IOTA/IOTA-ES occultation update for (1073) Gellivara / TYC 6845-01072-1 event on 2024 Sep 22, 09:38 UT Visible from Summary ------- On 2024 Sep 22 UT, the 27.1229216034609 km diameter asteroid (1073) Gellivara 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 5.09 mag to 16.97 mag (the magnitude of the asteroid) for at most 1.510 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 Sep 22, 09:34 - 2024 Sep 22, 09:41 * geocentric midpoint of event [JD]: 2460575.90144284 * magnitude of target star: 11.89 * magnitude drop [mag]: 5.09 * estimated maximum duration [s]: 1.510 * Moon: 76 % sunlit, 149° distance * Sun: 89° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 55 * 1 sigma uncertainty interval [path widths]: +/- 0.09 * 1 sigma uncertainty interval [seconds]: +/- 2.4 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.024, +/- 0.001) * 1 sigma uncertainty ellipse (major, minor, PA): (0.024", 0.001", 92°) * approx speed of asteroid's shadow [km/s]: 18.1057 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 6845-01072-1 by 1073 Gellivara on 2024 Sep 22 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 69 0 0 51 5 41 9 35 10.0 0 132 31 50 45 51 .. .. .. 50 42 12 .. .. .. .... 70 0 0 50 31 22 9 35 10.0 1 133 31 50 11 45 50 51 14 50 8 8 50 54 58 -0.57 71 0 0 49 57 28 9 35 10.3 2 134 31 49 38 4 50 17 8 49 34 29 50 20 49 -1.12 72 0 0 49 24 2 9 35 10.6 3 135 31 49 4 50 49 43 29 49 1 18 49 47 8 -1.32 73 0 0 48 51 5 9 35 11.2 3 135 31 48 32 5 49 10 19 48 28 34 49 13 56 -1.42 74 0 0 48 18 37 9 35 11.9 4 136 31 47 59 48 48 37 39 47 56 19 48 41 13 -1.48 75 0 0 47 46 39 9 35 12.8 5 137 31 47 28 1 48 5 30 47 24 35 48 9 2 -1.52 76 0 0 47 15 12 9 35 13.8 6 138 31 46 56 45 47 33 52 46 53 21 47 37 22 -1.55 77 0 0 46 44 18 9 35 14.9 7 138 30 46 26 2 47 2 47 46 22 39 47 6 14 -1.57 78 0 0 46 13 57 9 35 16.3 8 139 30 45 55 51 46 32 15 45 52 30 46 35 40 -1.59 79 0 0 45 44 9 9 35 17.8 9 140 30 45 26 13 46 2 17 45 22 54 46 5 41 -1.61 80 0 0 45 14 56 9 35 19.4 9 141 30 44 57 10 45 32 55 44 53 53 45 36 16 -1.62 81 0 0 44 46 19 9 35 21.2 10 141 29 44 28 43 45 4 8 44 25 27 45 7 28 -1.63 82 0 0 44 18 19 9 35 23.1 11 142 29 44 0 51 44 35 58 43 57 38 44 39 16 -1.64 83 0 0 43 50 55 9 35 25.2 12 143 29 43 33 36 44 8 25 43 30 24 44 11 42 -1.65 84 0 0 43 24 9 9 35 27.4 13 144 28 43 6 58 43 41 30 43 3 48 43 44 45 -1.65 85 0 0 42 58 1 9 35 29.8 13 144 28 42 40 59 43 15 14 42 37 50 43 18 27 -1.66 86 0 0 42 32 32 9 35 32.3 14 145 27 42 15 38 42 49 36 42 12 30 42 52 48 -1.66 87 0 0 42 7 42 9 35 34.9 15 146 27 41 50 55 42 24 39 41 47 49 42 27 49 -1.67 88 0 0 41 43 32 9 35 37.7 16 147 26 41 26 53 42 0 22 41 23 48 42 3 30 -1.67 89 0 0 41 20 2 9 35 40.6 16 148 26 41 3 30 41 36 45 41 0 26 41 39 52 -1.68 90 0 0 40 57 13 9 35 43.6 17 148 25 40 40 47 41 13 48 40 37 45 41 16 55 -1.68 91 0 0 40 35 5 9 35 46.8 18 149 25 40 18 46 40 51 34 40 15 45 40 54 39 -1.69 92 0 0 40 13 39 9 35 50.1 19 150 24 39 57 26 40 30 1 39 54 26 40 33 5 -1.69 93 0 0 39 52 54 9 35 53.5 19 151 23 39 36 47 40 9 10 39 33 48 40 12 13 -1.69 94 0 0 39 32 52 9 35 57.0 20 152 23 39 16 50 39 49 2 39 13 52 39 52 3 -1.69 95 0 0 39 13 32 9 36 0.6 21 153 22 38 57 36 39 29 36 38 54 39 39 32 36 -1.70 96 0 0 38 54 55 9 36 4.3 21 153 22 38 39 4 39 10 54 38 36 8 39 13 53 -1.70 97 0 0 38 37 1 9 36 8.2 22 154 21 38 21 16 38 52 55 38 18 21 38 55 53 -1.70 98 0 0 38 19 51 9 36 12.1 22 155 20 38 4 10 38 35 40 38 1 16 38 38 37 -1.71 99 0 0 38 3 25 9 36 16.1 23 156 20 37 47 49 38 19 9 37 44 55 38 22 5 -1.71 100 0 0 37 47 42 9 36 20.2 24 157 19 37 32 11 38 3 22 37 29 18 38 6 18 -1.71 101 0 0 37 32 44 9 36 24.4 24 158 18 37 17 16 37 48 20 37 14 25 37 51 14 -1.71 102 0 0 37 18 30 9 36 28.7 25 159 17 37 3 6 37 34 2 37 0 15 37 36 56 -1.71 103 0 0 37 5 1 9 36 33.1 25 160 17 36 49 41 37 20 29 36 46 51 37 23 22 -1.72 104 0 0 36 52 17 9 36 37.5 26 161 16 36 37 0 37 7 41 36 34 10 37 10 34 -1.72 105 0 0 36 40 17 9 36 42.1 26 162 15 36 25 3 36 55 38 36 22 14 36 58 30 -1.72 106 0 0 36 29 2 9 36 46.7 26 162 14 36 13 52 36 44 20 36 11 3 36 47 12 -1.72 107 0 0 36 18 33 9 36 51.3 27 163 14 36 3 25 36 33 48 36 0 37 36 36 39 -1.72 108 0 0 36 8 49 9 36 56.0 27 164 13 35 53 43 36 24 1 35 50 56 36 26 51 -1.73 109 0 0 35 59 50 9 37 0.8 28 165 12 35 44 47 36 15 0 35 42 0 36 17 50 -1.73 110 0 0 35 51 37 9 37 5.6 28 166 11 35 36 36 36 6 44 35 33 49 36 9 34 -1.73 111 0 0 35 44 9 9 37 10.5 28 167 10 35 29 10 35 59 14 35 26 24 36 2 4 -1.73 112 0 0 35 37 27 9 37 15.4 29 168 10 35 22 30 35 52 30 35 19 44 35 55 19 -1.73 113 0 0 35 31 30 9 37 20.4 29 170 9 35 16 35 35 46 33 35 13 49 35 49 21 -1.73 114 0 0 35 26 20 9 37 25.4 29 171 8 35 11 26 35 41 21 35 8 40 35 44 9 -1.73 115 0 0 35 21 55 9 37 30.4 29 172 7 35 7 2 35 36 55 35 4 17 35 39 43 -1.74 116 0 0 35 18 17 9 37 35.4 29 173 6 35 3 25 35 33 15 35 0 39 35 36 3 -1.74 117 0 0 35 15 24 9 37 40.5 30 174 6 35 0 32 35 30 22 34 57 47 35 33 10 -1.74 118 0 0 35 13 17 9 37 45.6 30 175 5 34 58 26 35 28 14 34 55 41 35 31 2 -1.74 119 0 0 35 11 56 9 37 50.7 30 176 4 34 57 6 35 26 53 34 54 21 35 29 41 -1.74 120 0 0 35 11 21 9 37 55.9 30 177 3 34 56 31 35 26 18 34 53 46 35 29 6 -1.74 121 0 0 35 11 33 9 38 1.0 30 178 2 34 56 42 35 26 30 34 53 57 35 29 17 -1.74 122 0 0 35 12 30 9 38 6.1 30 179 1 34 57 39 35 27 27 34 54 54 35 30 15 -1.74 123 0 0 35 14 13 9 38 11.3 30 180 1 34 59 22 35 29 11 34 56 37 35 31 59 -1.74 124 0 0 35 16 43 9 38 16.4 30 181 0 35 1 51 35 31 41 34 59 6 35 34 29 -1.74 125 0 0 35 19 58 9 38 21.5 30 182 -1 35 5 5 35 34 57 35 2 20 35 37 45 -1.74 126 0 0 35 23 59 9 38 26.6 30 183 -2 35 9 6 35 39 0 35 6 20 35 41 48 -1.74 127 0 0 35 28 47 9 38 31.7 29 184 -3 35 13 52 35 43 48 35 11 6 35 46 37 -1.74 128 0 0 35 34 20 9 38 36.8 29 185 -4 35 19 23 35 49 23 35 16 37 35 52 12 -1.75 129 0 0 35 40 39 9 38 41.9 29 186 -4 35 25 41 35 55 44 35 22 55 35 58 33 -1.75 130 0 0 35 47 44 9 38 46.9 29 187 -5 35 32 44 36 2 51 35 29 57 36 5 40 -1.75 131 0 0 35 55 34 9 38 51.9 29 189 -6 35 40 32 36 10 43 35 37 45 36 13 33 -1.75 132 0 0 36 4 11 9 38 56.8 28 190 -7 35 49 6 36 19 22 35 46 19 36 22 12 -1.75 133 0 0 36 13 32 9 39 1.7 28 191 -8 35 58 26 36 28 46 35 55 38 36 31 37 -1.75 134 0 0 36 23 40 9 39 6.6 28 192 -9 36 8 30 36 38 56 36 5 42 36 41 47 -1.75 135 0 0 36 34 32 9 39 11.4 27 193 -9 36 19 20 36 49 52 36 16 31 36 52 44 -1.75 136 0 0 36 46 10 9 39 16.1 27 194 -10 36 30 54 37 1 33 36 28 5 37 4 25 -1.75 137 0 0 36 58 32 9 39 20.8 27 195 -11 36 43 14 37 13 59 36 40 24 37 16 52 -1.75 138 0 0 37 11 40 9 39 25.5 26 196 -12 36 56 18 37 27 10 36 53 27 37 30 4 -1.75 139 0 0 37 25 33 9 39 30.0 26 197 -12 37 10 6 37 41 7 37 7 15 37 44 1 -1.75 140 0 0 37 40 10 9 39 34.5 25 197 -13 37 24 40 37 55 48 37 21 47 37 58 43 -1.75 141 0 0 37 55 31 9 39 38.9 25 198 -14 37 39 57 38 11 14 37 37 4 38 14 10 -1.75 142 0 0 38 11 37 9 39 43.3 24 199 -15 37 55 59 38 27 24 37 53 5 38 30 21 -1.75 143 0 0 38 28 28 9 39 47.5 24 200 -15 38 12 44 38 44 20 38 9 50 38 47 18 -1.75 144 0 0 38 46 2 9 39 51.7 23 201 -16 38 30 13 39 1 59 38 27 18 39 4 58 -1.75 145 0 0 39 4 19 9 39 55.8 23 202 -17 38 48 25 39 20 21 38 45 29 39 23 21 -1.75 146 0 0 39 23 19 9 39 59.8 22 203 -17 39 7 20 39 39 27 39 4 22 39 42 28 -1.75 147 0 0 39 43 2 9 40 3.6 21 204 -18 39 26 57 39 59 16 39 23 59 40 2 18 -1.75 148 0 0 40 3 28 9 40 7.4 21 205 -19 39 47 17 40 19 47 39 44 18 40 22 51 -1.75 149 0 0 40 24 36 9 40 11.1 20 206 -19 40 8 19 40 41 2 40 5 18 40 44 6 -1.75 150 0 0 40 46 26 9 40 14.7 19 206 -20 40 30 3 41 2 59 40 27 1 41 6 4 -1.75 151 0 0 41 8 58 9 40 18.1 19 207 -21 40 52 28 41 25 37 40 49 24 41 28 44 -1.75 152 0 0 41 32 10 9 40 21.4 18 208 -21 41 15 33 41 48 57 41 12 29 41 52 5 -1.75 153 0 0 41 56 4 9 40 24.6 17 209 -22 41 39 20 42 12 58 41 36 14 42 16 7 -1.75 154 0 0 42 20 37 9 40 27.7 17 210 -22 42 3 46 42 37 39 42 0 38 42 40 50 -1.75 155 0 0 42 45 51 9 40 30.7 16 211 -23 42 28 51 43 3 0 42 25 43 43 6 13 -1.75 156 0 0 43 11 43 9 40 33.5 15 211 -23 42 54 35 43 29 1 42 51 25 43 32 15 -1.75 157 0 0 43 38 14 9 40 36.2 14 212 -24 43 20 58 43 55 41 43 17 47 43 58 57 -1.75 158 0 0 44 5 23 9 40 38.8 14 213 -24 43 47 59 44 22 59 43 44 46 44 26 16 -1.76 159 0 0 44 33 10 9 40 41.2 13 214 -25 44 15 36 44 50 54 44 12 22 44 54 14 -1.76 160 0 0 45 1 33 9 40 43.5 12 215 -25 44 43 50 45 19 27 44 40 34 45 22 48 -1.76 161 0 0 45 30 32 9 40 45.6 11 215 -26 45 12 40 45 48 36 45 9 22 45 51 59 -1.76 162 0 0 46 0 7 9 40 47.6 10 216 -26 45 42 5 46 18 21 45 38 45 46 21 46 -1.76 163 0 0 46 30 16 9 40 49.4 10 217 -26 46 12 4 46 48 41 46 8 42 46 52 8 -1.77 164 0 0 47 0 59 9 40 51.1 9 218 -27 46 42 36 47 19 34 46 39 12 47 23 3 -1.77 165 0 0 47 32 14 9 40 52.6 8 218 -27 47 13 41 47 51 1 47 10 15 47 54 32 -1.78 166 0 0 48 4 2 9 40 54.0 7 219 -27 47 45 17 48 23 0 47 41 49 48 26 33 -1.78 167 0 0 48 36 20 9 40 55.2 6 220 -27 48 17 24 48 55 30 48 13 55 48 59 6 -1.79 168 0 0 49 9 8 9 40 56.3 5 221 -28 48 50 1 49 28 31 48 46 29 49 32 9 -1.80 169 0 0 49 42 26 9 40 57.2 5 222 -28 49 23 6 50 2 1 49 19 32 50 5 41 -1.81 170 0 0 50 16 11 9 40 58.0 4 222 -28 49 56 39 50 35 59 49 53 2 50 39 41 -1.83 171 0 0 50 50 22 9 40 58.6 3 223 -28 50 30 38 51 10 24 50 26 59 51 14 9 -1.86 172 0 0 51 25 0 9 40 59.0 2 224 -28 51 5 2 51 45 15 51 1 21 51 49 3 -1.91 173 0 0 52 0 1 9 40 59.3 1 225 -28 51 39 50 52 20 30 51 36 7 52 24 20 -2.05 174 0 0 52 35 25 9 40 59.4 0 225 -28 52 15 0 52 56 8 52 11 14 53 0 1 -2.82 Uncertainty in time = +/- 2 secs Prediction of 2023 Jul 15.6 Data for the target star ------------------------ * name: TYC 6845-01072-1 * constellation : Sagittarius * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 17 55 18.8092 DE: -25 03 43.008 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 17 55 18.8092 DE: -25 03 43.008 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.100) * V mag [mag]: 11.9 * B mag [mag]: 12.8 * Diameter [mas]: 0.10 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (1073) Gellivara asteroid class: approx. diameter [km]: 27 approx. diameter ["]: 0.015 distance from Earth [AU]: 2.49670 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#62 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): 0.024", 0.001", 91.708° remarks: * orbital elements for (1073)Gellivara : Mean anomaly = 333.5204538066 deg Arg. of pericenter = 289.8387408948 deg Long. of node = 39.5325854193 deg Inclination = 1.5978456034 deg Eccentricity = 0.1869406459 Semimajor axis = 3.1850553790 AU Perihelion dist = 2.5896390691 AU Mag: H = 11.79, G = 0.15 Epoch of elements : MJD 60575.40144237 TDT (2024 Sep 22.4014) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#622023Apr24,1.51,2024,9,22,9.634628,-0.017608,0.865757,10.217259,0.206036,0.005649,-0.000035,0.000000,0.000000 122.9449,-25.0671,33.63,0.05,False TYC 6845-01072-1,17.92189148,-25.0619466,12.78,11.89,11.41,0.1,0,,17.94724230,-25.0671129,5.09,5.12,0,0,1 1073,Gellivara,16.97,27.304,2.4967,0,0,2.649,0.73,,2.0,0 0,333.4508,2024,9,22,289.8387,39.5326,1.5978,0.18694,3.18506,2.58964,11.78,5.0,0.15 1.093,0.0243,0.0007,92,0.0014,Known errors,0.88,0,-1,-1 20240922_1072-1,60140.58 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 13:52 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org