18 32 52.0 4 69 -60 -13 41 19 -13 32 6 -13 45 46 -13 27 39 0.45 99 0 0 -13 17 6 18 32 52.6 5 69 -60 -13 21 43 -13 12 30 -13 26 9 -13 8 4 0.46 100 0 0 -12 57 51 18 32 53.3 6 69 -60 -13 2 27 -12 53 15 -13 6 53 -12 48 50 0.48 101 0 0 -12 38 57 18 32 54.1 7 68 -59 -12 43 33 -12 34 22 -12 47 58 -12 29 57 0.49 102 0 0 -12 20 25 18 32 55.0 8 68 -59 -12 25 0 -12 15 50 -12 29 25 -12 11 25 0.49 103 0 0 -12 2 15 18 32 56.0 9 68 -58 -12 6 49 -11 57 40 -12 11 14 -11 53 16 0.50 104 0 0 -11 44 27 18 32 57.2 10 68 -57 -11 49 1 -11 39 53 -11 53 25 -11 35 29 0.50 105 0 0 -11 27 2 18 32 58.5 11 67 -57 -11 31 35 -11 22 28 -11 35 59 -11 18 5 0.51 106 0 0 -11 10 0 18 32 59.8 13 67 -56 -11 14 33 -11 5 27 -11 18 56 -11 1 4 0.51 107 0 0 -10 53 21 18 33 1.3 14 67 -55 -10 57 54 -10 48 49 -11 2 17 -10 44 26 0.51 108 0 0 -10 37 7 18 33 3.0 15 67 -55 -10 41 39 -10 32 35 -10 46 1 -10 28 13 0.52 109 0 0 -10 21 16 18 33 4.7 16 67 -54 -10 25 48 -10 16 45 -10 30 10 -10 12 23 0.52 110 0 0 -10 5 50 18 33 6.5 17 66 -53 -10 10 21 -10 1 19 -10 14 43 - 9 56 58 0.52 111 0 0 - 9 50 49 18 33 8.5 18 66 -53 - 9 55 19 - 9 46 18 - 9 59 41 - 9 41 57 0.52 112 0 0 - 9 36 12 18 33 10.5 19 66 -52 - 9 40 42 - 9 31 42 - 9 45 3 - 9 27 22 0.52 113 0 0 - 9 22 1 18 33 12.7 20 66 -51 - 9 26 31 - 9 17 31 - 9 30 51 - 9 13 11 0.53 114 0 0 - 9 8 15 18 33 15.0 21 65 -50 - 9 12 45 - 9 3 46 - 9 17 5 - 8 59 26 0.53 115 0 0 - 8 54 55 18 33 17.4 22 65 -49 - 8 59 24 - 8 50 26 - 9 3 44 - 8 46 7 0.53 116 0 0 - 8 42 1 18 33 19.9 23 65 -49 - 8 46 30 - 8 37 33 - 8 50 49 - 8 33 14 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46 55 -25 - 5 53 4 - 5 44 18 - 5 57 18 - 5 40 4 0.54 142 0 0 - 5 47 56 18 34 57.7 47 54 -24 - 5 52 20 - 5 43 33 - 5 56 34 - 5 39 20 0.54 143 0 0 - 5 47 41 18 35 2.6 48 53 -23 - 5 52 4 - 5 43 18 - 5 56 18 - 5 39 4 0.55 144 0 0 - 5 47 55 18 35 7.5 48 52 -22 - 5 52 18 - 5 43 32 - 5 56 32 - 5 39 18 0.55 145 0 0 - 5 48 38 18 35 12.4 49 52 -21 - 5 53 1 - 5 44 15 - 5 57 16 - 5 40 1 0.55 146 0 0 - 5 49 51 18 35 17.5 50 51 -20 - 5 54 14 - 5 45 27 - 5 58 28 - 5 41 14 0.55 147 0 0 - 5 51 32 18 35 22.6 51 50 -19 - 5 55 56 - 5 47 9 - 6 0 10 - 5 42 55 0.55 148 0 0 - 5 53 43 18 35 27.7 51 49 -18 - 5 58 7 - 5 49 20 - 6 2 21 - 5 45 6 0.55 149 0 0 - 5 56 23 18 35 32.9 52 48 -17 - 6 0 47 - 5 52 0 - 6 5 2 - 5 47 46 0.55 150 0 0 - 5 59 33 18 35 38.2 53 47 -16 - 6 3 57 - 5 55 9 - 6 8 11 - 5 50 55 0.55 151 0 0 - 6 3 12 18 35 43.5 54 46 -15 - 6 7 36 - 5 58 48 - 6 11 50 - 5 54 34 0.55 152 0 0 - 6 7 20 18 35 48.8 54 44 -14 - 6 11 44 - 6 2 56 - 6 15 59 - 5 58 41 0.55 153 0 0 - 6 11 57 18 35 54.2 55 43 -13 - 6 16 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358 12 -10 45 59 -10 36 53 -10 50 23 -10 32 30 0.55 179 0 0 -10 58 5 18 38 24.6 60 356 13 -11 2 39 -10 53 32 -11 7 3 -10 49 8 0.55 180 0 0 -11 15 9 18 38 30.5 59 354 14 -11 19 43 -11 10 35 -11 24 8 -11 6 11 0.55 -179 0 0 -11 32 37 18 38 36.4 59 353 15 -11 37 12 -11 28 3 -11 41 37 -11 23 38 0.55 -178 0 0 -11 50 30 18 38 42.2 59 351 17 -11 55 5 -11 45 55 -11 59 31 -11 41 30 0.55 -177 0 0 -12 8 47 18 38 48.0 58 349 18 -12 13 22 -12 4 11 -12 17 49 -11 59 46 0.55 -176 0 0 -12 27 27 18 38 53.8 58 347 19 -12 32 3 -12 22 51 -12 36 30 -12 18 25 0.55 -175 0 0 -12 46 31 18 38 59.5 57 346 20 -12 51 7 -12 41 54 -12 55 35 -12 37 28 0.55 -174 0 0 -13 5 57 18 39 5.2 57 344 21 -13 10 34 -13 1 20 -13 15 2 -12 56 53 0.55 -173 0 0 -13 25 46 18 39 10.9 56 343 22 -13 30 24 -13 21 8 -13 34 52 -13 16 41 0.55 -172 0 0 -13 45 56 18 39 16.5 55 341 23 -13 50 35 -13 41 18 -13 55 4 -13 36 50 0.55 -171 0 0 -14 6 29 18 39 22.1 55 340 24 -14 11 8 -14 1 50 -14 15 37 -13 57 21 0.55 -170 0 0 -14 27 22 18 39 27.7 54 338 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36 -19 6 51 -18 57 20 -19 11 27 -18 52 45 0.55 -157 0 0 -19 26 42 18 40 34.6 44 324 37 -19 31 28 -19 21 56 -19 36 4 -19 17 20 0.55 -156 0 0 -19 51 31 18 40 39.2 43 324 38 -19 56 17 -19 46 44 -20 0 54 -19 42 8 0.54 -155 0 0 -20 16 32 18 40 43.8 42 323 39 -20 21 19 -20 11 45 -20 25 56 -20 7 8 0.54 -154 0 0 -20 41 44 18 40 48.3 41 322 40 -20 46 32 -20 36 57 -20 51 9 -20 32 20 0.54 -153 0 0 -21 7 7 18 40 52.6 40 321 41 -21 11 55 -21 2 19 -21 16 33 -20 57 42 0.54 -152 0 0 -21 32 40 18 40 56.9 39 320 42 -21 37 28 -21 27 52 -21 42 7 -21 23 14 0.54 -151 0 0 -21 58 22 18 41 1.1 38 320 43 -22 3 11 -21 53 33 -22 7 50 -21 48 55 0.54 -150 0 0 -22 24 12 18 41 5.2 37 319 44 -22 29 1 -22 19 23 -22 33 41 -22 14 45 0.54 -149 0 0 -22 50 10 18 41 9.2 36 318 44 -22 55 0 -22 45 21 -22 59 40 -22 40 42 0.54 -148 0 0 -23 16 15 18 41 13.1 35 318 45 -23 21 5 -23 11 26 -23 25 45 -23 6 46 0.54 -147 0 0 -23 42 26 18 41 17.0 34 317 46 -23 47 17 -23 37 36 -23 51 57 -23 32 57 0.54 -146 0 0 -24 8 43 18 41 20.7 33 316 47 -24 13 34 -24 3 53 -24 18 14 -23 59 13 0.54 -145 0 0 -24 35 4 18 41 24.3 32 316 48 -24 39 55 -24 30 14 -24 44 36 -24 25 33 0.54 -144 0 0 -25 1 29 18 41 27.8 31 315 48 -25 6 21 -24 56 38 -25 11 2 -24 51 58 0.54 -143 0 0 -25 27 58 18 41 31.2 30 314 49 -25 32 49 -25 23 6 -25 37 31 -25 18 25 0.54 -142 0 0 -25 54 28 18 41 34.5 29 314 50 -25 59 20 -25 49 37 -26 4 2 -25 44 55 0.54 -141 0 0 -26 21 0 18 41 37.6 28 313 51 -26 25 52 -26 16 8 -26 30 34 -26 11 27 0.54 -140 0 0 -26 47 33 18 41 40.7 28 313 51 -26 52 25 -26 42 41 -26 57 7 -26 38 0 0.54 -139 0 0 -27 14 6 18 41 43.7 27 312 52 -27 18 58 -27 9 14 -27 23 41 -27 4 32 0.54 -138 0 0 -27 40 38 18 41 46.5 26 311 53 -27 45 31 -27 35 46 -27 50 13 -27 31 4 0.54 -137 0 0 -28 7 9 18 41 49.3 25 311 53 -28 12 2 -28 2 16 -28 16 44 -27 57 35 0.54 -136 0 0 -28 33 38 18 41 51.9 24 310 54 -28 38 30 -28 28 45 -28 43 13 -28 24 3 0.54 -135 0 0 -29 0 3 18 41 54.5 23 310 54 -29 4 56 -28 55 10 -29 9 39 -28 50 28 0.54 -134 0 0 -29 26 25 18 41 56.9 22 309 55 -29 31 18 -29 21 32 -29 36 1 -29 16 50 0.54 -133 0 0 -29 52 43 18 41 59.2 21 308 56 -29 57 36 -29 47 50 -30 2 19 -29 43 8 0.54 -132 0 0 -30 18 55 18 42 1.4 20 308 56 -30 23 49 -30 14 2 -30 28 32 -30 9 20 0.54 -131 0 0 -30 45 2 18 42 3.5 19 307 56 -30 49 55 -30 40 9 -30 54 38 -30 35 27 0.54 -130 0 0 -31 11 3 18 42 5.4 18 307 57 -31 15 56 -31 6 10 -31 20 39 -31 1 27 0.54 -129 0 0 -31 36 56 18 42 7.3 17 306 57 -31 41 49 -31 32 3 -31 46 32 -31 27 21 0.54 -128 0 0 -32 2 41 18 42 9.1 16 306 58 -32 7 34 -31 57 48 -32 12 17 -31 53 6 0.55 -127 0 0 -32 28 18 18 42 10.7 15 305 58 -32 33 12 -32 23 26 -32 37 54 -32 18 43 0.55 -126 0 0 -32 53 47 18 42 12.3 14 304 58 -32 58 40 -32 48 54 -33 3 22 -32 44 12 0.55 -125 0 0 -33 19 5 18 42 13.7 13 304 59 -33 23 58 -33 14 13 -33 28 41 -33 9 31 0.55 -124 0 0 -33 44 14 18 42 15.1 12 303 59 -33 49 6 -33 39 21 -33 53 49 -33 34 39 0.55 -123 0 0 -34 9 11 18 42 16.3 11 303 59 -34 14 4 -34 4 19 -34 18 46 -33 59 37 0.55 -122 0 0 -34 33 58 18 42 17.4 10 302 59 -34 38 50 -34 29 5 -34 43 32 -34 24 24 0.55 -121 0 0 -34 58 32 18 42 18.5 10 301 59 -35 3 24 -34 53 40 -35 8 6 -34 48 59 0.55 -120 0 0 -35 22 54 18 42 19.4 9 301 60 -35 27 46 -35 18 2 -35 32 28 -35 13 21 0.55 -119 0 0 -35 47 3 18 42 20.2 8 300 60 -35 51 55 -35 42 12 -35 56 37 -35 37 31 0.55 -118 0 0 -36 10 59 18 42 21.0 7 300 60 -36 15 51 -36 6 8 -36 20 32 -36 1 28 0.55 -117 0 0 -36 34 42 18 42 21.6 6 299 60 -36 39 33 -36 29 51 -36 44 14 -36 25 10 0.55 -116 0 0 -36 58 10 18 42 22.2 5 299 60 -37 3 1 -36 53 19 -37 7 42 -36 48 39 0.56 -115 0 0 -37 21 23 18 42 22.6 4 298 60 -37 26 14 -37 16 33 -37 30 54 -37 11 53 0.56 -114 0 0 -37 44 22 18 42 23.0 3 297 60 -37 49 12 -37 39 32 -37 53 52 -37 34 52 0.56 -113 0 0 -38 7 5 18 42 23.2 2 297 59 -38 11 55 -38 2 15 -38 16 35 -37 57 36 0.57 -112 0 0 -38 29 32 18 42 23.4 1 296 59 -38 34 21 -38 24 43 -38 39 1 -38 20 4 0.59 -111 0 0 -38 51 43 18 42 23.5 1 295 59 -38 56 32 -38 46 54 -39 1 12 -38 42 16 0.66 Uncertainty in time = +/- 2 secs Prediction of 2023 Jul 15.6 Data for the target star ------------------------ * name: TYC 1384-01136-1 * constellation : Cancer * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 08 00 26.1365 DE: +19 16 14.100 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 08 00 26.1366 DE: +19 16 14.100 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.100) * V mag [mag]: 11.1 * B mag [mag]: 11.5 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (4187) Shulnazaria asteroid class: approx. diameter [km]: 14 approx. diameter ["]: 0.006 distance from Earth [AU]: 3.02720 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#43 date of fit: 2023 Feb 10 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): 0.015", 0.003", 101.453° remarks: * orbital elements for (4187)Shulnazaria : Mean anomaly = 272.4877095241 deg Arg. of pericenter = 24.4959473284 deg Long. of node = 174.7570000212 deg Inclination = 1.2858582864 deg Eccentricity = 0.1073286184 Semimajor axis = 3.0538253397 AU Perihelion dist = 2.7260624852 AU Mag: H = 13.02, G = 0.15 Epoch of elements : MJD 60597.77612554 TDT (2024 Oct 14.7761) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#432023Feb10,0.73,2024,10,14,18.627045,-0.107849,-0.468937,10.734158,-2.461843,-0.005668,0.001154,0.000000,0.000000 177.2638,19.2037,-102.95,-8.54,False TYC 1384-01136-1,8.00726011,19.2705835,11.45,11.12,10.94,0.0,0,,8.03114707,19.2036674,7.71,7.43,0,0,0 4187,Shulnazaria,18.83,14.170,3.0272,0,0,2.201,-7.15,,1.4,0 0,272.3444,2024,10,14,24.4959,174.7570,1.2859,0.10733,3.05383,2.72606,13.02,5.0,0.15 1.482,0.0153,0.0031,101,0.0031,Known errors,1.05,0,-1,-1 20241014_1136-1,60140.63 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 15:13 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org