IOTA/IOTA-ES occultation update for (6075) Zajtsev / TYC 1392-00425-1 event on 2024 Oct 31, 21:34 UT Visible from Summary ------- On 2024 Oct 31 UT, the 14.7888328853408 km diameter asteroid (6075) Zajtsev will occult a 8.6 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 10.51 mag to 19.12 mag (the magnitude of the asteroid) for at most 1.190 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: 97 * date and approx. time of event: 2024 Oct 31, 21:27 - 2024 Oct 31, 21:42 * geocentric midpoint of event [JD]: 2460615.39925370 * magnitude of target star: 8.61 * magnitude drop [mag]: 10.51 * estimated maximum duration [s]: 1.190 * Moon: 0 % sunlit, 84° distance * Sun: 91° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 18 * 1 sigma uncertainty interval [path widths]: +/- 0.38 * 1 sigma uncertainty interval [seconds]: +/- 2.9 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.015, +/- 0.004) * 1 sigma uncertainty ellipse (major, minor, PA): (0.015", 0.002", 104°) * approx speed of asteroid's shadow [km/s]: 12.8824 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 1392-00425-1 by 6075 Zajtsev on 2024 Oct 31 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 43 0 0 -14 41 46 21 27 55.3 1 72 -60 -14 46 52 -14 36 41 -14 50 46 -14 32 47 .... 44 0 0 -14 23 35 21 27 55.6 2 72 -60 -14 28 40 -14 18 31 -14 32 35 -14 14 37 0.39 45 0 0 -14 5 48 21 27 56.0 3 71 -59 -14 10 52 -14 0 44 -14 14 46 -13 56 51 0.46 46 0 0 -13 48 24 21 27 56.7 4 71 -59 -13 53 28 -13 43 21 -13 57 22 -13 39 28 0.50 47 0 0 -13 31 25 21 27 57.5 5 71 -59 -13 36 28 -13 26 22 -13 40 21 -13 22 30 0.52 48 0 0 -13 14 50 21 27 58.4 6 71 -59 -13 19 53 -13 9 48 -13 23 46 -13 5 56 0.54 49 0 0 -12 58 41 21 27 59.6 7 71 -59 -13 3 43 -12 53 39 -13 7 35 -12 49 47 0.55 50 0 0 -12 42 56 21 28 0.9 8 70 -59 -12 47 58 -12 37 55 -12 51 50 -12 34 4 0.56 51 0 0 -12 27 38 21 28 2.5 9 70 -58 -12 32 39 -12 22 37 -12 36 30 -12 18 46 0.57 52 0 0 -12 12 45 21 28 4.2 10 70 -58 -12 17 45 -12 7 44 -12 21 36 -12 3 54 0.57 53 0 0 -11 58 18 21 28 6.1 11 70 -58 -12 3 18 -11 53 18 -12 7 9 -11 49 28 0.58 54 0 0 -11 44 18 21 28 8.1 12 69 -57 -11 49 18 -11 39 19 -11 53 8 -11 35 29 0.58 55 0 0 -11 30 45 21 28 10.4 13 69 -57 -11 35 44 -11 25 46 -11 39 34 -11 21 56 0.58 56 0 0 -11 17 38 21 28 12.8 14 69 -56 -11 22 37 -11 12 40 -11 26 27 -11 8 51 0.59 57 0 0 -11 4 59 21 28 15.4 15 69 -56 -11 9 58 -11 0 1 -11 13 47 -10 56 13 0.59 58 0 0 -10 52 48 21 28 18.1 16 68 -55 -10 57 46 -10 47 50 -11 1 35 -10 44 2 0.59 59 0 0 -10 41 4 21 28 21.1 17 68 -55 -10 46 2 -10 36 7 -10 49 50 -10 32 19 0.59 60 0 0 -10 29 49 21 28 24.2 18 68 -54 -10 34 46 -10 24 52 -10 38 34 -10 21 4 0.59 61 0 0 -10 19 1 21 28 27.4 19 68 -53 -10 23 58 -10 14 5 -10 27 46 -10 10 17 0.60 62 0 0 -10 8 42 21 28 30.9 20 67 -53 -10 13 38 -10 3 46 -10 17 26 - 9 59 59 0.60 63 0 0 - 9 58 52 21 28 34.5 21 67 -52 -10 3 48 - 9 53 56 -10 7 35 - 9 50 9 0.60 64 0 0 - 9 49 30 21 28 38.3 22 67 -51 - 9 54 26 - 9 44 35 - 9 58 13 - 9 40 48 0.60 65 0 0 - 9 40 38 21 28 42.2 23 67 -51 - 9 45 33 - 9 35 43 - 9 49 20 - 9 31 56 0.60 66 0 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62 -40 - 8 35 14 - 8 25 28 - 8 39 0 - 8 21 44 0.61 79 0 0 - 8 28 29 21 29 53.5 36 61 -39 - 8 33 22 - 8 23 37 - 8 37 7 - 8 19 52 0.61 80 0 0 - 8 27 8 21 29 59.6 37 61 -38 - 8 32 1 - 8 22 15 - 8 35 46 - 8 18 31 0.61 81 0 0 - 8 26 18 21 30 5.9 38 60 -38 - 8 31 11 - 8 21 25 - 8 34 56 - 8 17 40 0.61 82 0 0 - 8 25 58 21 30 12.3 39 60 -37 - 8 30 51 - 8 21 5 - 8 34 36 - 8 17 21 0.62 83 0 0 - 8 26 10 21 30 18.9 40 59 -36 - 8 31 3 - 8 21 17 - 8 34 48 - 8 17 32 0.62 84 0 0 - 8 26 52 21 30 25.6 41 59 -35 - 8 31 45 - 8 21 59 - 8 35 31 - 8 18 15 0.62 85 0 0 - 8 28 6 21 30 32.3 41 58 -34 - 8 32 59 - 8 23 13 - 8 36 44 - 8 19 28 0.62 86 0 0 - 8 29 51 21 30 39.3 42 57 -33 - 8 34 44 - 8 24 57 - 8 38 29 - 8 21 13 0.62 87 0 0 - 8 32 6 21 30 46.3 43 57 -32 - 8 37 0 - 8 27 13 - 8 40 45 - 8 23 28 0.62 88 0 0 - 8 34 53 21 30 53.4 44 56 -31 - 8 39 47 - 8 30 0 - 8 43 32 - 8 26 15 0.62 89 0 0 - 8 38 11 21 31 0.7 45 55 -30 - 8 43 5 - 8 33 18 - 8 46 51 - 8 29 33 0.62 90 0 0 - 8 42 0 21 31 8.1 46 54 -29 - 8 46 54 - 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47 54 -21 29 1 0.62 140 0 0 -22 4 2 21 38 17.4 48 338 22 -22 9 23 -21 58 41 -22 13 30 -21 54 35 0.62 141 0 0 -22 29 51 21 38 25.3 47 337 23 -22 35 13 -22 24 29 -22 39 20 -22 20 23 0.62 142 0 0 -22 55 53 21 38 33.1 47 336 24 -23 1 15 -22 50 31 -23 5 23 -22 46 24 0.62 143 0 0 -23 22 7 21 38 40.7 46 334 25 -23 27 30 -23 16 44 -23 31 39 -23 12 37 0.62 144 0 0 -23 48 33 21 38 48.3 45 333 26 -23 53 57 -23 43 10 -23 58 5 -23 39 2 0.61 145 0 0 -24 15 10 21 38 55.7 44 332 27 -24 20 34 -24 9 46 -24 24 43 -24 5 38 0.61 146 0 0 -24 41 56 21 39 3.0 43 331 28 -24 47 21 -24 36 32 -24 51 31 -24 32 23 0.61 147 0 0 -25 8 52 21 39 10.2 42 330 29 -25 14 17 -25 3 27 -25 18 27 -24 59 18 0.61 148 0 0 -25 35 56 21 39 17.2 42 329 30 -25 41 22 -25 30 31 -25 45 32 -25 26 21 0.61 149 0 0 -26 3 8 21 39 24.1 41 328 31 -26 8 34 -25 57 42 -26 12 44 -25 53 32 0.61 150 0 0 -26 30 26 21 39 30.9 40 328 32 -26 35 52 -26 24 59 -26 40 3 -26 20 49 0.61 151 0 0 -26 57 49 21 39 37.5 39 327 33 -27 3 16 -26 52 22 -27 7 28 -26 48 12 0.61 152 0 0 -27 25 18 21 39 44.0 38 326 34 -27 30 45 -27 19 51 -27 34 57 -27 15 40 0.61 153 0 0 -27 52 50 21 39 50.3 37 325 35 -27 58 18 -27 47 23 -28 2 30 -27 43 11 0.61 154 0 0 -28 20 26 21 39 56.5 36 324 36 -28 25 54 -28 14 58 -28 30 6 -28 10 46 0.61 155 0 0 -28 48 4 21 40 2.5 35 323 37 -28 53 32 -28 42 35 -28 57 45 -28 38 24 0.61 156 0 0 -29 15 43 21 40 8.4 35 322 37 -29 21 12 -29 10 14 -29 25 24 -29 6 2 0.61 157 0 0 -29 43 23 21 40 14.1 34 322 38 -29 48 52 -29 37 54 -29 53 5 -29 33 42 0.61 158 0 0 -30 11 2 21 40 19.7 33 321 39 -30 16 31 -30 5 33 -30 20 44 -30 1 20 0.61 159 0 0 -30 38 40 21 40 25.1 32 320 40 -30 44 10 -30 33 11 -30 48 23 -30 28 58 0.61 160 0 0 -31 6 16 21 40 30.3 31 319 41 -31 11 46 -31 0 47 -31 16 0 -30 56 34 0.61 161 0 0 -31 33 50 21 40 35.4 30 319 42 -31 39 20 -31 28 20 -31 43 33 -31 24 7 0.61 162 0 0 -32 1 19 21 40 40.3 29 318 42 -32 6 50 -31 55 49 -32 11 3 -31 51 37 0.61 163 0 0 -32 28 45 21 40 45.0 28 317 43 -32 34 15 -32 23 15 -32 38 29 -32 19 2 0.61 164 0 0 -32 56 5 21 40 49.6 27 316 44 -33 1 35 -32 50 35 -33 5 49 -32 46 22 0.61 165 0 0 -33 23 19 21 40 54.0 26 316 45 -33 28 49 -33 17 49 -33 33 3 -33 13 36 0.61 166 0 0 -33 50 26 21 40 58.2 25 315 45 -33 55 57 -33 44 56 -34 0 11 -33 40 43 0.61 167 0 0 -34 17 26 21 41 2.3 24 314 46 -34 22 57 -34 11 56 -34 27 11 -34 7 43 0.61 168 0 0 -34 44 18 21 41 6.2 24 314 47 -34 49 48 -34 38 47 -34 54 2 -34 34 34 0.61 169 0 0 -35 11 0 21 41 10.0 23 313 47 -35 16 31 -35 5 30 -35 20 45 -35 1 17 0.61 170 0 0 -35 37 34 21 41 13.6 22 312 48 -35 43 4 -35 32 3 -35 47 18 -35 27 50 0.61 171 0 0 -36 3 56 21 41 17.0 21 312 49 -36 9 27 -35 58 27 -36 13 40 -35 54 14 0.61 172 0 0 -36 30 8 21 41 20.3 20 311 49 -36 35 39 -36 24 39 -36 39 52 -36 20 26 0.61 173 0 0 -36 56 9 21 41 23.4 19 310 50 -37 1 39 -36 50 39 -37 5 52 -36 46 26 0.61 174 0 0 -37 21 57 21 41 26.3 18 310 50 -37 27 27 -37 16 28 -37 31 40 -37 12 15 0.61 175 0 0 -37 47 33 21 41 29.1 17 309 51 -37 53 2 -37 42 4 -37 57 16 -37 37 51 0.61 176 0 0 -38 12 55 21 41 31.8 16 308 51 -38 18 25 -38 7 26 -38 22 38 -38 3 14 0.61 177 0 0 -38 38 4 21 41 34.3 15 308 52 -38 43 33 -38 32 35 -38 47 46 -38 28 23 0.61 178 0 0 -39 2 58 21 41 36.6 15 307 52 -39 8 27 -38 57 30 -39 12 40 -38 53 18 0.61 179 0 0 -39 27 38 21 41 38.8 14 306 53 -39 33 6 -39 22 10 -39 37 19 -39 17 58 0.61 180 0 0 -39 52 2 21 41 40.8 13 306 53 -39 57 30 -39 46 34 -40 1 42 -39 42 23 0.61 -179 0 0 -40 16 11 21 41 42.7 12 305 54 -40 21 38 -40 10 43 -40 25 50 -40 6 32 0.62 -178 0 0 -40 40 3 21 41 44.5 11 304 54 -40 45 31 -40 34 36 -40 49 42 -40 30 25 0.62 -177 0 0 -41 3 39 21 41 46.1 10 304 54 -41 9 6 -40 58 13 -41 13 17 -40 54 2 0.62 -176 0 0 -41 26 58 21 41 47.5 9 303 55 -41 32 25 -41 21 32 -41 36 36 -41 17 22 0.62 -175 0 0 -41 50 0 21 41 48.9 9 302 55 -41 55 26 -41 44 34 -41 59 37 -41 40 25 0.62 -174 0 0 -42 12 45 21 41 50.1 8 302 55 -42 18 10 -42 7 19 -42 22 20 -42 3 10 0.62 -173 0 0 -42 35 11 21 41 51.1 7 301 55 -42 40 36 -42 29 46 -42 44 46 -42 25 37 0.62 -172 0 0 -42 57 20 21 41 52.1 6 300 56 -43 2 44 -42 51 55 -43 6 54 -42 47 47 0.62 -171 0 0 -43 19 10 21 41 52.9 5 299 56 -43 24 34 -43 13 46 -43 28 43 -43 9 38 0.62 -170 0 0 -43 40 41 21 41 53.6 4 299 56 -43 46 5 -43 35 18 -43 50 13 -43 31 10 0.63 -169 0 0 -44 1 54 21 41 54.1 4 298 56 -44 7 17 -43 56 31 -44 11 25 -43 52 23 0.63 -168 0 0 -44 22 47 21 41 54.6 3 297 56 -44 28 10 -44 17 25 -44 32 17 -44 13 18 0.64 -167 0 0 -44 43 21 21 41 54.9 2 297 56 -44 48 43 -44 38 0 -44 52 51 -44 33 53 0.65 -166 0 0 -45 3 36 21 41 55.1 1 296 56 -45 8 57 -44 58 15 -45 13 4 -44 54 9 0.67 -165 0 0 -45 23 31 21 41 55.2 0 295 56 -45 28 52 -45 18 11 -45 32 59 -45 14 5 0.77 Uncertainty in time = +/- 3 secs Prediction of 2023 Jul 15.7 Data for the target star ------------------------ * name: TYC 1392-00425-1 * constellation : Cancer * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 08 38 44.1894 DE: +17 14 56.387 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 08 38 44.1896 DE: +17 14 56.386 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.400,0.300) * V mag [mag]: 8.6 * B mag [mag]: 9.2 * Diameter [mas]: 0.20 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (6075) Zajtsev asteroid class: approx. diameter [km]: 15 approx. diameter ["]: 0.006 distance from Earth [AU]: 3.37920 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#42 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", 0.002", 103.587° remarks: * orbital elements for (6075)Zajtsev : Mean anomaly = 146.8206593383 deg Arg. of pericenter = 150.4149390959 deg Long. of node = 166.1674483009 deg Inclination = 1.3588710706 deg Eccentricity = 0.1455028215 Semimajor axis = 3.1399024367 AU Perihelion dist = 2.6830377730 AU Mag: H = 12.85, G = 0.15 Epoch of elements : MJD 60614.89925312 TDT (2024 Oct 31.8993) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#422023Feb10,1.19,2024,10,31,21.582089,-0.148086,-0.506520,6.980068,-2.036896,-0.005808,0.001541,0.000000,0.000000 125.6287,17.1626,-147.83,-14.48,False TYC 1392-00425-1,8.64560816,17.2489964,9.19,8.61,8.30,0.2,0,,8.66900239,17.1626397,10.51,10.37,0,0,0 6075,Zajtsev,19.12,15.279,3.3792,0,0,1.268,-5.30,,1.4,0 0,146.6614,2024,10,31,150.4149,166.1674,1.3589,0.14550,3.13990,2.68304,12.85,5.0,0.15 1.384,0.0150,0.0023,104,0.0024,Known errors,2.18,0,-1,-1 20241031_0425-1,60140.67 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 16:07 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org