IOTA/IOTA-ES occultation update for (1692) Subbotina / TYC 6291-01766-1 event on 2024 Nov 05, 00:39 UT Visible from Summary ------- On 2024 Nov 05 UT, the 38.251 km diameter asteroid (1692) Subbotina will occult a 11.9 mag star in the constellation Sagittarius for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 4.62 mag to 16.47 mag (the magnitude of the asteroid) for at most 1.170 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: 100 * date and approx. time of event: 2024 Nov 05, 00:36 - 2024 Nov 05, 00:42 * geocentric midpoint of event [JD]: 2460619.52766721 * magnitude of target star: 11.87 * magnitude drop [mag]: 4.62 * estimated maximum duration [s]: 1.170 * Moon: 11 % sunlit, 26° distance * Sun: 64° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 41 * 1 sigma uncertainty interval [path widths]: +/- 0.05 * 1 sigma uncertainty interval [seconds]: +/- 0.7 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.011, +/- 0.002) * 1 sigma uncertainty ellipse (major, minor, PA): (0.011", 0.001", 83°) * approx speed of asteroid's shadow [km/s]: 32.7154 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 6291-01766-1 by 1692 Subbotina on 2024 Nov 5 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 150 0 0 14 12 14 0 36 47.9 1 111 56 14 0 23 14 24 6 13 59 13 14 25 16 .... 151 0 0 13 49 53 0 36 48.0 2 111 57 13 38 3 14 1 45 13 36 53 14 2 55 -0.18 152 0 0 13 27 41 0 36 48.1 3 112 57 13 15 52 13 39 32 13 14 42 13 40 42 -0.25 153 0 0 13 5 38 0 36 48.4 4 112 58 12 53 49 13 17 27 12 52 39 13 18 38 -0.28 154 0 0 12 43 44 0 36 48.6 5 112 59 12 31 56 12 55 33 12 30 46 12 56 43 -0.30 155 0 0 12 22 0 0 36 49.0 6 112 60 12 10 13 12 33 48 12 9 2 12 34 58 -0.32 156 0 0 12 0 26 0 36 49.4 7 113 60 11 48 40 12 12 13 11 47 30 12 13 24 -0.32 157 0 0 11 39 3 0 36 49.9 8 113 61 11 27 18 11 50 50 11 26 8 11 52 0 -0.33 158 0 0 11 17 52 0 36 50.5 9 113 62 11 6 7 11 29 38 11 4 57 11 30 48 -0.34 159 0 0 10 56 53 0 36 51.1 10 113 62 10 45 9 11 8 38 10 43 59 11 9 48 -0.34 160 0 0 10 36 6 0 36 51.8 11 113 63 10 24 23 10 47 50 10 23 13 10 49 0 -0.34 161 0 0 10 15 32 0 36 52.5 12 114 63 10 3 50 10 27 15 10 2 40 10 28 25 -0.35 162 0 0 9 55 11 0 36 53.4 13 114 64 9 43 30 10 6 54 9 42 21 10 8 3 -0.35 163 0 0 9 35 5 0 36 54.3 14 114 64 9 23 24 9 46 46 9 22 15 9 47 56 -0.35 164 0 0 9 15 12 0 36 55.2 15 114 65 9 3 33 9 26 53 9 2 24 9 28 2 -0.35 165 0 0 8 55 35 0 36 56.3 16 114 65 8 43 56 9 7 14 8 42 47 9 8 24 -0.35 166 0 0 8 36 12 0 36 57.4 17 115 66 8 24 35 8 47 51 8 23 26 8 49 0 -0.35 167 0 0 8 17 6 0 36 58.5 18 115 66 8 5 29 8 28 43 8 4 20 8 29 53 -0.36 168 0 0 7 58 15 0 36 59.7 19 115 66 7 46 39 8 9 52 7 45 30 8 11 1 -0.36 169 0 0 7 39 40 0 37 1.0 20 115 66 7 28 6 7 51 16 7 26 57 7 52 25 -0.36 170 0 0 7 21 23 0 37 2.4 21 115 67 7 9 49 7 32 58 7 8 40 7 34 7 -0.36 171 0 0 7 3 23 0 37 3.8 22 115 67 6 51 50 7 14 57 6 50 41 7 16 5 -0.36 172 0 0 6 45 40 0 37 5.3 23 116 67 6 34 8 6 57 13 6 32 59 6 58 22 -0.36 173 0 0 6 28 15 0 37 6.8 25 116 67 6 16 44 6 39 47 6 15 35 6 40 56 -0.36 174 0 0 6 11 8 0 37 8.4 26 116 67 5 59 38 6 22 39 5 58 30 6 23 48 -0.36 175 0 0 5 54 20 0 37 10.1 27 116 67 5 42 51 6 5 51 5 41 43 6 6 59 -0.36 176 0 0 5 37 51 0 37 11.8 28 116 67 5 26 23 5 49 21 5 25 15 5 50 29 -0.36 177 0 0 5 21 41 0 37 13.6 29 117 67 5 10 14 5 33 10 5 9 6 5 34 18 -0.36 178 0 0 5 5 51 0 37 15.4 30 117 66 4 54 25 5 17 19 4 53 17 5 18 27 -0.36 179 0 0 4 50 21 0 37 17.3 31 117 66 4 38 55 5 1 47 4 37 47 5 2 55 -0.37 -180 0 0 4 35 10 0 37 19.2 32 117 66 4 23 46 4 46 36 4 22 38 4 47 44 -0.37 -179 0 0 4 20 20 0 37 21.2 33 118 65 4 8 57 4 31 45 4 7 49 4 32 53 -0.37 -178 0 0 4 5 51 0 37 23.3 34 118 65 3 54 28 4 17 15 3 53 21 4 18 23 -0.37 -177 0 0 3 51 43 0 37 25.4 35 118 65 3 40 21 4 3 6 3 39 13 4 4 13 -0.37 -176 0 0 3 37 55 0 37 27.6 36 118 64 3 26 34 3 49 18 3 25 27 3 50 25 -0.37 -175 0 0 3 24 30 0 37 29.8 37 119 64 3 13 9 3 35 51 3 12 2 3 36 58 -0.37 -174 0 0 3 11 25 0 37 32.0 38 119 63 3 0 6 3 22 46 2 58 59 3 23 53 -0.37 -173 0 0 2 58 43 0 37 34.3 39 119 62 2 47 24 3 10 3 2 46 17 3 11 10 -0.37 -172 0 0 2 46 23 0 37 36.7 40 119 62 2 35 5 2 57 41 2 33 58 2 58 49 -0.37 -171 0 0 2 34 25 0 37 39.1 41 120 61 2 23 7 2 45 43 2 22 0 2 46 50 -0.37 -170 0 0 2 22 49 0 37 41.6 42 120 61 2 11 32 2 34 6 2 10 25 2 35 13 -0.37 -169 0 0 2 11 36 0 37 44.1 42 120 60 2 0 20 2 22 52 1 59 13 2 23 59 -0.37 -168 0 0 2 0 45 0 37 46.6 43 121 59 1 49 30 2 12 1 1 48 24 2 13 8 -0.37 -167 0 0 1 50 18 0 37 49.2 44 121 58 1 39 4 2 1 33 1 37 57 2 2 40 -0.37 -166 0 0 1 40 14 0 37 51.8 45 122 58 1 29 0 1 51 28 1 27 53 1 52 35 -0.37 -165 0 0 1 30 33 0 37 54.5 46 122 57 1 19 20 1 41 46 1 18 13 1 42 53 -0.37 -164 0 0 1 21 15 0 37 57.2 47 123 56 1 10 3 1 32 28 1 8 56 1 33 35 -0.37 -163 0 0 1 12 21 0 37 59.9 48 123 55 1 1 9 1 23 33 1 0 2 1 24 40 -0.37 -162 0 0 1 3 50 0 38 2.7 49 124 55 0 52 39 1 15 2 0 51 33 1 16 8 -0.37 -161 0 0 0 55 43 0 38 5.6 50 124 54 0 44 33 1 6 54 0 43 26 1 8 1 -0.37 -160 0 0 0 48 0 0 38 8.4 51 125 53 0 36 50 0 59 11 0 35 44 1 0 17 -0.37 -159 0 0 0 40 41 0 38 11.3 52 125 52 0 29 32 0 51 51 0 28 25 0 52 58 -0.37 -158 0 0 0 33 46 0 38 14.2 53 126 51 0 22 37 0 44 56 0 21 31 0 46 2 -0.37 -157 0 0 0 27 15 0 38 17.2 54 127 50 0 16 7 0 38 25 0 15 1 0 39 31 -0.37 -156 0 0 0 21 9 0 38 20.2 54 127 49 0 10 1 0 32 18 0 8 55 0 33 24 -0.37 -155 0 0 0 15 27 0 38 23.2 55 128 49 0 4 19 0 26 35 0 3 13 0 27 41 -0.37 -154 0 0 0 10 9 0 38 26.3 56 129 48 - 0 0 58 0 21 17 - 0 2 4 0 22 23 -0.37 -153 0 0 0 5 16 0 38 29.4 57 130 47 - 0 5 51 0 16 23 - 0 6 57 0 17 30 -0.37 -152 0 0 0 0 47 0 38 32.5 58 131 46 - 0 10 20 0 11 54 - 0 11 26 0 13 0 -0.37 -151 0 0 - 0 3 17 0 38 35.6 59 132 45 - 0 14 24 0 7 50 - 0 15 30 0 8 56 -0.37 -150 0 0 - 0 6 57 0 38 38.8 59 133 44 - 0 18 3 0 4 10 - 0 19 9 0 5 16 -0.37 -149 0 0 - 0 10 12 0 38 42.0 60 134 43 - 0 21 18 0 0 55 - 0 22 23 0 2 1 -0.37 -148 0 0 - 0 13 2 0 38 45.2 61 135 42 - 0 24 7 - 0 1 56 - 0 25 13 - 0 0 49 -0.37 -147 0 0 - 0 15 27 0 38 48.4 62 136 41 - 0 26 33 - 0 4 21 - 0 27 39 - 0 3 15 -0.38 -146 0 0 - 0 17 28 0 38 51.7 62 138 40 - 0 28 33 - 0 6 22 - 0 29 39 - 0 5 16 -0.38 -145 0 0 - 0 19 3 0 38 54.9 63 139 39 - 0 30 9 - 0 7 58 - 0 31 14 - 0 6 51 -0.38 -144 0 0 - 0 20 14 0 38 58.2 64 141 38 - 0 31 19 - 0 9 8 - 0 32 25 - 0 8 2 -0.38 -143 0 0 - 0 21 0 0 39 1.6 64 142 38 - 0 32 5 - 0 9 54 - 0 33 11 - 0 8 48 -0.38 -142 0 0 - 0 21 21 0 39 4.9 65 144 37 - 0 32 26 - 0 10 16 - 0 33 32 - 0 9 10 -0.38 -141 0 0 - 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99 0 0 5 44 47 0 41 28.9 52 226 -7 5 33 17 5 56 17 5 32 9 5 57 25 -0.38 - 98 0 0 6 1 29 0 41 31.9 51 227 -8 5 49 59 6 13 0 5 48 50 6 14 9 -0.38 - 97 0 0 6 18 30 0 41 34.8 50 227 -9 6 6 59 6 30 3 6 5 51 6 31 11 -0.38 - 96 0 0 6 35 51 0 41 37.7 49 228 -10 6 24 19 6 47 24 6 23 10 6 48 33 -0.38 - 95 0 0 6 53 29 0 41 40.6 48 229 -11 6 41 56 7 5 3 6 40 48 7 6 12 -0.38 - 94 0 0 7 11 26 0 41 43.4 47 229 -12 6 59 52 7 23 1 6 58 43 7 24 10 -0.38 - 93 0 0 7 29 41 0 41 46.2 46 230 -13 7 18 6 7 41 17 7 16 57 7 42 26 -0.38 - 92 0 0 7 48 12 0 41 48.9 45 230 -14 7 36 36 7 59 49 7 35 27 8 0 58 -0.38 - 91 0 0 8 7 1 0 41 51.6 44 231 -15 7 55 24 8 18 39 7 54 15 8 19 48 -0.38 - 90 0 0 8 26 6 0 41 54.3 43 232 -16 8 14 28 8 37 45 8 13 19 8 38 54 -0.38 - 89 0 0 8 45 28 0 41 56.9 42 232 -17 8 33 49 8 57 7 8 32 40 8 58 17 -0.37 - 88 0 0 9 5 5 0 41 59.4 41 232 -18 8 53 25 9 16 45 8 52 16 9 17 55 -0.37 - 87 0 0 9 24 57 0 42 1.9 40 233 -19 9 13 16 9 36 38 9 12 7 9 37 48 -0.37 - 86 0 0 9 45 4 0 42 4.3 39 233 -20 9 33 22 9 56 46 9 32 13 9 57 56 -0.37 - 85 0 0 10 5 25 0 42 6.7 38 234 -21 9 53 43 10 17 9 9 52 33 10 18 19 -0.37 - 84 0 0 10 26 1 0 42 9.1 37 234 -22 10 14 17 10 37 45 10 13 8 10 38 55 -0.37 - 83 0 0 10 46 49 0 42 11.4 36 235 -24 10 35 5 10 58 35 10 33 55 10 59 45 -0.37 - 82 0 0 11 7 51 0 42 13.6 35 235 -25 10 56 6 11 19 37 10 54 56 11 20 47 -0.37 - 81 0 0 11 29 5 0 42 15.8 34 235 -26 11 17 19 11 40 52 11 16 9 11 42 2 -0.37 - 80 0 0 11 50 31 0 42 17.9 33 236 -27 11 38 44 12 2 19 11 37 34 12 3 29 -0.37 - 79 0 0 12 12 9 0 42 20.0 32 236 -28 12 0 21 12 23 57 11 59 11 12 25 7 -0.37 - 78 0 0 12 33 57 0 42 22.0 31 237 -29 12 22 9 12 45 46 12 20 58 12 46 57 -0.37 - 77 0 0 12 55 56 0 42 24.0 30 237 -30 12 44 6 13 7 46 12 42 56 13 8 56 -0.37 - 76 0 0 13 18 4 0 42 25.9 29 237 -31 13 6 14 13 29 55 13 5 4 13 31 5 -0.37 - 75 0 0 13 40 22 0 42 27.7 28 238 -32 13 28 31 13 52 13 13 27 21 13 53 24 -0.37 - 74 0 0 14 2 48 0 42 29.4 27 238 -33 13 50 57 14 14 41 13 49 47 14 15 51 -0.37 - 73 0 0 14 25 23 0 42 31.2 26 238 -34 14 13 31 14 37 16 14 12 20 14 38 27 -0.37 - 72 0 0 14 48 5 0 42 32.8 25 239 -35 14 36 13 14 59 59 14 35 2 15 1 9 -0.37 - 71 0 0 15 10 54 0 42 34.4 24 239 -36 14 59 1 15 22 48 14 57 50 15 23 59 -0.37 - 70 0 0 15 33 50 0 42 35.9 23 239 -37 15 21 56 15 45 45 15 20 45 15 46 56 -0.37 - 69 0 0 15 56 51 0 42 37.3 22 240 -38 15 44 57 16 8 47 15 43 46 16 9 58 -0.37 - 68 0 0 16 19 58 0 42 38.7 21 240 -39 16 8 3 16 31 54 16 6 52 16 33 5 -0.37 - 67 0 0 16 43 10 0 42 40.1 20 240 -40 16 31 14 16 55 6 16 30 3 16 56 17 -0.37 - 66 0 0 17 6 25 0 42 41.3 19 241 -41 16 54 29 17 18 22 16 53 18 17 19 33 -0.37 - 65 0 0 17 29 44 0 42 42.5 18 241 -42 17 17 48 17 41 41 17 16 37 17 42 52 -0.37 - 64 0 0 17 53 6 0 42 43.6 17 241 -43 17 41 9 18 5 3 17 39 58 18 6 15 -0.37 - 63 0 0 18 16 30 0 42 44.7 16 242 -44 18 4 33 18 28 28 18 3 22 18 29 39 -0.37 - 62 0 0 18 39 56 0 42 45.7 15 242 -45 18 27 59 18 51 54 18 26 48 18 53 6 -0.37 - 61 0 0 19 3 23 0 42 46.6 14 242 -46 18 51 26 19 15 22 18 50 15 19 16 33 -0.37 - 60 0 0 19 26 51 0 42 47.5 13 243 -47 19 14 53 19 38 49 19 13 42 19 40 1 -0.38 - 59 0 0 19 50 18 0 42 48.2 12 243 -48 19 38 20 20 2 17 19 37 9 20 3 28 -0.38 - 58 0 0 20 13 45 0 42 49.0 11 243 -49 20 1 47 20 25 44 20 0 36 20 26 55 -0.38 - 57 0 0 20 37 11 0 42 49.6 10 244 -50 20 25 12 20 49 10 20 24 1 20 50 21 -0.38 - 56 0 0 21 0 34 0 42 50.2 9 244 -51 20 48 36 21 12 34 20 47 25 21 13 45 -0.38 - 55 0 0 21 23 56 0 42 50.8 8 245 -52 21 11 58 21 35 55 21 10 46 21 37 7 -0.38 - 54 0 0 21 47 15 0 42 51.2 7 245 -52 21 35 16 21 59 14 21 34 5 22 0 25 -0.38 - 53 0 0 22 10 30 0 42 51.6 6 245 -53 21 58 31 22 22 29 21 57 20 22 23 40 -0.38 - 52 0 0 22 33 41 0 42 51.9 5 246 -54 22 21 42 22 45 40 22 20 31 22 46 51 -0.38 - 51 0 0 22 56 47 0 42 52.2 4 246 -55 22 44 49 23 8 46 22 43 38 23 9 58 -0.38 - 50 0 0 23 19 49 0 42 52.4 3 246 -56 23 7 50 23 31 48 23 6 39 23 32 59 -0.39 - 49 0 0 23 42 44 0 42 52.5 2 247 -57 23 30 46 23 54 43 23 29 35 23 55 55 -0.39 - 48 0 0 24 5 34 0 42 52.6 1 247 -58 23 53 36 24 17 33 23 52 25 24 18 44 -0.42 Uncertainty in time = +/- 1 secs Prediction of 2023 Jul 15.7 Data for the target star ------------------------ * name: TYC 6291-01766-1 * constellation : Sagittarius * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 19 09 59.5335 DE: -20 22 47.262 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 19 09 59.5332 DE: -20 22 47.262 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.100,0.100) * V mag [mag]: 11.9 * B mag [mag]: 12.3 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (1692) Subbotina asteroid class: approx. diameter [km]: 38 approx. diameter ["]: 0.020 distance from Earth [AU]: 2.67780 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#54 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): 0.011", 0.001", 82.93° remarks: * orbital elements for (1692)Subbotina : Mean anomaly = 357.4756847358 deg Arg. of pericenter = 111.8367416606 deg Long. of node = 199.5576792408 deg Inclination = 2.4269114889 deg Eccentricity = 0.1364453368 Semimajor axis = 2.7874873115 AU Perihelion dist = 2.4071476666 AU Mag: H = 11.37, G = 0.15 Epoch of elements : MJD 60619.02766724 TDT (2024 Nov 05.0277) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#542023Apr24,1.17,2024,11,5,0.664013,-0.032030,0.351070,18.385941,1.711919,0.005070,0.000719,-0.000001,0.000000 -126.8425,-20.3404,165.94,-15.77,False TYC 6291-01766-1,19.16653713,-20.3797948,12.29,11.87,11.64,0.0,0,,19.19079385,-20.3404030,4.61,4.39,0,0,0 1692,Subbotina,16.47,38.251,2.6778,0,0,4.294,5.63,,1.8,0 0,357.2580,2024,11,4,111.8367,199.5577,2.4269,0.13645,2.78749,2.40715,11.37,5.0,0.15 1.050,0.0110,0.0009,83,0.0010,Known errors,0.70,0,-1,-1 20241105_1766-1,60140.68 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 16:21 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org