IOTA/IOTA-ES occultation update for (8022) Scottcrossfield / TYC 6326-00047-1 event on 2024 Oct 30, 13:34 UT Visible from Summary ------- On 2024 Oct 30 UT, the 8.748 km diameter asteroid (8022) Scottcrossfield will occult a 11.7 mag star in the constellation Capricornus for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 6.99 mag to 18.70 mag (the magnitude of the asteroid) for at most 0.390 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: 99 * date and approx. time of event: 2024 Oct 30, 13:32 - 2024 Oct 30, 13:37 * geocentric midpoint of event [JD]: 2460614.06589179 * magnitude of target star: 11.71 * magnitude drop [mag]: 6.99 * estimated maximum duration [s]: 0.390 * Moon: 4 % sunlit, 104° distance * Sun: 82° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 18 * 1 sigma uncertainty interval [path widths]: +/- 0.17 * 1 sigma uncertainty interval [seconds]: +/- 0.9 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.013, +/- 0.003) * 1 sigma uncertainty ellipse (major, minor, PA): (0.013", 0.001", 75°) * approx speed of asteroid's shadow [km/s]: 22.3759 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 6326-00047-1 by 8022 Scottcrossfield on 2024 Oct 30 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 - 10 0 0 40 2 17 13 32 31.6 1 119 34 39 56 54 40 7 40 39 55 6 40 9 29 .... - 9 0 0 39 38 3 13 32 31.8 2 120 34 39 32 43 39 43 24 39 30 55 39 45 12 -1.07 - 8 0 0 39 14 34 13 32 32.1 2 120 34 39 9 17 39 19 53 39 7 30 39 21 40 -1.31 - 7 0 0 38 51 51 13 32 32.5 3 121 34 38 46 36 38 57 8 38 44 50 38 58 54 -1.43 - 6 0 0 38 29 55 13 32 33.0 4 122 34 38 24 42 38 35 9 38 22 56 38 36 55 -1.49 - 5 0 0 38 8 44 13 32 33.7 5 122 34 38 3 33 38 13 56 38 1 49 38 15 42 -1.54 - 4 0 0 37 48 20 13 32 34.5 6 123 34 37 43 11 37 53 30 37 41 28 37 55 15 -1.57 - 3 0 0 37 28 43 13 32 35.5 7 124 34 37 23 36 37 33 51 37 21 53 37 35 35 -1.59 - 2 0 0 37 9 52 13 32 36.5 8 124 34 37 4 47 37 14 59 37 3 4 37 16 42 -1.61 - 1 0 0 36 51 49 13 32 37.7 8 125 34 36 46 45 36 56 54 36 45 3 36 58 36 -1.62 0 0 0 36 34 33 13 32 39.0 9 125 33 36 29 31 36 39 36 36 27 49 36 41 18 -1.64 1 0 0 36 18 4 13 32 40.4 10 126 33 36 13 3 36 23 5 36 11 22 36 24 47 -1.65 2 0 0 36 2 22 13 32 42.0 11 127 33 35 57 23 36 7 22 35 55 42 36 9 3 -1.66 3 0 0 35 47 28 13 32 43.6 12 127 33 35 42 31 35 52 27 35 40 51 35 54 8 -1.66 4 0 0 35 33 22 13 32 45.4 12 128 32 35 28 26 35 38 20 35 26 46 35 40 0 -1.67 5 0 0 35 20 4 13 32 47.3 13 129 32 35 15 9 35 25 0 35 13 30 35 26 40 -1.68 6 0 0 35 7 34 13 32 49.3 14 129 32 35 2 40 35 12 29 35 1 1 35 14 9 -1.68 7 0 0 34 55 52 13 32 51.4 15 130 31 34 50 59 35 0 46 34 49 21 35 2 25 -1.69 8 0 0 34 44 59 13 32 53.6 15 131 31 34 40 7 34 49 52 34 38 28 34 51 30 -1.69 9 0 0 34 34 53 13 32 55.9 16 131 30 34 30 2 34 39 45 34 28 24 34 41 24 -1.69 10 0 0 34 25 36 13 32 58.3 17 132 30 34 20 46 34 30 27 34 19 8 34 32 6 -1.70 11 0 0 34 17 8 13 33 0.8 18 133 30 34 12 18 34 21 58 34 10 40 34 23 36 -1.70 12 0 0 34 9 28 13 33 3.4 18 134 29 34 4 39 34 14 18 34 3 1 34 15 55 -1.71 13 0 0 34 2 36 13 33 6.1 19 134 29 33 57 48 34 7 26 33 56 11 34 9 3 -1.71 14 0 0 33 56 34 13 33 9.0 20 135 28 33 51 46 34 1 22 33 50 9 34 3 0 -1.71 15 0 0 33 51 20 13 33 11.9 20 136 27 33 46 32 33 56 8 33 44 56 33 57 45 -1.71 16 0 0 33 46 55 13 33 14.8 21 137 27 33 42 8 33 51 43 33 40 31 33 53 20 -1.72 17 0 0 33 43 19 13 33 17.9 22 137 26 33 38 32 33 48 7 33 36 55 33 49 44 -1.72 18 0 0 33 40 32 13 33 21.1 22 138 26 33 35 45 33 45 19 33 34 9 33 46 56 -1.72 19 0 0 33 38 34 13 33 24.3 23 139 25 33 33 47 33 43 21 33 32 11 33 44 58 -1.72 20 0 0 33 37 25 13 33 27.6 23 140 24 33 32 38 33 42 12 33 31 2 33 43 49 -1.72 21 0 0 33 37 5 13 33 31.0 24 141 24 33 32 18 33 41 52 33 30 42 33 43 29 -1.73 22 0 0 33 37 34 13 33 34.5 24 141 23 33 32 47 33 42 21 33 31 11 33 43 58 -1.73 23 0 0 33 38 53 13 33 38.0 25 142 22 33 34 6 33 43 40 33 32 29 33 45 17 -1.73 24 0 0 33 41 1 13 33 41.6 25 143 22 33 36 14 33 45 49 33 34 37 33 47 26 -1.73 25 0 0 33 43 58 13 33 45.3 26 144 21 33 39 10 33 48 46 33 37 34 33 50 23 -1.73 26 0 0 33 47 44 13 33 49.0 26 145 20 33 42 56 33 52 33 33 41 20 33 54 10 -1.73 27 0 0 33 52 20 13 33 52.8 27 146 19 33 47 32 33 57 9 33 45 55 33 58 46 -1.74 28 0 0 33 57 45 13 33 56.7 27 147 19 33 52 56 34 2 34 33 51 19 34 4 12 -1.74 29 0 0 34 3 59 13 34 0.6 27 148 18 33 59 10 34 8 49 33 57 33 34 10 27 -1.74 30 0 0 34 11 3 13 34 4.5 28 149 17 34 6 13 34 15 53 34 4 35 34 17 32 -1.74 31 0 0 34 18 56 13 34 8.5 28 150 16 34 14 5 34 23 47 34 12 27 34 25 26 -1.74 32 0 0 34 27 38 13 34 12.6 28 151 16 34 22 47 34 32 30 34 21 9 34 34 9 -1.74 33 0 0 34 37 10 13 34 16.7 29 152 15 34 32 17 34 42 3 34 30 39 34 43 42 -1.74 34 0 0 34 47 31 13 34 20.8 29 153 14 34 42 38 34 52 26 34 40 59 34 54 5 -1.74 35 0 0 34 58 43 13 34 25.0 29 154 13 34 53 48 35 3 38 34 52 9 35 5 17 -1.74 36 0 0 35 10 43 13 34 29.1 29 155 12 35 5 47 35 15 39 35 4 8 35 17 19 -1.74 37 0 0 35 23 32 13 34 33.4 29 156 11 35 18 35 35 28 30 35 16 56 35 30 10 -1.75 38 0 0 35 37 12 13 34 37.6 30 157 11 35 32 13 35 42 11 35 30 33 35 43 52 -1.75 39 0 0 35 51 40 13 34 41.9 30 158 10 35 46 41 35 56 41 35 45 0 35 58 22 -1.75 40 0 0 36 6 58 13 34 46.2 30 159 9 36 1 57 36 12 0 36 0 16 36 13 42 -1.75 41 0 0 36 23 5 13 34 50.5 30 160 8 36 18 2 36 28 9 36 16 21 36 29 51 -1.75 42 0 0 36 40 1 13 34 54.8 30 161 7 36 34 57 36 45 7 36 33 15 36 46 50 -1.75 43 0 0 36 57 47 13 34 59.1 30 163 6 36 52 40 37 2 54 36 50 58 37 4 37 -1.75 44 0 0 37 16 21 13 35 3.4 30 164 5 37 11 13 37 21 29 37 9 29 37 23 14 -1.75 45 0 0 37 35 44 13 35 7.7 30 165 5 37 30 34 37 40 54 37 28 49 37 42 39 -1.75 46 0 0 37 55 55 13 35 12.0 29 166 4 37 50 43 38 1 8 37 48 58 38 2 54 -1.75 47 0 0 38 16 56 13 35 16.3 29 167 3 38 11 41 38 22 11 38 9 56 38 23 57 -1.75 48 0 0 38 38 44 13 35 20.6 29 168 2 38 33 28 38 44 2 38 31 42 38 45 49 -1.75 49 0 0 39 1 22 13 35 24.9 29 169 1 38 56 3 39 6 42 38 54 16 39 8 29 -1.75 50 0 0 39 24 47 13 35 29.1 29 170 0 39 19 26 39 30 10 39 17 38 39 31 58 -1.75 51 0 0 39 49 0 13 35 33.4 28 171 -1 39 43 36 39 54 25 39 41 47 39 56 15 -1.75 52 0 0 40 14 0 13 35 37.5 28 173 -2 40 8 33 40 19 27 40 6 44 40 21 18 -1.75 53 0 0 40 39 46 13 35 41.7 28 174 -2 40 34 17 40 45 17 40 32 26 40 47 8 -1.75 54 0 0 41 6 20 13 35 45.8 27 175 -3 41 0 48 41 11 53 40 58 56 41 13 46 -1.75 55 0 0 41 33 40 13 35 49.9 27 176 -4 41 28 5 41 39 17 41 26 13 41 41 10 -1.75 56 0 0 42 1 47 13 35 53.9 27 177 -5 41 56 9 42 7 27 41 54 15 42 9 21 -1.75 57 0 0 42 30 39 13 35 57.9 26 178 -6 42 24 58 42 36 22 42 23 3 42 38 18 -1.75 58 0 0 43 0 17 13 36 1.8 26 179 -7 42 54 31 43 6 3 42 52 36 43 8 0 -1.75 59 0 0 43 30 39 13 36 5.7 25 180 -8 43 24 50 43 36 29 43 22 53 43 38 27 -1.75 60 0 0 44 1 45 13 36 9.5 25 181 -8 43 55 52 44 7 39 43 53 54 44 9 38 -1.75 61 0 0 44 33 35 13 36 13.2 24 182 -9 44 27 38 44 39 32 44 25 39 44 41 33 -1.75 62 0 0 45 6 7 13 36 16.8 24 183 -10 45 0 7 45 12 9 44 58 6 45 14 11 -1.75 63 0 0 45 39 22 13 36 20.4 23 184 -11 45 33 18 45 45 28 45 31 16 45 47 32 -1.75 64 0 0 46 13 19 13 36 23.9 22 185 -12 46 7 10 46 19 29 46 5 6 46 21 34 -1.75 65 0 0 46 47 56 13 36 27.3 22 186 -12 46 41 43 46 54 11 46 39 38 46 56 18 -1.76 66 0 0 47 23 14 13 36 30.6 21 187 -13 47 16 56 47 29 33 47 14 49 47 31 41 -1.76 67 0 0 47 59 10 13 36 33.8 20 188 -14 47 52 47 48 5 34 47 50 39 48 7 44 -1.76 68 0 0 48 35 44 13 36 36.9 20 189 -15 48 29 17 48 42 14 48 27 7 48 44 25 -1.76 69 0 0 49 12 56 13 36 39.9 19 190 -15 49 6 23 49 19 31 49 4 11 49 21 44 -1.76 70 0 0 49 50 44 13 36 42.7 18 191 -16 49 44 6 49 57 24 49 41 52 49 59 39 -1.76 71 0 0 50 29 6 13 36 45.5 17 192 -17 50 22 23 50 35 52 50 20 7 50 38 9 -1.76 72 0 0 51 8 3 13 36 48.2 17 193 -17 51 1 13 51 14 54 50 58 56 51 17 13 -1.76 73 0 0 51 47 32 13 36 50.7 16 194 -18 51 40 36 51 54 29 51 38 17 51 56 50 -1.76 74 0 0 52 27 31 13 36 53.1 15 195 -19 52 20 30 52 34 35 52 18 8 52 36 58 -1.77 75 0 0 53 8 1 13 36 55.4 14 196 -19 53 0 53 53 15 11 52 58 29 53 17 36 -1.77 76 0 0 53 48 58 13 36 57.6 13 197 -20 53 41 44 53 56 15 53 39 18 53 58 43 -1.77 77 0 0 54 30 22 13 36 59.6 13 197 -20 54 23 1 54 37 46 54 20 33 54 40 16 -1.77 78 0 0 55 12 11 13 37 1.5 12 198 -21 55 4 43 55 19 41 55 2 12 55 22 14 -1.77 79 0 0 55 54 22 13 37 3.3 11 199 -21 55 46 47 56 2 0 55 44 14 56 4 35 -1.78 80 0 0 56 36 54 13 37 4.9 10 200 -22 56 29 12 56 44 40 56 26 37 56 47 18 -1.78 81 0 0 57 19 46 13 37 6.4 9 201 -22 57 11 56 57 27 39 57 9 18 57 30 19 -1.79 82 0 0 58 2 54 13 37 7.8 8 202 -23 57 54 56 58 10 55 57 52 16 58 13 38 -1.79 83 0 0 58 46 17 13 37 9.0 7 203 -23 58 38 11 58 54 27 58 35 28 58 57 12 -1.80 84 0 0 59 29 52 13 37 10.0 7 204 -23 59 21 38 59 38 10 59 18 52 59 40 59 -1.81 85 0 0 60 13 37 13 37 11.0 6 205 -24 60 5 14 60 22 4 60 2 25 60 24 55 -1.82 86 0 0 60 57 29 13 37 11.8 5 205 -24 60 48 57 61 6 4 60 46 6 61 8 59 -1.83 87 0 0 61 41 25 13 37 12.4 4 206 -24 61 32 45 61 50 10 61 29 51 61 53 8 -1.85 88 0 0 62 25 24 13 37 12.9 3 207 -24 62 16 35 62 34 18 62 13 37 62 37 19 -1.88 89 0 0 63 9 21 13 37 13.3 2 208 -25 63 0 23 63 18 24 62 57 23 63 21 28 -1.94 90 0 0 63 53 14 13 37 13.6 1 209 -25 63 44 7 64 2 27 63 41 3 64 5 34 -2.06 91 0 0 64 37 0 13 37 13.7 0 210 -25 64 27 43 64 46 22 64 24 37 64 49 33 -2.60 Uncertainty in time = +/- 1 secs Prediction of 2023 Jul 15.7 Data for the target star ------------------------ * name: TYC 6326-00047-1 * constellation : Capricornus * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 20 07 43.5661 DE: -21 32 13.569 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 20 07 43.5660 DE: -21 32 13.569 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.100,0.100) * V mag [mag]: 11.7 * B mag [mag]: 12.2 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (8022) Scottcrossfield asteroid class: approx. diameter [km]: 9 approx. diameter ["]: 0.005 distance from Earth [AU]: 2.19980 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#47 date of fit: 2023 Apr 25 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): 0.013", 0.001", 75.401° remarks: * orbital elements for (8022)Scottcrossfield : Mean anomaly = 71.1391488182 deg Arg. of pericenter = 266.8658560918 deg Long. of node = 346.5048737573 deg Inclination = 3.4168206319 deg Eccentricity = 0.0038300794 Semimajor axis = 2.2902351007 AU Perihelion dist = 2.2814633186 AU Mag: H = 14.02, G = 0.15 Epoch of elements : MJD 60613.56589151 TDT (2024 Oct 30.5659) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#472023Apr25,0.39,2024,10,30,13.581403,-0.243347,0.831724,12.121151,3.547403,0.005464,0.001171,0.000000,0.000000 59.2127,-21.4663,-27.81,-14.05,False TYC 6326-00047-1,20.12876841,-21.5371024,12.17,11.71,11.46,0.0,0,,20.15297244,-21.4662912,6.99,6.79,0,0,0 8022,Scottcrossfield,18.70,8.748,2.1998,0,0,3.471,14.18,,0.8,0 0,70.9782,2024,10,30,266.8659,346.5049,3.4168,0.00383,2.29024,2.28146,14.02,5.0,0.15 1.168,0.0130,0.0008,75,0.0009,Known errors,0.93,0,-1,-1 20241030_0047-1,60140.67 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 16:03 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org