IOTA/IOTA-ES occultation update for (407) Arachne / TYC 1858-00206-1 event on 2023 Aug 29, 23:06 UT Visible from India, Africa Summary ------- On 2023 Aug 29 UT, the 94.1 km diameter asteroid (407) Arachne will occult a 9.3 mag star in the constellation Auriga for observers along a path across India, Africa. In the case of an occultation, the combined light of the asteroid and the star will drop by 4.95 mag to 14.20 mag (the magnitude of the asteroid) for at most 3.930 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: 2023 Aug 29, 23:01 - 2023 Aug 29, 23:10 * geocentric midpoint of event [JD]: 2460186.46265117 * magnitude of target star: 9.26 * magnitude drop [mag]: 4.95 * estimated maximum duration [s]: 3.930 * Moon: 98 % sunlit, 120° distance * Sun: 76° distance * rough path description: India, Africa The occultation path -------------------- * approximate projected width [km]: 94 * 1 sigma uncertainty interval [path widths]: +/- 0.02 * 1 sigma uncertainty interval [seconds]: +/- 0.5 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.007, +/- 0.000) * 1 sigma uncertainty ellipse (major, minor, PA): (0.007", 0.000", 92°) * approx speed of asteroid's shadow [km/s]: 23.9713 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 1858-00206-1 by 407 Arachne on 2023 Aug 29 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 28 0 0 - 4 6 32 23 1 47.2 0 61 -76 - 4 35 53 - 3 37 10 - 4 37 8 - 3 35 55 .... 29 0 0 - 3 32 21 23 1 47.3 2 60 -75 - 4 1 44 - 3 2 57 - 4 2 59 - 3 1 42 -0.13 30 0 0 - 2 58 0 23 1 47.5 3 60 -74 - 3 27 25 - 2 28 34 - 3 28 40 - 2 27 19 -0.10 31 0 0 - 2 23 29 23 1 47.8 4 60 -72 - 2 52 56 - 1 54 2 - 2 54 11 - 1 52 47 -0.08 32 0 0 - 1 48 50 23 1 48.2 5 60 -71 - 2 18 18 - 1 19 20 - 2 19 33 - 1 18 5 -0.07 33 0 0 - 1 14 3 23 1 48.7 6 60 -70 - 1 43 32 - 0 44 32 - 1 44 48 - 0 43 17 -0.07 34 0 0 - 0 39 9 23 1 49.4 7 60 -69 - 1 8 40 - 0 9 37 - 1 9 55 - 0 8 22 -0.06 35 0 0 - 0 4 9 23 1 50.1 8 60 -68 - 0 33 42 0 25 24 - 0 34 57 0 26 39 -0.06 36 0 0 0 30 55 23 1 51.0 10 60 -67 0 1 22 1 0 28 0 0 6 1 1 44 -0.06 37 0 0 1 6 2 23 1 51.9 11 60 -66 0 36 28 1 35 36 0 35 13 1 36 52 -0.06 38 0 0 1 41 12 23 1 53.0 12 60 -64 1 11 37 2 10 47 1 10 22 2 12 2 -0.06 39 0 0 2 16 22 23 1 54.1 13 60 -63 1 46 48 2 45 58 1 45 33 2 47 13 -0.06 40 0 0 2 51 34 23 1 55.4 14 60 -62 2 21 59 3 21 9 2 20 44 3 22 24 -0.05 41 0 0 3 26 44 23 1 56.8 15 60 -61 2 57 9 3 56 19 2 55 54 3 57 34 -0.05 42 0 0 4 1 52 23 1 58.3 17 61 -60 3 32 18 4 31 27 3 31 2 4 32 42 -0.05 43 0 0 4 36 57 23 1 59.9 18 61 -59 4 7 23 5 6 31 4 6 8 5 7 47 -0.05 44 0 0 5 11 57 23 2 1.6 19 61 -57 4 42 24 5 41 31 4 41 9 5 42 47 -0.05 45 0 0 5 46 53 23 2 3.4 20 61 -56 5 17 20 6 16 26 5 16 5 6 17 41 -0.05 46 0 0 6 21 42 23 2 5.3 21 61 -55 5 52 10 6 51 14 5 50 55 6 52 29 -0.05 47 0 0 6 56 23 23 2 7.3 22 61 -54 6 26 53 7 25 54 6 25 38 7 27 9 -0.05 48 0 0 7 30 56 23 2 9.4 24 61 -53 7 1 27 8 0 25 7 0 12 8 1 41 -0.05 49 0 0 8 5 19 23 2 11.5 25 61 -52 7 35 52 8 34 47 7 34 37 8 36 2 -0.05 50 0 0 8 39 32 23 2 13.8 26 61 -51 8 10 7 9 8 58 8 8 52 9 10 13 -0.05 51 0 0 9 13 33 23 2 16.2 27 62 -49 8 44 10 9 42 57 8 42 55 9 44 12 -0.05 52 0 0 9 47 22 23 2 18.7 28 62 -48 9 18 1 10 16 44 9 16 46 10 17 59 -0.05 53 0 0 10 20 57 23 2 21.2 29 62 -47 9 51 38 10 50 17 9 50 23 10 51 31 -0.05 54 0 0 10 54 17 23 2 23.8 30 62 -46 10 25 1 11 23 35 10 23 46 11 24 49 -0.05 55 0 0 11 27 22 23 2 26.5 32 62 -45 10 58 9 11 56 37 10 56 54 11 57 52 -0.05 56 0 0 12 0 11 23 2 29.3 33 63 -44 11 31 0 12 29 23 11 29 46 12 30 37 -0.05 57 0 0 12 32 43 23 2 32.2 34 63 -43 12 3 35 13 1 52 12 2 20 13 3 6 -0.05 58 0 0 13 4 56 23 2 35.1 35 63 -42 12 35 51 13 34 2 12 34 37 13 35 16 -0.05 59 0 0 13 36 51 23 2 38.2 36 63 -40 13 7 49 14 5 54 13 6 35 14 7 8 -0.05 60 0 0 14 8 26 23 2 41.3 37 64 -39 13 39 28 14 37 26 13 38 14 14 38 40 -0.05 61 0 0 14 39 41 23 2 44.4 38 64 -38 14 10 46 15 8 37 14 9 32 15 9 51 -0.04 62 0 0 15 10 35 23 2 47.6 39 64 -37 14 41 43 15 39 27 14 40 30 15 40 41 -0.04 63 0 0 15 41 7 23 2 50.9 40 64 -36 15 12 19 16 9 56 15 11 6 16 11 9 -0.04 64 0 0 16 11 17 23 2 54.3 42 65 -35 15 42 32 16 40 2 15 41 19 16 41 15 -0.04 65 0 0 16 41 3 23 2 57.7 43 65 -34 16 12 23 17 9 45 16 11 10 17 10 58 -0.04 66 0 0 17 10 27 23 3 1.1 44 65 -33 16 41 50 17 39 4 16 40 37 17 40 17 -0.04 67 0 0 17 39 25 23 3 4.6 45 66 -32 17 10 53 18 7 59 17 9 40 18 9 11 -0.04 68 0 0 18 8 0 23 3 8.2 46 66 -31 17 39 31 18 36 29 17 38 19 18 37 41 -0.04 69 0 0 18 36 9 23 3 11.8 47 66 -29 18 7 44 19 4 34 18 6 32 19 5 46 -0.04 70 0 0 19 3 52 23 3 15.4 48 67 -28 18 35 32 19 32 13 18 34 20 19 33 25 -0.04 71 0 0 19 31 10 23 3 19.1 49 67 -27 19 2 54 19 59 26 19 1 42 20 0 38 -0.04 72 0 0 19 58 0 23 3 22.9 50 68 -26 19 29 49 20 26 12 19 28 37 20 27 24 -0.04 73 0 0 20 24 24 23 3 26.6 51 68 -25 19 56 17 20 52 32 19 55 6 20 53 44 -0.04 74 0 0 20 50 21 23 3 30.4 52 68 -24 20 22 19 21 18 24 20 21 7 21 19 36 -0.04 75 0 0 21 15 51 23 3 34.3 53 69 -23 20 47 52 21 43 49 20 46 41 21 45 1 -0.04 76 0 0 21 40 52 23 3 38.2 54 69 -22 21 12 58 22 8 46 21 11 47 22 9 57 -0.04 77 0 0 22 5 26 23 3 42.1 55 70 -21 21 37 36 22 33 15 21 36 25 22 34 26 -0.04 78 0 0 22 29 31 23 3 46.0 56 70 -20 22 1 46 22 57 16 22 0 35 22 58 27 -0.04 79 0 0 22 53 7 23 3 50.0 57 71 -19 22 25 27 23 20 48 22 24 16 23 21 59 -0.04 80 0 0 23 16 15 23 3 53.9 58 71 -18 22 48 39 23 43 51 22 47 29 23 45 2 -0.04 81 0 0 23 38 54 23 3 57.9 59 72 -17 23 11 23 24 6 26 23 10 13 24 7 36 -0.04 82 0 0 24 1 4 23 4 2.0 60 72 -16 23 33 37 24 28 32 23 32 27 24 29 41 -0.04 83 0 0 24 22 45 23 4 6.0 61 73 -15 23 55 22 24 50 8 23 54 13 24 51 18 -0.04 84 0 0 24 43 56 23 4 10.1 62 73 -14 24 16 38 25 11 15 24 15 29 25 12 25 -0.04 85 0 0 25 4 39 23 4 14.1 63 74 -13 24 37 25 25 31 53 24 36 15 25 33 2 -0.04 86 0 0 25 24 51 23 4 18.2 64 74 -12 24 57 42 25 52 1 24 56 33 25 53 10 -0.04 87 0 0 25 44 34 23 4 22.3 65 75 -11 25 17 29 26 11 40 25 16 20 26 12 49 -0.04 88 0 0 26 3 48 23 4 26.4 66 76 -10 25 36 47 26 30 49 25 35 38 26 31 58 -0.04 89 0 0 26 22 32 23 4 30.6 67 76 -9 25 55 35 26 49 29 25 54 27 26 50 38 -0.04 90 0 0 26 40 47 23 4 34.7 68 77 -8 26 13 54 27 7 40 26 12 45 27 8 48 -0.04 91 0 0 26 58 31 23 4 38.8 69 78 -7 26 31 43 27 25 20 26 30 34 27 26 29 -0.04 92 0 0 27 15 47 23 4 43.0 70 78 -6 26 49 2 27 42 32 26 47 54 27 43 40 -0.04 93 0 0 27 32 32 23 4 47.1 71 79 -5 27 5 51 27 59 13 27 4 44 28 0 21 -0.04 94 0 0 27 48 48 23 4 51.2 72 80 -4 27 22 11 28 15 26 27 21 4 28 16 33 -0.04 95 0 0 28 4 35 23 4 55.4 73 81 -4 27 38 2 28 31 8 27 36 54 28 32 16 -0.04 96 0 0 28 19 52 23 4 59.5 74 81 -3 27 53 22 28 46 22 27 52 15 28 47 29 -0.04 97 0 0 28 34 40 23 5 3.7 75 82 -2 28 8 14 29 1 6 28 7 6 29 2 13 -0.04 98 0 0 28 48 58 23 5 7.9 75 83 -1 28 22 35 29 15 21 28 21 28 29 16 28 -0.04 99 0 0 29 2 47 23 5 12.0 76 84 0 28 36 28 29 29 6 28 35 21 29 30 13 -0.04 100 0 0 29 16 6 23 5 16.2 77 85 1 28 49 51 29 42 22 28 48 44 29 43 29 -0.04 101 0 0 29 28 57 23 5 20.3 78 86 2 29 2 44 29 55 10 29 1 38 29 56 16 -0.04 102 0 0 29 41 18 23 5 24.4 79 88 3 29 15 9 30 7 28 29 14 2 30 8 35 -0.04 103 0 0 29 53 11 23 5 28.6 80 89 4 29 27 4 30 19 17 29 25 58 30 20 24 -0.04 104 0 0 30 4 34 23 5 32.7 81 91 5 29 38 30 30 30 38 29 37 24 30 31 44 -0.04 105 0 0 30 15 28 23 5 36.8 82 93 6 29 49 28 30 41 29 29 48 21 30 42 35 -0.04 106 0 0 30 25 54 23 5 41.0 82 95 6 29 59 56 30 51 52 29 58 50 30 52 58 -0.04 107 0 0 30 35 51 23 5 45.1 83 98 7 30 9 55 31 1 46 30 8 49 31 2 52 -0.04 108 0 0 30 45 19 23 5 49.2 84 101 8 30 19 26 31 11 12 30 18 20 31 12 18 -0.04 109 0 0 30 54 18 23 5 53.3 85 106 9 30 28 28 31 20 9 30 27 22 31 21 15 -0.04 110 0 0 31 2 50 23 5 57.4 85 112 10 30 37 1 31 28 38 30 35 56 31 29 44 -0.04 111 0 0 31 10 52 23 6 1.5 86 120 11 30 45 6 31 36 39 30 44 1 31 37 44 -0.04 112 0 0 31 18 26 23 6 5.6 86 133 12 30 52 42 31 44 11 30 51 37 31 45 16 -0.05 113 0 0 31 25 32 23 6 9.6 87 152 13 30 59 50 31 51 15 30 58 45 31 52 20 -0.05 114 0 0 31 32 10 23 6 13.7 87 177 14 31 6 30 31 57 51 31 5 24 31 58 56 -0.06 115 0 0 31 38 20 23 6 17.8 87 200 14 31 12 41 32 3 59 31 11 36 32 5 4 -0.05 116 0 0 31 44 1 23 6 21.8 86 217 15 31 18 24 32 9 39 31 17 19 32 10 44 -0.05 117 0 0 31 49 15 23 6 25.8 86 229 16 31 23 39 32 14 51 31 22 34 32 15 56 -0.04 118 0 0 31 54 0 23 6 29.9 85 236 17 31 28 26 32 19 35 31 27 21 32 20 40 -0.04 119 0 0 31 58 18 23 6 33.9 85 242 18 31 32 44 32 23 51 31 31 39 32 24 56 -0.04 120 0 0 32 2 7 23 6 37.9 84 246 19 31 36 35 32 27 40 31 35 30 32 28 45 -0.04 121 0 0 32 5 29 23 6 41.9 83 249 20 31 39 58 32 31 1 31 38 53 32 32 6 -0.04 122 0 0 32 8 23 23 6 45.9 82 251 20 31 42 53 32 33 54 31 41 48 32 34 59 -0.04 123 0 0 32 10 49 23 6 49.8 81 254 21 31 45 19 32 36 19 31 44 15 32 37 24 -0.04 124 0 0 32 12 48 23 6 53.8 81 255 22 31 47 18 32 38 17 31 46 14 32 39 22 -0.04 125 0 0 32 14 18 23 6 57.7 80 257 23 31 48 50 32 39 48 31 47 45 32 40 53 -0.04 126 0 0 32 15 21 23 7 1.7 79 258 24 31 49 53 32 40 50 31 48 48 32 41 55 -0.04 127 0 0 32 15 57 23 7 5.6 78 260 25 31 50 28 32 41 26 31 49 24 32 42 30 -0.04 128 0 0 32 16 5 23 7 9.5 77 261 26 31 50 36 32 41 33 31 49 31 32 42 38 -0.04 129 0 0 32 15 45 23 7 13.4 77 262 26 31 50 16 32 41 13 31 49 11 32 42 18 -0.04 130 0 0 32 14 57 23 7 17.3 76 263 27 31 49 28 32 40 26 31 48 23 32 41 31 -0.04 131 0 0 32 13 42 23 7 21.2 75 264 28 31 48 12 32 39 11 31 47 8 32 40 16 -0.04 132 0 0 32 11 59 23 7 25.0 74 265 29 31 46 29 32 37 28 31 45 24 32 38 33 -0.04 133 0 0 32 9 48 23 7 28.9 73 266 30 31 44 18 32 35 18 31 43 13 32 36 23 -0.04 134 0 0 32 7 9 23 7 32.7 72 267 31 31 41 39 32 32 41 31 40 34 32 33 46 -0.04 135 0 0 32 4 3 23 7 36.5 71 268 32 31 38 32 32 29 35 31 37 27 32 30 40 -0.04 136 0 0 32 0 29 23 7 40.3 71 268 32 31 34 57 32 26 2 31 33 52 32 27 7 -0.04 137 0 0 31 56 28 23 7 44.1 70 269 33 31 30 54 32 22 2 31 29 49 32 23 7 -0.04 138 0 0 31 51 58 23 7 47.9 69 270 34 31 26 23 32 17 33 31 25 18 32 18 39 -0.04 139 0 0 31 47 1 23 7 51.6 68 271 35 31 21 24 32 12 37 31 20 19 32 13 43 -0.04 140 0 0 31 41 35 23 7 55.3 67 271 36 31 15 58 32 7 14 31 14 52 32 8 19 -0.04 141 0 0 31 35 42 23 7 59.1 66 272 37 31 10 3 32 1 22 31 8 57 32 2 27 -0.04 142 0 0 31 29 21 23 8 2.8 65 273 38 31 3 40 31 55 2 31 2 34 31 56 8 -0.04 143 0 0 31 22 32 23 8 6.5 65 273 39 30 56 49 31 48 15 30 55 43 31 49 20 -0.04 144 0 0 31 15 14 23 8 10.1 64 274 39 30 49 29 31 40 59 30 48 24 31 42 5 -0.04 145 0 0 31 7 28 23 8 13.8 63 275 40 30 41 42 31 33 16 30 40 36 31 34 21 -0.04 146 0 0 30 59 15 23 8 17.4 62 275 41 30 33 25 31 25 4 30 32 20 31 26 10 -0.04 147 0 0 30 50 32 23 8 21.0 61 276 42 30 24 41 31 16 24 30 23 35 31 17 30 -0.04 148 0 0 30 41 22 23 8 24.6 60 277 43 30 15 28 31 7 16 30 14 22 31 8 22 -0.04 149 0 0 30 31 43 23 8 28.2 59 277 44 30 5 47 30 57 40 30 4 41 30 58 46 -0.04 150 0 0 30 21 35 23 8 31.7 58 278 45 29 55 36 30 47 35 29 54 30 30 48 41 -0.04 151 0 0 30 10 59 23 8 35.3 58 278 46 29 44 58 30 37 1 29 43 51 30 38 8 -0.04 152 0 0 29 59 55 23 8 38.8 57 279 46 29 33 50 30 26 0 29 32 44 30 27 6 -0.04 153 0 0 29 48 21 23 8 42.3 56 280 47 29 22 14 30 14 29 29 21 7 30 15 36 -0.04 154 0 0 29 36 19 23 8 45.7 55 280 48 29 10 9 30 2 30 29 9 2 30 3 37 -0.04 155 0 0 29 23 48 23 8 49.1 54 281 49 28 57 35 29 50 2 28 56 28 29 51 9 -0.04 156 0 0 29 10 48 23 8 52.5 53 281 50 28 44 31 29 37 5 28 43 25 29 38 12 -0.04 157 0 0 28 57 19 23 8 55.9 52 282 51 28 30 59 29 23 40 28 29 52 29 24 47 -0.04 158 0 0 28 43 22 23 8 59.3 51 282 52 28 16 58 29 9 46 28 15 51 29 10 53 -0.04 159 0 0 28 28 55 23 9 2.6 50 283 53 28 2 28 28 55 22 28 1 20 28 56 30 -0.04 160 0 0 28 13 59 23 9 5.9 49 283 54 27 47 28 28 40 30 27 46 21 28 41 37 -0.04 161 0 0 27 58 34 23 9 9.2 48 284 55 27 31 59 28 25 8 27 30 52 28 26 16 -0.04 162 0 0 27 42 39 23 9 12.4 47 284 55 27 16 1 28 9 18 27 14 54 28 10 26 -0.04 163 0 0 27 26 16 23 9 15.6 47 285 56 26 59 34 27 52 58 26 58 26 27 54 6 -0.04 164 0 0 27 9 23 23 9 18.8 46 285 57 26 42 38 27 36 9 26 41 30 27 37 18 -0.04 165 0 0 26 52 1 23 9 21.9 45 286 58 26 25 12 27 18 52 26 24 4 27 20 0 -0.04 166 0 0 26 34 10 23 9 25.0 44 286 59 26 7 17 27 1 4 26 6 8 27 2 13 -0.04 167 0 0 26 15 50 23 9 28.0 43 287 60 25 48 52 26 42 48 25 47 44 26 43 57 -0.04 168 0 0 25 57 1 23 9 31.0 42 287 61 25 29 59 26 24 3 25 28 50 26 25 12 -0.04 169 0 0 25 37 42 23 9 34.0 41 288 62 25 10 36 26 4 48 25 9 27 26 5 57 -0.04 170 0 0 25 17 54 23 9 36.9 40 288 63 24 50 44 25 45 5 24 49 35 25 46 14 -0.04 171 0 0 24 57 37 23 9 39.8 39 289 64 24 30 23 25 24 52 24 29 14 25 26 2 -0.04 172 0 0 24 36 52 23 9 42.7 38 289 65 24 9 33 25 4 11 24 8 23 25 5 20 -0.04 173 0 0 24 15 37 23 9 45.4 37 290 66 23 48 14 24 43 0 23 47 4 24 44 10 -0.04 174 0 0 23 53 53 23 9 48.2 36 290 67 23 26 26 24 21 21 23 25 16 24 22 31 -0.04 175 0 0 23 31 41 23 9 50.9 35 290 68 23 4 10 23 59 14 23 3 0 24 0 24 -0.04 176 0 0 23 9 1 23 9 53.5 34 291 69 22 41 25 23 36 37 22 40 15 23 37 48 -0.04 177 0 0 22 45 52 23 9 56.1 33 291 70 22 18 12 23 13 33 22 17 1 23 14 43 -0.04 178 0 0 22 22 15 23 9 58.6 32 292 71 21 54 30 22 50 0 21 53 19 22 51 11 -0.05 179 0 0 21 58 10 23 10 1.1 31 292 72 21 30 21 22 25 59 21 29 10 22 27 10 -0.05 180 0 0 21 33 37 23 10 3.5 30 292 73 21 5 44 22 1 31 21 4 33 22 2 42 -0.05 -179 0 0 21 8 37 23 10 5.8 29 293 74 20 40 39 21 36 35 20 39 28 21 37 47 -0.05 -178 0 0 20 43 10 23 10 8.1 28 293 75 20 15 8 21 11 12 20 13 56 21 12 24 -0.05 -177 0 0 20 17 16 23 10 10.4 27 294 75 19 49 9 20 45 22 19 47 58 20 46 34 -0.05 -176 0 0 19 50 55 23 10 12.5 26 294 76 19 22 44 20 19 6 19 21 32 20 20 18 -0.05 -175 0 0 19 24 8 23 10 14.6 25 294 77 18 55 53 19 52 23 18 54 41 19 53 35 -0.05 -174 0 0 18 56 55 23 10 16.6 24 295 78 18 28 36 19 25 15 18 27 24 19 26 27 -0.05 -173 0 0 18 29 17 23 10 18.5 23 295 79 18 0 54 18 57 41 17 59 42 18 58 53 -0.05 -172 0 0 18 1 14 23 10 20.4 22 295 80 17 32 47 18 29 42 17 31 34 18 30 54 -0.05 -171 0 0 17 32 46 23 10 22.2 20 296 81 17 4 15 18 1 18 17 3 3 18 2 31 -0.05 -170 0 0 17 3 55 23 10 23.9 19 296 82 16 35 20 17 32 30 16 34 7 17 33 43 -0.05 -169 0 0 16 34 40 23 10 25.5 18 296 82 16 6 1 17 3 19 16 4 48 17 4 32 -0.05 -168 0 0 16 5 2 23 10 27.0 17 296 83 15 36 19 16 33 45 15 35 6 16 34 58 -0.05 -167 0 0 15 35 1 23 10 28.5 16 297 84 15 6 15 16 3 48 15 5 2 16 5 1 -0.05 -166 0 0 15 4 40 23 10 29.9 15 297 84 14 35 50 15 33 30 14 34 37 15 34 43 -0.05 -165 0 0 14 33 56 23 10 31.1 14 297 84 14 5 3 15 2 50 14 3 50 15 4 4 -0.06 -164 0 0 14 2 53 23 10 32.3 13 297 84 13 33 57 14 31 50 13 32 43 14 33 4 -0.06 -163 0 0 13 31 30 23 10 33.4 12 298 84 13 2 30 14 0 30 13 1 17 14 1 44 -0.06 -162 0 0 12 59 48 23 10 34.4 11 298 83 12 30 45 13 28 51 12 29 31 13 30 5 -0.06 -161 0 0 12 27 48 23 10 35.3 10 298 83 11 58 42 12 56 54 11 57 28 12 58 8 -0.06 -160 0 0 11 55 30 23 10 36.1 8 298 82 11 26 22 12 24 39 11 25 8 12 25 53 -0.07 -159 0 0 11 22 56 23 10 36.9 7 299 81 10 53 45 11 52 7 10 52 31 11 53 21 -0.07 -158 0 0 10 50 6 23 10 37.5 6 299 81 10 20 52 11 19 20 10 19 38 11 20 34 -0.07 -157 0 0 10 17 1 23 10 38.0 5 299 80 9 47 45 10 46 17 9 46 31 10 47 32 -0.08 -156 0 0 9 43 42 23 10 38.4 4 299 79 9 14 24 10 13 0 9 13 10 10 14 15 -0.09 -155 0 0 9 10 10 23 10 38.7 3 299 78 8 40 50 9 39 30 8 39 35 9 40 45 -0.11 -154 0 0 8 36 26 23 10 38.9 2 299 77 8 7 4 9 5 48 8 5 49 9 7 3 -0.16 -153 0 0 8 2 31 23 10 39.0 0 300 76 7 33 7 8 31 55 7 31 52 8 33 10 -0.44 Uncertainty in time = +/- 1 secs Prediction of 2023 Aug 6.7 Data for the target star ------------------------ * name: TYC 1858-00206-1 * constellation : Auriga * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 05 12 50.8283 DE: +29 20 07.574 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 05 12 50.8285 DE: +29 20 07.574 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.100) * V mag [mag]: 9.3 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (407) Arachne asteroid class: approx. diameter [km]: 94 approx. diameter ["]: 0.052 distance from Earth [AU]: 2.51170 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#64 date of fit: 2023 Jul 27 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): 0.007", 0.000", 92.389° remarks: * orbital elements for (407)Arachne : Mean anomaly = 34.9834069213 deg Arg. of pericenter = 81.4966033494 deg Long. of node = 294.4709592951 deg Inclination = 7.5178796252 deg Eccentricity = 0.0709807063 Semimajor axis = 2.6256725568 AU Perihelion dist = 2.4393004641 AU Mag: H = 9.23, G = 0.15 Epoch of elements : MJD 60185.96263889 TDT (2023 Aug 29.9626) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#642023Jul27,3.93,2023,8,29,23.103628,-0.004389,0.034605,13.431902,1.626794,-0.005313,-0.000278,0.000000,0.000000 114.1354,29.3634,-166.33,9.18,False TYC 1858-00206-1,5.21411894,29.3354373,0.00,9.26,0.00,0.0,0,,5.23891410,29.3633899,4.96,0.00,0,0,0 407,Arachne,14.20,94.100,2.5117,0,0,3.598,5.70,,6.2,0 0,34.7604,2023,8,29,81.4966,294.4710,7.5179,0.07098,2.62567,2.43930,9.13,5.0,0.15 1.021,0.0067,0.0002,92,0.0067,Known errors,-1.00,0,-1,-1 20230829_0206-1,60162.67 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Aug 06, 16:08 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org