IOTA/IOTA-ES occultation update for (600217) 2011 QY100 / G064759.6-022307 event on 2023 Nov 03, 15:27 UT Visible from Summary ------- On 2023 Nov 03 UT, the 75.5 km diameter asteroid (600217) 2011 QY100 will occult a 12.6 mag star in the constellation Monoceros for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 8.80 mag to 21.44 mag (the magnitude of the asteroid) for at most 6.860 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: 4 * date and approx. time of event: 2023 Nov 03, 15:22 - 2023 Nov 03, 15:41 * geocentric midpoint of event [JD]: 2460252.14728742 * magnitude of target star: 12.64 * magnitude drop [mag]: 8.80 * estimated maximum duration [s]: 6.860 * Moon: 66 % sunlit, 31° distance * Sun: 115° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 76 * 1 sigma uncertainty interval [path widths]: +/- 16.70 * 1 sigma uncertainty interval [seconds]: +/- 94.5 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.109, +/- 0.038) * 1 sigma uncertainty ellipse (major, minor, PA): (0.109", 0.037", 86°) * approx speed of asteroid's shadow [km/s]: 11.0091 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of G064759.6-022307 by 600217 2011 QY100 on 2023 Nov 3 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 ' " Longitude Longitude Longitude Longitude .. .. .. 60 0 0 .. .. .... .. .. .. ... .. .. ... .. .. - 95 55 56 ... .. .. .... .. .. .. 59 0 0 .. .. .... .. .. .. ... .. .. ... .. .. -102 36 14 ... .. .. .... .. .. .. 58 0 0 .. .. .... .. .. .. ... .. .. ... .. .. -107 33 40 ... .. .. .... .. .. .. 57 0 0 .. .. .... .. .. .. ... .. .. ... .. .. -111 37 0 ... .. .. .... .. .. .. 56 0 0 .. .. .... .. .. .. ... .. .. ... .. .. -115 5 21 ... .. .. .... .. .. .. 55 0 0 .. .. .... .. .. .. ... .. .. ... .. .. -118 8 41 ... .. .. .... .. .. .. 54 0 0 .. .. .... .. .. .. ... .. .. ... .. .. -120 52 59 ... .. .. .... .. .. .. 53 0 0 .. .. .... .. .. .. ... .. .. ... .. .. -123 22 13 ... .. .. .... .. .. .. 52 0 0 .. .. .... .. .. .. ... .. .. ... .. .. -125 39 9 ... .. .. .... .. .. .. 51 0 0 .. .. .... .. .. .. ... .. .. ... .. .. -127 45 49 ... .. .. .... .. .. .. 50 0 0 .. .. .... .. .. .. ... .. .. ... .. .. -129 43 48 ... .. .. .... - 87 22 24 49 0 0 15 22 31.8 2 264 20 - 91 0 57 ... .. .. -131 34 17 ... .. .. .... - 95 46 17 48 0 0 15 22 37.0 8 257 17 - 97 49 0 - 93 26 38 -133 18 16 ... .. .. 0.08 Latitude Latitude Latitude Latitude - 97 0 0 47 47 34 15 22 38.2 9 256 17 48 8 44 47 26 23 59 51 54 35 24 2 0.11 - 98 0 0 47 36 44 15 22 39.4 10 256 16 47 57 59 47 15 28 59 43 48 35 10 20 0.12 - 99 0 0 47 25 15 15 22 40.6 10 255 16 47 46 34 47 3 54 59 35 13 34 55 48 0.11 -100 0 0 47 13 5 15 22 41.9 11 254 16 47 34 30 46 51 39 59 26 7 34 40 26 0.11 -101 0 0 47 0 15 15 22 43.3 12 254 15 47 21 46 46 38 44 59 16 30 34 24 14 0.11 -102 0 0 46 46 44 15 22 44.8 12 253 15 47 8 21 46 25 7 59 6 23 34 7 10 0.11 -103 0 0 46 32 32 15 22 46.5 13 252 15 46 54 15 46 10 48 58 55 43 33 49 13 0.11 -104 0 0 46 17 36 15 22 48.2 14 251 14 46 39 26 45 55 46 58 44 30 33 30 24 0.11 -105 0 0 46 1 58 15 22 50.0 15 251 14 46 23 54 45 40 1 58 32 45 33 10 40 0.11 -106 0 0 45 45 35 15 22 52.0 15 250 14 46 7 38 45 23 31 58 20 25 32 50 2 0.11 -107 0 0 45 28 27 15 22 54.0 16 249 13 45 50 38 45 6 16 58 7 30 32 28 27 0.11 -108 0 0 45 10 34 15 22 56.2 17 249 13 45 32 52 44 48 14 57 54 0 32 5 56 0.11 -109 0 0 44 51 54 15 22 58.5 18 248 13 45 14 20 44 29 26 57 39 54 31 42 27 0.11 -110 0 0 44 32 26 15 23 1.0 18 247 12 44 55 0 44 9 50 57 25 10 31 17 58 0.11 -111 0 0 44 12 9 15 23 3.5 19 247 12 44 34 52 43 49 25 57 9 48 30 52 30 0.11 -112 0 0 43 51 2 15 23 6.2 20 246 11 44 13 55 43 28 9 56 53 47 30 26 1 0.11 -113 0 0 43 29 5 15 23 9.1 21 245 11 43 52 7 43 6 3 56 37 6 29 58 29 0.11 -114 0 0 43 6 16 15 23 12.1 22 245 11 43 29 27 42 43 4 56 19 43 29 29 54 0.11 -115 0 0 42 42 34 15 23 15.2 22 244 10 43 5 55 42 19 12 56 1 39 29 0 13 0.11 -116 0 0 42 17 58 15 23 18.5 23 243 10 42 41 28 41 54 26 55 42 51 28 29 27 0.11 -117 0 0 41 52 26 15 23 22.0 24 243 9 42 16 7 41 28 43 55 23 18 27 57 34 0.11 -118 0 0 41 25 57 15 23 25.6 25 242 9 41 49 49 41 2 4 55 3 0 27 24 31 0.11 -119 0 0 40 58 31 15 23 29.4 26 241 9 41 22 34 40 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231 -5 22 40 50 21 39 53 39 33 31 4 0 17 0.10 -146 0 0 21 8 31 15 26 43.8 55 231 -6 21 39 15 20 37 44 38 41 10 2 47 16 0.10 -147 0 0 20 5 11 15 26 55.4 57 231 -6 20 36 12 19 34 8 37 47 17 1 32 46 0.10 -148 0 0 19 0 25 15 27 7.4 58 231 -7 19 31 42 18 29 5 36 51 52 0 16 48 0.10 -149 0 0 17 54 12 15 27 19.8 59 231 -7 18 25 46 17 22 36 35 54 54 - 1 0 35 0.11 -150 0 0 16 46 35 15 27 32.5 61 231 -8 17 18 25 16 14 41 34 56 23 - 2 19 20 0.11 -151 0 0 15 37 33 15 27 45.5 62 231 -9 16 9 40 15 5 24 33 56 19 - 3 39 26 0.11 -152 0 0 14 27 11 15 27 59.0 64 232 -9 14 59 33 13 54 45 32 54 42 - 5 0 48 0.11 -153 0 0 13 15 28 15 28 12.7 65 232 -10 13 48 6 12 42 47 31 51 32 - 6 23 22 0.11 -154 0 0 12 2 28 15 28 26.9 67 233 -10 12 35 21 11 29 32 30 46 50 - 7 47 6 0.11 -155 0 0 10 48 14 15 28 41.3 68 234 -11 11 21 22 10 15 3 29 40 38 - 9 11 53 0.11 -156 0 0 9 32 49 15 28 56.1 70 235 -12 10 6 11 8 59 23 28 32 57 -10 37 40 0.11 -157 0 0 8 16 15 15 29 11.1 71 236 -12 8 49 51 7 42 36 27 23 48 -12 4 20 0.11 -158 0 0 6 58 37 15 29 26.4 73 238 -13 7 32 27 6 24 45 26 13 14 -13 31 47 0.11 -159 0 0 5 40 0 15 29 42.0 74 240 -13 6 14 2 5 5 54 25 1 17 -14 59 56 0.11 -160 0 0 4 20 27 15 29 57.9 76 243 -14 4 54 41 3 46 9 23 48 1 -16 28 40 0.11 -161 0 0 3 0 3 15 30 14.0 77 246 -15 3 34 29 2 25 34 22 33 29 -17 57 51 0.11 -162 0 0 1 38 54 15 30 30.2 78 250 -15 2 13 30 1 4 14 21 17 45 -19 27 22 0.11 -163 0 0 0 17 4 15 30 46.6 80 255 -16 0 51 50 - 0 17 46 20 0 52 -20 57 6 0.11 -164 0 0 - 1 5 20 15 31 3.2 81 262 -16 - 0 30 25 - 1 40 19 18 42 55 -22 26 53 0.12 -165 0 0 - 2 28 13 15 31 19.9 82 270 -17 - 1 53 9 - 3 3 21 17 24 0 -23 56 37 0.12 -166 0 0 - 3 51 28 15 31 36.7 83 281 -17 - 3 16 17 - 4 26 43 16 4 11 -25 26 8 0.12 -167 0 0 - 5 14 59 15 31 53.5 83 294 -18 - 4 39 42 - 5 50 21 14 43 33 -26 55 18 0.12 -168 0 0 - 6 38 41 15 32 10.3 83 308 -18 - 6 3 18 - 7 14 8 13 22 13 -28 23 57 0.12 -169 0 0 - 8 2 25 15 32 27.2 83 321 -19 - 7 26 58 - 8 37 58 12 0 16 -29 51 59 0.12 -170 0 0 - 9 26 6 15 32 44.0 82 333 -19 - 8 50 35 -10 1 42 10 37 49 -31 19 13 0.12 -171 0 0 -10 49 38 15 33 0.7 81 343 -19 -10 14 4 -11 25 16 9 14 58 -32 45 31 0.12 -172 0 0 -12 12 52 15 33 17.3 80 350 -20 -11 37 17 -12 48 32 7 51 49 -34 10 46 0.12 -173 0 0 -13 35 44 15 33 33.8 79 356 -20 -13 0 8 -14 11 24 6 28 28 -35 34 50 0.12 -174 0 0 -14 58 6 15 33 50.1 77 1 -20 -14 22 31 -15 33 46 5 5 4 -36 57 35 0.13 -175 0 0 -16 19 52 15 34 6.2 76 5 -21 -15 44 19 -16 55 30 3 41 41 -38 18 53 0.13 -176 0 0 -17 40 56 15 34 22.1 75 8 -21 -17 5 26 -18 16 32 2 18 26 -39 38 40 0.13 -177 0 0 -19 1 12 15 34 37.7 73 10 -21 -18 25 46 -19 36 44 0 55 26 -40 56 48 0.13 -178 0 0 -20 20 35 15 34 53.1 72 13 -21 -19 45 14 -20 56 2 - 0 27 13 -42 13 12 0.13 -179 0 0 -21 38 59 15 35 8.2 70 15 -22 -21 3 44 -22 14 20 - 1 49 24 -43 27 49 0.13 -180 0 0 -22 56 19 15 35 22.9 69 16 -22 -22 21 11 -23 31 33 - 3 11 3 -44 40 33 0.13 179 0 0 -24 12 31 15 35 37.4 67 18 -22 -23 37 31 -24 47 37 - 4 32 3 -45 51 22 0.13 178 0 0 -25 27 30 15 35 51.5 66 19 -22 -24 52 39 -26 2 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30 40 -59 16 39 -45 49 8 -72 24 37 0.13 128 0 0 -59 9 2 15 41 8.5 19 62 -16 -58 46 13 -59 31 52 -46 9 40 -72 34 12 0.13 127 0 0 -59 23 47 15 41 10.3 18 62 -15 -59 1 7 -59 46 29 -46 29 23 -72 43 22 0.13 126 0 0 -59 37 56 15 41 12.0 18 63 -15 -59 15 25 -60 0 29 -46 48 19 -72 52 8 0.12 125 0 0 -59 51 30 15 41 13.7 17 64 -15 -59 29 7 -60 13 54 -47 6 29 -73 0 30 0.12 124 0 0 -60 4 28 15 41 15.3 16 65 -15 -59 42 13 -60 26 45 -47 23 54 -73 8 31 0.12 123 0 0 -60 16 53 15 41 16.8 16 66 -15 -59 54 45 -60 39 2 -47 40 35 -73 16 9 0.12 122 0 0 -60 28 44 15 41 18.2 15 67 -15 -60 6 44 -60 50 46 -47 56 32 -73 23 26 0.12 121 0 0 -60 40 3 15 41 19.6 15 68 -14 -60 18 10 -61 1 57 -48 11 47 -73 30 22 0.12 120 0 0 -60 50 50 15 41 21.0 14 68 -14 -60 29 4 -61 12 38 -48 26 20 -73 36 57 0.12 119 0 0 -61 1 6 15 41 22.2 14 69 -14 -60 39 26 -61 22 47 -48 40 12 -73 43 13 0.12 118 0 0 -61 10 52 15 41 23.5 13 70 -14 -60 49 18 -61 32 27 -48 53 24 -73 49 10 0.12 117 0 0 -61 20 7 15 41 24.6 13 71 -14 -60 58 40 -61 41 36 -49 5 56 -73 54 48 0.12 116 0 0 -61 28 54 15 41 25.7 12 72 -13 -61 7 32 -61 50 17 -49 17 49 -74 0 8 0.12 115 0 0 -61 37 11 15 41 26.8 12 73 -13 -61 15 54 -61 58 29 -49 29 4 -74 5 10 0.12 114 0 0 -61 45 1 15 41 27.8 11 74 -13 -61 23 49 -62 6 14 -49 39 41 -74 9 54 0.12 113 0 0 -61 52 22 15 41 28.7 11 75 -13 -61 31 15 -62 13 31 -49 49 41 -74 14 21 0.12 112 0 0 -61 59 17 15 41 29.6 10 75 -13 -61 38 14 -62 20 20 -49 59 5 -74 18 31 0.12 111 0 0 -62 5 44 15 41 30.5 10 76 -13 -61 44 45 -62 26 44 -50 7 52 -74 22 24 0.12 110 0 0 -62 11 45 15 41 31.3 9 77 -12 -61 50 50 -62 32 41 -50 16 3 -74 26 1 0.12 109 0 0 -62 17 19 15 41 32.1 9 78 -12 -61 56 28 -62 38 12 -50 23 39 -74 29 22 0.12 108 0 0 -62 22 28 15 41 32.8 8 79 -12 -62 1 40 -62 43 17 -50 30 40 -74 32 28 0.12 107 0 0 -62 27 11 15 41 33.5 8 80 -12 -62 6 27 -62 47 57 -50 37 7 -74 35 17 0.12 106 0 0 -62 31 29 15 41 34.1 8 81 -12 -62 10 48 -62 52 12 -50 42 59 -74 37 52 0.12 105 0 0 -62 35 22 15 41 34.8 7 82 -11 -62 14 43 -62 56 3 -50 48 18 -74 40 11 0.12 104 0 0 -62 38 50 15 41 35.3 7 82 -11 -62 18 13 -62 59 28 -50 53 2 -74 42 15 0.12 103 0 0 -62 41 54 15 41 35.8 6 83 -11 -62 21 19 -63 2 30 -50 57 13 -74 44 4 0.12 102 0 0 -62 44 33 15 41 36.3 6 84 -11 -62 24 0 -63 5 7 -51 0 51 -74 45 38 0.12 101 0 0 -62 46 48 15 41 36.8 5 85 -11 -62 26 16 -63 7 21 -51 3 56 -74 46 58 0.12 100 0 0 -62 48 39 15 41 37.2 5 86 -11 -62 28 8 -63 9 10 -51 6 28 -74 48 3 0.12 99 0 0 -62 50 5 15 41 37.5 4 87 -10 -62 29 36 -63 10 36 -51 8 26 -74 48 53 0.12 98 0 0 -62 51 8 15 41 37.9 4 88 -10 -62 30 39 -63 11 37 -51 9 52 -74 49 29 0.13 97 0 0 -62 51 47 15 41 38.2 3 89 -10 -62 31 18 -63 12 16 -51 10 46 -74 49 51 0.13 96 0 0 -62 52 1 15 41 38.4 3 90 -10 -62 31 33 -63 12 30 -51 11 6 -74 49 58 0.13 95 0 0 -62 51 52 15 41 38.6 2 90 -10 -62 31 24 -63 12 21 -51 10 54 -74 49 51 0.13 94 0 0 -62 51 19 15 41 38.8 2 91 -9 -62 30 51 -63 11 49 -51 10 9 -74 49 30 0.14 93 0 0 -62 50 22 15 41 39.0 2 92 -9 -62 29 53 -63 10 52 -51 8 52 -74 48 54 0.14 92 0 0 -62 49 2 15 41 39.1 1 93 -9 -62 28 32 -63 9 32 -51 7 1 -74 48 4 0.16 91 0 0 -62 47 16 15 41 39.2 1 94 -9 -62 26 45 -63 7 48 .. .. .. -74 46 59 0.19 90 0 0 -62 45 7 15 41 39.2 0 95 -9 -62 24 35 -63 5 40 .. .. .. -74 45 39 0.38 Uncertainty in time = +/- 140 secs Prediction of 2022 Jun 15.2 Data for the target star ------------------------ * name: G064759.6-022307 * constellation : Monoceros * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 06 47 59.5474 DE: -02 23 07.419 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 06 47 59.5474 DE: -02 23 07.419 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.400,0.400) * V mag [mag]: 12.6 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (600217) 2011 QY100 asteroid class: Centaur approx. diameter [km]: 76 approx. diameter ["]: 0.005 distance from Earth [AU]: 19.50110 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#13 date of fit: 2021 Nov 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): 0.109", 0.037", 85.897° remarks: * orbital elements for (600217)2011 QY100 : Mean anomaly = 0.4415857691 deg Arg. of pericenter = 273.0703522444 deg Long. of node = 169.3626328715 deg Inclination = 26.2348956143 deg Eccentricity = 0.8882698235 Semimajor axis = 175.1245973192 AU Perihelion dist = 19.5667021693 AU Mag: H = 8.21, G = 0.15 Epoch of elements : MJD 60251.64409722 TDT (2023 Nov 03.6441) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#132021Nov10,6.86,2023,11,3,15.534898,0.097686,-0.066544,-3.485706,-5.144095,-0.005307,0.001689,0.000001,0.000001 -173.3599,-2.4090,-57.13,-15.11,False G064759.6-022307,6.79987428,-2.3853941,0.00,12.64,0.00,0.0,4,,6.81993173,-2.4089756,8.80,0.00,0,0,0 600217,2011 QY100,21.44,75.5,19.5011,0,0,-0.104,-2.32,,7.6 0,0.4413,2023,11,3,273.0704,169.3626,26.2349,0.88827,175.12460,19.56670,8.21,5.0,0.15 17.695,0.1093,0.0370,86,0.0891,Known errors,-1.00,-1,-1,-1 20231103_022307,59745.22 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2022 Jun 15, 05:15 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org