IOTA/IOTA-ES occultation update for (5105) Westerhout / UCAC4 556-017022 event on 2024 Sep 05, 12:00 UT Visible from Summary ------- On 2024 Sep 05 UT, the 10.5391328953699 km diameter asteroid (5105) Westerhout will occult a 10.7 mag star in the constellation Taurus for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 6.09 mag to 16.81 mag (the magnitude of the asteroid) for at most 0.430 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: 95 * date and approx. time of event: 2024 Sep 05, 11:55 - 2024 Sep 05, 12:04 * geocentric midpoint of event [JD]: 2460559.00003758 * magnitude of target star: 10.72 * magnitude drop [mag]: 6.09 * estimated maximum duration [s]: 0.430 * Moon: 5 % sunlit, 106° distance * Sun: 79° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 11 * 1 sigma uncertainty interval [path widths]: +/- 0.43 * 1 sigma uncertainty interval [seconds]: +/- 1.1 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.017, +/- 0.003) * 1 sigma uncertainty ellipse (major, minor, PA): (0.017", 0.003", 96°) * approx speed of asteroid's shadow [km/s]: 24.7810 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of UCAC4 556-017022 by 5105 Westerhout on 2024 Sep 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 -177 0 0 18 55 39 11 55 50.3 0 68 -65 18 52 28 18 58 51 18 49 41 19 1 38 .... -176 0 0 19 19 0 11 55 50.4 2 68 -64 19 15 49 19 22 12 19 13 2 19 24 59 -0.22 -175 0 0 19 42 9 11 55 50.5 3 68 -64 19 38 58 19 45 20 19 36 11 19 48 7 -0.21 -174 0 0 20 5 4 11 55 50.8 4 69 -63 20 1 53 20 8 15 19 59 7 20 11 2 -0.20 -173 0 0 20 27 46 11 55 51.1 5 69 -62 20 24 36 20 30 57 20 21 49 20 33 44 -0.20 -172 0 0 20 50 15 11 55 51.5 6 69 -62 20 47 4 20 53 25 20 44 18 20 56 11 -0.20 -171 0 0 21 12 29 11 55 52.0 7 70 -61 21 9 18 21 15 39 21 6 33 21 18 25 -0.20 -170 0 0 21 34 28 11 55 52.6 8 70 -61 21 31 18 21 37 38 21 28 32 21 40 24 -0.20 -169 0 0 21 56 13 11 55 53.2 9 71 -60 21 53 3 21 59 23 21 50 17 22 2 8 -0.20 -168 0 0 22 17 42 11 55 54.0 10 71 -59 22 14 32 22 20 51 22 11 47 22 23 37 -0.20 -167 0 0 22 38 55 11 55 54.8 11 71 -59 22 35 45 22 42 4 22 33 0 22 44 49 -0.20 -166 0 0 22 59 52 11 55 55.6 12 72 -58 22 56 43 23 3 1 22 53 58 23 5 46 -0.20 -165 0 0 23 20 32 11 55 56.6 13 72 -57 23 17 23 23 23 41 23 14 39 23 26 26 -0.20 -164 0 0 23 40 56 11 55 57.6 14 73 -56 23 37 47 23 44 5 23 35 3 23 46 49 -0.20 -163 0 0 24 1 3 11 55 58.7 14 73 -56 23 57 54 24 4 11 23 55 10 24 6 55 -0.20 -162 0 0 24 20 52 11 55 59.8 15 73 -55 24 17 44 24 24 0 24 15 0 24 26 44 -0.19 -161 0 0 24 40 23 11 56 1.0 16 74 -54 24 37 15 24 43 31 24 34 32 24 46 15 -0.19 -160 0 0 24 59 36 11 56 2.3 17 74 -53 24 56 29 25 2 44 24 53 46 25 5 27 -0.19 -159 0 0 25 18 32 11 56 3.7 18 75 -53 25 15 24 25 21 39 25 12 41 25 24 22 -0.19 -158 0 0 25 37 8 11 56 5.1 19 75 -52 25 34 1 25 40 15 25 31 18 25 42 58 -0.19 -157 0 0 25 55 26 11 56 6.6 20 76 -51 25 52 19 25 58 33 25 49 37 26 1 15 -0.19 -156 0 0 26 13 25 11 56 8.1 21 76 -50 26 10 19 26 16 31 26 7 36 26 19 14 -0.19 -155 0 0 26 31 5 11 56 9.8 22 77 -49 26 27 59 26 34 11 26 25 17 26 36 53 -0.19 -154 0 0 26 48 25 11 56 11.4 23 77 -49 26 45 19 26 51 31 26 42 37 26 54 13 -0.19 -153 0 0 27 5 26 11 56 13.1 24 78 -48 27 2 20 27 8 31 26 59 39 27 11 13 -0.19 -152 0 0 27 22 7 11 56 14.9 25 78 -47 27 19 2 27 25 12 27 16 20 27 27 54 -0.19 -151 0 0 27 38 28 11 56 16.8 26 79 -46 27 35 23 27 41 33 27 32 42 27 44 14 -0.19 -150 0 0 27 54 29 11 56 18.7 27 79 -45 27 51 25 27 57 34 27 48 44 28 0 15 -0.19 -149 0 0 28 10 10 11 56 20.6 28 80 -45 28 7 6 28 13 15 28 4 25 28 15 55 -0.19 -148 0 0 28 25 31 11 56 22.6 29 80 -44 28 22 27 28 28 35 28 19 47 28 31 16 -0.19 -147 0 0 28 40 31 11 56 24.7 30 81 -43 28 37 27 28 43 35 28 34 47 28 46 15 -0.19 -146 0 0 28 55 11 11 56 26.8 31 81 -42 28 52 7 28 58 14 28 49 28 29 0 54 -0.19 -145 0 0 29 9 30 11 56 28.9 31 82 -41 29 6 27 29 12 33 29 3 47 29 15 13 -0.19 -144 0 0 29 23 28 11 56 31.1 32 82 -41 29 20 25 29 26 31 29 17 46 29 29 11 -0.19 -143 0 0 29 37 6 11 56 33.4 33 83 -40 29 34 3 29 40 8 29 31 24 29 42 47 -0.19 -142 0 0 29 50 22 11 56 35.7 34 83 -39 29 47 20 29 53 24 29 44 41 29 56 3 -0.19 -141 0 0 30 3 18 11 56 38.0 35 84 -38 30 0 16 30 6 20 29 57 37 30 8 58 -0.19 -140 0 0 30 15 52 11 56 40.4 36 85 -37 30 12 50 30 18 54 30 10 12 30 21 32 -0.19 -139 0 0 30 28 5 11 56 42.8 37 85 -36 30 25 4 30 31 7 30 22 26 30 33 45 -0.19 -138 0 0 30 39 57 11 56 45.3 38 86 -36 30 36 56 30 42 59 30 34 18 30 45 37 -0.19 -137 0 0 30 51 28 11 56 47.8 39 86 -35 30 48 27 30 54 29 30 45 50 30 57 7 -0.19 -136 0 0 31 2 38 11 56 50.4 39 87 -34 30 59 37 31 5 39 30 57 0 31 8 16 -0.19 -135 0 0 31 13 26 11 56 53.0 40 88 -33 31 10 26 31 16 27 31 7 48 31 19 4 -0.19 -134 0 0 31 23 53 11 56 55.6 41 88 -32 31 20 53 31 26 54 31 18 16 31 29 31 -0.19 -133 0 0 31 33 59 11 56 58.3 42 89 -32 31 30 59 31 36 59 31 28 22 31 39 36 -0.19 -132 0 0 31 43 43 11 57 1.0 43 90 -31 31 40 43 31 46 43 31 38 6 31 49 20 -0.19 -131 0 0 31 53 6 11 57 3.7 44 90 -30 31 50 6 31 56 5 31 47 30 31 58 42 -0.19 -130 0 0 32 2 7 11 57 6.5 45 91 -29 31 59 8 32 5 7 31 56 31 32 7 43 -0.19 -129 0 0 32 10 47 11 57 9.3 45 92 -28 32 7 48 32 13 46 32 5 12 32 16 23 -0.19 -128 0 0 32 19 5 11 57 12.2 46 92 -27 32 16 7 32 22 4 32 13 31 32 24 41 -0.19 -127 0 0 32 27 2 11 57 15.1 47 93 -27 32 24 4 32 30 1 32 21 28 32 32 37 -0.19 -126 0 0 32 34 38 11 57 18.0 48 94 -26 32 31 39 32 37 37 32 29 4 32 40 12 -0.19 -125 0 0 32 41 52 11 57 20.9 49 95 -25 32 38 53 32 44 50 32 36 18 32 47 26 -0.19 -124 0 0 32 48 44 11 57 23.9 50 95 -24 32 45 46 32 51 43 32 43 11 32 54 18 -0.19 -123 0 0 32 55 15 11 57 26.9 51 96 -23 32 52 17 32 58 13 32 49 42 33 0 49 -0.19 -122 0 0 33 1 25 11 57 30.0 51 97 -23 32 58 27 33 4 23 32 55 52 33 6 58 -0.19 -121 0 0 33 7 13 11 57 33.0 52 98 -22 33 4 15 33 10 11 33 1 40 33 12 46 -0.19 -120 0 0 33 12 39 11 57 36.1 53 99 -21 33 9 42 33 15 37 33 7 7 33 18 12 -0.19 -119 0 0 33 17 44 11 57 39.3 54 99 -20 33 14 47 33 20 42 33 12 12 33 23 16 -0.19 -118 0 0 33 22 28 11 57 42.4 55 100 -19 33 19 30 33 25 25 33 16 56 33 28 0 -0.19 -117 0 0 33 26 50 11 57 45.6 55 101 -18 33 23 52 33 29 47 33 21 18 33 32 21 -0.19 -116 0 0 33 30 50 11 57 48.8 56 102 -18 33 27 53 33 33 47 33 25 18 33 36 22 -0.19 -115 0 0 33 34 29 11 57 52.1 57 103 -17 33 31 32 33 37 26 33 28 58 33 40 1 -0.19 -114 0 0 33 37 46 11 57 55.4 58 104 -16 33 34 49 33 40 43 33 32 15 33 43 18 -0.19 -113 0 0 33 40 42 11 57 58.6 59 105 -15 33 37 45 33 43 39 33 35 11 33 46 14 -0.19 -112 0 0 33 43 17 11 58 2.0 59 106 -14 33 40 20 33 46 14 33 37 46 33 48 48 -0.19 -111 0 0 33 45 30 11 58 5.3 60 107 -14 33 42 33 33 48 27 33 39 59 33 51 1 -0.19 -110 0 0 33 47 21 11 58 8.7 61 108 -13 33 44 25 33 50 18 33 41 50 33 52 52 -0.19 -109 0 0 33 48 51 11 58 12.1 62 109 -12 33 45 55 33 51 48 33 43 21 33 54 22 -0.19 -108 0 0 33 50 0 11 58 15.5 63 110 -11 33 47 3 33 52 56 33 44 29 33 55 31 -0.19 -107 0 0 33 50 47 11 58 18.9 63 111 -10 33 47 50 33 53 43 33 45 16 33 56 17 -0.19 -106 0 0 33 51 12 11 58 22.4 64 113 -10 33 48 16 33 54 9 33 45 42 33 56 43 -0.19 -105 0 0 33 51 16 11 58 25.9 65 114 -9 33 48 20 33 54 13 33 45 46 33 56 47 -0.19 -104 0 0 33 50 59 11 58 29.4 66 115 -8 33 48 2 33 53 55 33 45 28 33 56 29 -0.19 -103 0 0 33 50 20 11 58 32.9 67 117 -7 33 47 23 33 53 16 33 44 49 33 55 50 -0.19 -102 0 0 33 49 19 11 58 36.5 67 118 -6 33 46 22 33 52 16 33 43 48 33 54 50 -0.19 -101 0 0 33 47 57 11 58 40.0 68 120 -5 33 45 0 33 50 54 33 42 26 33 53 28 -0.19 -100 0 0 33 46 13 11 58 43.6 69 121 -5 33 43 16 33 49 10 33 40 42 33 51 44 -0.19 - 99 0 0 33 44 8 11 58 47.2 69 123 -4 33 41 11 33 47 5 33 38 37 33 49 39 -0.19 - 98 0 0 33 41 41 11 58 50.9 70 125 -3 33 38 44 33 44 38 33 36 10 33 47 12 -0.19 - 97 0 0 33 38 52 11 58 54.5 71 126 -2 33 35 56 33 41 49 33 33 21 33 44 24 -0.19 - 96 0 0 33 35 42 11 58 58.2 72 128 -1 33 32 45 33 38 40 33 30 11 33 41 14 -0.19 - 95 0 0 33 32 11 11 59 1.9 72 131 0 33 29 14 33 35 8 33 26 39 33 37 42 -0.19 - 94 0 0 33 28 18 11 59 5.6 73 133 0 33 25 20 33 31 15 33 22 46 33 33 49 -0.19 - 93 0 0 33 24 3 11 59 9.3 74 135 1 33 21 5 33 27 0 33 18 31 33 29 35 -0.19 - 92 0 0 33 19 26 11 59 13.1 74 138 2 33 16 29 33 22 24 33 13 54 33 24 58 -0.19 - 91 0 0 33 14 28 11 59 16.9 75 140 3 33 11 30 33 17 26 33 8 56 33 20 0 -0.19 - 90 0 0 33 9 8 11 59 20.6 75 143 4 33 6 10 33 12 6 33 3 35 33 14 41 -0.19 - 89 0 0 33 3 27 11 59 24.4 76 146 5 33 0 29 33 6 24 32 57 54 33 8 59 -0.19 - 88 0 0 32 57 23 11 59 28.3 77 150 5 32 54 25 33 0 21 32 51 50 33 2 56 -0.19 - 87 0 0 32 50 58 11 59 32.1 77 153 6 32 48 0 32 53 56 32 45 25 32 56 32 -0.19 - 86 0 0 32 44 12 11 59 35.9 77 157 7 32 41 13 32 47 10 32 38 38 32 49 45 -0.19 - 85 0 0 32 37 3 11 59 39.8 78 161 8 32 34 5 32 40 2 32 31 29 32 42 37 -0.19 - 84 0 0 32 29 33 11 59 43.7 78 166 9 32 26 34 32 32 32 32 23 58 32 35 7 -0.19 - 83 0 0 32 21 41 11 59 47.6 79 170 10 32 18 42 32 24 40 32 16 6 32 27 16 -0.19 - 82 0 0 32 13 27 11 59 51.5 79 175 10 32 10 28 32 16 26 32 7 52 32 19 3 -0.19 - 81 0 0 32 4 52 11 59 55.4 79 180 11 32 1 53 32 7 51 31 59 16 32 10 28 -0.19 - 80 0 0 31 55 55 11 59 59.3 79 185 12 31 52 55 31 58 54 31 50 19 32 1 31 -0.19 - 79 0 0 31 46 36 12 0 3.3 79 190 13 31 43 36 31 49 35 31 40 59 31 52 12 -0.19 - 78 0 0 31 36 55 12 0 7.2 79 196 14 31 33 55 31 39 55 31 31 18 31 42 32 -0.19 - 77 0 0 31 26 53 12 0 11.2 79 201 15 31 23 52 31 29 53 31 21 15 31 32 30 -0.19 - 76 0 0 31 16 28 12 0 15.2 79 206 16 31 13 28 31 19 29 31 10 51 31 22 6 -0.19 - 75 0 0 31 5 42 12 0 19.1 79 211 17 31 2 42 31 8 43 31 0 4 31 11 21 -0.19 - 74 0 0 30 54 35 12 0 23.1 78 215 17 30 51 34 30 57 36 30 48 56 31 0 14 -0.19 - 73 0 0 30 43 6 12 0 27.1 78 220 18 30 40 4 30 46 7 30 37 27 30 48 45 -0.19 - 72 0 0 30 31 15 12 0 31.2 77 224 19 30 28 13 30 34 16 30 25 35 30 36 54 -0.19 - 71 0 0 30 19 2 12 0 35.2 77 228 20 30 16 0 30 22 4 30 13 22 30 24 42 -0.19 - 70 0 0 30 6 28 12 0 39.2 76 232 21 30 3 26 30 9 30 30 0 47 30 12 9 -0.19 - 69 0 0 29 53 32 12 0 43.2 76 235 22 29 50 30 29 56 35 29 47 51 29 59 14 -0.19 - 68 0 0 29 40 15 12 0 47.3 75 238 23 29 37 13 29 43 18 29 34 34 29 45 57 -0.19 - 67 0 0 29 26 37 12 0 51.3 75 241 24 29 23 34 29 29 39 29 20 55 29 32 19 -0.19 - 66 0 0 29 12 37 12 0 55.3 74 244 25 29 9 34 29 15 40 29 6 54 29 18 20 -0.19 - 65 0 0 28 58 16 12 0 59.4 73 246 26 28 55 12 29 1 19 28 52 32 29 3 59 -0.19 - 64 0 0 28 43 33 12 1 3.4 73 249 26 28 40 30 28 46 37 28 37 49 28 49 17 -0.19 - 63 0 0 28 28 30 12 1 7.5 72 251 27 28 25 26 28 31 34 28 22 45 28 34 14 -0.19 - 62 0 0 28 13 5 12 1 11.5 71 253 28 28 10 1 28 16 10 28 7 21 28 18 50 -0.19 - 61 0 0 27 57 20 12 1 15.5 70 255 29 27 54 16 28 0 25 27 51 35 28 3 6 -0.19 - 60 0 0 27 41 14 12 1 19.6 69 257 30 27 38 9 27 44 19 27 35 28 27 47 0 -0.19 - 59 0 0 27 24 47 12 1 23.6 69 258 31 27 21 42 27 27 52 27 19 1 27 30 34 -0.19 - 58 0 0 27 8 0 12 1 27.6 68 260 32 27 4 55 27 11 6 27 2 13 27 13 47 -0.19 - 57 0 0 26 50 53 12 1 31.6 67 261 33 26 47 47 26 53 58 26 45 5 26 56 40 -0.19 - 56 0 0 26 33 25 12 1 35.6 66 263 34 26 30 19 26 36 31 26 27 37 26 39 13 -0.19 - 55 0 0 26 15 37 12 1 39.6 65 264 35 26 12 31 26 18 44 26 9 48 26 21 26 -0.19 - 54 0 0 25 57 30 12 1 43.6 64 265 36 25 54 23 26 0 36 25 51 40 26 3 19 -0.19 - 53 0 0 25 39 2 12 1 47.6 63 266 37 25 35 55 25 42 9 25 33 12 25 44 53 -0.19 - 52 0 0 25 20 16 12 1 51.5 63 268 38 25 17 9 25 23 23 25 14 25 25 26 7 -0.19 - 51 0 0 25 1 10 12 1 55.4 62 269 39 24 58 3 25 4 18 24 55 19 25 7 2 -0.19 - 50 0 0 24 41 46 12 1 59.4 61 270 40 24 38 38 24 44 54 24 35 54 24 47 37 -0.19 - 49 0 0 24 22 2 12 2 3.3 60 271 41 24 18 54 24 25 11 24 16 10 24 27 55 -0.19 - 48 0 0 24 2 1 12 2 7.1 59 272 42 23 58 52 24 5 9 23 56 8 24 7 54 -0.19 - 47 0 0 23 41 41 12 2 11.0 58 273 43 23 38 32 23 44 50 23 35 48 23 47 35 -0.19 - 46 0 0 23 21 4 12 2 14.8 57 273 44 23 17 55 23 24 13 23 15 10 23 26 58 -0.19 - 45 0 0 23 0 9 12 2 18.6 56 274 45 22 56 59 23 3 18 22 54 14 23 6 3 -0.19 - 44 0 0 22 38 57 12 2 22.4 55 275 46 22 35 47 22 42 6 22 33 2 22 44 51 -0.19 - 43 0 0 22 17 28 12 2 26.2 54 276 47 22 14 18 22 20 38 22 11 32 22 23 23 -0.19 - 42 0 0 21 55 42 12 2 29.9 53 277 48 21 52 32 21 58 52 21 49 47 22 1 38 -0.19 - 41 0 0 21 33 41 12 2 33.5 52 277 49 21 30 31 21 36 51 21 27 45 21 39 37 -0.19 - 40 0 0 21 11 24 12 2 37.2 51 278 50 21 8 13 21 14 34 21 5 27 21 17 21 -0.19 - 39 0 0 20 48 52 12 2 40.8 50 279 51 20 45 41 20 52 2 20 42 54 20 54 49 -0.19 - 38 0 0 20 26 4 12 2 44.4 49 279 52 20 22 53 20 29 15 20 20 7 20 32 2 -0.20 - 37 0 0 20 3 3 12 2 47.9 48 280 53 19 59 52 20 6 14 19 57 5 20 9 1 -0.20 - 36 0 0 19 39 47 12 2 51.4 47 280 54 19 36 36 19 42 59 19 33 49 19 45 46 -0.20 - 35 0 0 19 16 19 12 2 54.8 46 281 55 19 13 7 19 19 30 19 10 20 19 22 17 -0.20 - 34 0 0 18 52 37 12 2 58.2 45 281 56 18 49 25 18 55 49 18 46 38 18 58 36 -0.20 - 33 0 0 18 28 42 12 3 1.5 44 282 57 18 25 30 18 31 54 18 22 43 18 34 42 -0.20 - 32 0 0 18 4 36 12 3 4.8 43 282 58 18 1 24 18 7 48 17 58 36 18 10 36 -0.20 - 31 0 0 17 40 18 12 3 8.1 42 283 59 17 37 6 17 43 31 17 34 18 17 46 19 -0.20 - 30 0 0 17 15 50 12 3 11.3 41 283 60 17 12 37 17 19 3 17 9 50 17 21 50 -0.20 - 29 0 0 16 51 11 12 3 14.4 40 284 61 16 47 58 16 54 24 16 45 10 16 57 12 -0.20 - 28 0 0 16 26 23 12 3 17.5 39 284 62 16 23 10 16 29 35 16 20 22 16 32 24 -0.20 - 27 0 0 16 1 25 12 3 20.5 38 285 63 15 58 12 16 4 38 15 55 24 16 7 26 -0.20 - 26 0 0 15 36 19 12 3 23.4 37 285 64 15 33 5 15 39 32 15 30 17 15 42 20 -0.20 - 25 0 0 15 11 4 12 3 26.3 36 285 65 15 7 51 15 14 18 15 5 3 15 17 6 -0.20 - 24 0 0 14 45 43 12 3 29.1 35 286 66 14 42 29 14 48 56 14 39 41 14 51 45 -0.20 - 23 0 0 14 20 14 12 3 31.8 34 286 67 14 17 1 14 23 28 14 14 13 14 26 16 -0.20 - 22 0 0 13 54 40 12 3 34.5 33 286 68 13 51 27 13 57 54 13 48 38 14 0 42 -0.20 - 21 0 0 13 29 0 12 3 37.1 32 287 69 13 25 47 13 32 14 13 22 58 13 35 3 -0.20 - 20 0 0 13 3 16 12 3 39.7 31 287 70 13 0 2 13 6 29 12 57 13 13 9 18 -0.20 - 19 0 0 12 37 27 12 3 42.1 29 287 72 12 34 13 12 40 41 12 31 25 12 43 29 -0.20 - 18 0 0 12 11 35 12 3 44.5 28 288 73 12 8 21 12 14 48 12 5 32 12 17 37 -0.20 - 17 0 0 11 45 40 12 3 46.8 27 288 74 11 42 26 11 48 53 11 39 37 11 51 42 -0.20 - 16 0 0 11 19 42 12 3 49.0 26 288 75 11 16 29 11 22 56 11 13 40 11 25 45 -0.20 - 15 0 0 10 53 44 12 3 51.2 25 288 76 10 50 30 10 56 57 10 47 42 10 59 46 -0.20 - 14 0 0 10 27 44 12 3 53.2 24 289 77 10 24 31 10 30 58 10 21 42 10 33 47 -0.20 - 13 0 0 10 1 45 12 3 55.2 23 289 78 9 58 31 10 4 58 9 55 43 10 7 47 -0.20 - 12 0 0 9 35 46 12 3 57.1 22 289 79 9 32 32 9 38 59 9 29 44 9 41 48 -0.20 - 11 0 0 9 9 48 12 3 58.9 21 289 80 9 6 35 9 13 1 9 3 46 9 15 50 -0.21 - 10 0 0 8 43 52 12 4 0.6 20 289 81 8 40 39 8 47 6 8 37 50 8 49 54 -0.21 - 9 0 0 8 17 59 12 4 2.3 19 290 82 8 14 46 8 21 12 8 11 57 8 24 1 -0.21 - 8 0 0 7 52 9 12 4 3.8 18 290 83 7 48 56 7 55 22 7 46 7 7 58 10 -0.21 - 7 0 0 7 26 23 12 4 5.3 17 290 84 7 23 10 7 29 36 7 20 22 7 32 24 -0.21 - 6 0 0 7 0 41 12 4 6.7 15 290 85 6 57 28 7 3 54 6 54 40 7 6 42 -0.21 - 5 0 0 6 35 5 12 4 7.9 14 290 86 6 31 52 6 38 18 6 29 4 6 41 6 -0.21 - 4 0 0 6 9 34 12 4 9.1 13 290 87 6 6 22 6 12 47 6 3 34 6 15 35 -0.21 - 3 0 0 5 44 10 12 4 10.2 12 290 88 5 40 58 5 47 23 5 38 10 5 50 11 -0.21 - 2 0 0 5 18 53 12 4 11.2 11 291 89 5 15 41 5 22 6 5 12 54 5 24 53 -0.22 - 1 0 0 4 53 44 12 4 12.1 10 291 88 4 50 32 4 56 57 4 47 45 4 59 44 -0.22 0 0 0 4 28 44 12 4 12.9 9 291 87 4 25 32 4 31 56 4 22 44 4 34 43 -0.22 1 0 0 4 3 52 12 4 13.7 8 291 87 4 0 40 4 7 4 3 57 53 4 9 51 -0.23 2 0 0 3 39 10 12 4 14.3 7 291 86 3 35 58 3 42 21 3 33 11 3 45 8 -0.23 3 0 0 3 14 38 12 4 14.8 6 291 84 3 11 26 3 17 49 3 8 40 3 20 36 -0.24 4 0 0 2 50 16 12 4 15.3 5 291 83 2 47 5 2 53 28 2 44 19 2 56 14 -0.25 5 0 0 2 26 6 12 4 15.6 4 291 82 2 22 55 2 29 17 2 20 9 2 32 4 -0.26 6 0 0 2 2 8 12 4 15.9 2 291 81 1 58 57 2 5 19 1 56 11 2 8 5 -0.29 7 0 0 1 38 22 12 4 16.1 1 291 80 1 35 12 1 41 33 1 32 26 1 44 19 -0.36 8 0 0 1 14 49 12 4 16.1 0 291 79 1 11 39 1 17 59 1 8 53 1 20 45 -0.88 Uncertainty in time = +/- 1 secs Prediction of 2023 Jul 15.5 Data for the target star ------------------------ * name: UCAC4 556-017022 * constellation : Taurus * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 05 34 42.6429 DE: +21 07 51.016 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 05 34 42.6430 DE: +21 07 51.016 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.100) * V mag [mag]: 10.7 * B mag [mag]: 11.3 * Diameter [mas]: 0.10 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (5105) Westerhout asteroid class: approx. diameter [km]: 11 approx. diameter ["]: 0.007 distance from Earth [AU]: 2.13530 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 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): 0.017", 0.003", 95.86° remarks: * orbital elements for (5105)Westerhout : Mean anomaly = 0.1819453260 deg Arg. of pericenter = 190.3596568644 deg Long. of node = 226.6910780504 deg Inclination = 11.6656710148 deg Eccentricity = 0.1599710260 Semimajor axis = 2.5954283217 AU Perihelion dist = 2.1802349903 AU Mag: H = 12.26, G = 0.15 Epoch of elements : MJD 60558.50003808 TDT (2024 Sep 05.5000) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#542023Apr25,0.43,2024,9,5,12.000902,0.030439,0.181523,13.798815,-2.287058,-0.005266,-0.000256,0.000000,0.000000 -81.0542,21.1483,-0.38,6.52,False UCAC4 556-017022,5.57851189,21.1308377,11.32,10.72,10.40,0.1,0,,5.60299832,21.1483282,6.10,5.97,0,0,0 5105,Westerhout,16.81,10.694,2.1353,0,0,4.062,-9.42,,0.8,0 0,0.0641,2024,9,5,190.3597,226.6911,11.6657,0.15997,2.59543,2.18023,12.26,5.0,0.15 1.436,0.0173,0.0028,96,0.0030,Known errors,1.11,0,-1,-1 20240905_017022,60140.54 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 13:00 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org