IOTA/IOTA-ES occultation update for (2260) Neoptolemus / UCAC4 544-011563 event on 2022 Dec 14, 08:31 UT Visible from N Canada Summary ------- On 2022 Dec 14 UT, the 75 km diameter asteroid (2260) Neoptolemus will occult a 12.2 mag star in the constellation Taurus for observers along a path across N Canada. In the case of an occultation, the combined light of the asteroid and the star will drop by 4.01 mag to 16.16 mag (the magnitude of the asteroid) for at most 4.270 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: 82 * date and approx. time of event: 2022 Dec 14, 08:26 - 2022 Dec 14, 08:35 * geocentric midpoint of event [JD]: 2459927.85514216 * magnitude of target star: 12.18 * magnitude drop [mag]: 4.01 * estimated maximum duration [s]: 4.270 * Moon: 70 % sunlit, 74° distance * Sun: 172° distance * rough path description: N Canada Additional comments ------------------- RUWE high The occultation path -------------------- * approximate projected width [km]: 105 * 1 sigma uncertainty interval [path widths]: +/- 0.64 * 1 sigma uncertainty interval [seconds]: +/- 4.0 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.026, +/- 0.014) * 1 sigma uncertainty ellipse (major, minor, PA): (0.027", 0.011", 68°) * approx speed of asteroid's shadow [km/s]: 17.5819 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of UCAC4 544-011563 by 2260 Neoptolemus on 2022 Dec 14 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 110 0 0 49 6 33 8 35 42.6 0 61 0 49 39 10 .. .. .. 50 21 34 .. .. .. .... 111 0 0 49 28 36 8 35 42.6 1 62 -1 50 1 12 48 56 21 50 43 36 48 15 24 -0.76 112 0 0 49 50 27 8 35 42.4 1 62 -1 50 23 3 49 18 13 51 5 26 48 37 17 -0.87 113 0 0 50 12 7 8 35 42.2 2 63 -2 50 44 41 49 39 53 51 27 3 48 58 58 -0.90 114 0 0 50 33 34 8 35 41.9 3 64 -3 51 6 7 50 1 21 51 48 28 49 20 27 -0.92 115 0 0 50 54 47 8 35 41.5 4 65 -4 51 27 20 50 22 36 52 9 39 49 41 43 -0.93 116 0 0 51 15 48 8 35 41.1 4 65 -4 51 48 19 50 43 38 52 30 36 50 2 47 -0.94 117 0 0 51 36 35 8 35 40.5 5 66 -5 52 9 4 51 4 26 52 51 19 50 23 38 -0.94 118 0 0 51 57 8 8 35 39.9 6 67 -6 52 29 36 51 25 1 53 11 48 50 44 14 -0.95 119 0 0 52 17 27 8 35 39.2 7 68 -6 52 49 52 51 45 21 53 32 3 51 4 37 -0.95 120 0 0 52 37 31 8 35 38.5 7 69 -7 53 9 54 52 5 28 53 52 2 51 24 46 -0.95 121 0 0 52 57 20 8 35 37.7 8 69 -8 53 29 41 52 25 19 54 11 46 51 44 40 -0.96 122 0 0 53 16 54 8 35 36.8 9 70 -8 53 49 13 52 44 55 54 31 15 52 4 19 -0.96 123 0 0 53 36 13 8 35 35.9 9 71 -9 54 8 29 53 4 16 54 50 28 52 23 43 -0.96 124 0 0 53 55 16 8 35 34.9 10 72 -10 54 27 30 53 23 22 55 9 25 52 42 51 -0.96 125 0 0 54 14 3 8 35 33.8 11 73 -10 54 46 14 53 42 11 55 28 5 53 1 44 -0.96 126 0 0 54 32 34 8 35 32.7 11 73 -11 55 4 42 54 0 45 55 46 30 53 20 22 -0.96 127 0 0 54 50 49 8 35 31.5 12 74 -12 55 22 54 54 19 3 56 4 37 53 38 43 -0.96 128 0 0 55 8 47 8 35 30.3 12 75 -12 55 40 49 54 37 5 56 22 28 53 56 48 -0.96 129 0 0 55 26 29 8 35 29.1 13 76 -13 55 58 28 54 54 50 56 40 3 54 14 37 -0.96 130 0 0 55 43 54 8 35 27.7 14 77 -14 56 15 50 55 12 18 56 57 20 54 32 10 -0.97 131 0 0 56 1 3 8 35 26.4 14 78 -14 56 32 55 55 29 30 57 14 21 54 49 26 -0.97 132 0 0 56 17 54 8 35 25.0 15 79 -15 56 49 43 55 46 25 57 31 4 55 6 25 -0.97 133 0 0 56 34 29 8 35 23.5 15 79 -16 57 6 14 56 3 3 57 47 30 55 23 8 -0.97 134 0 0 56 50 47 8 35 22.1 16 80 -16 57 22 28 56 19 25 58 3 39 55 39 34 -0.97 135 0 0 57 6 48 8 35 20.5 17 81 -17 57 38 25 56 35 29 58 19 31 55 55 43 -0.97 136 0 0 57 22 31 8 35 19.0 17 82 -17 57 54 5 56 51 16 58 35 6 56 11 35 -0.97 137 0 0 57 37 58 8 35 17.4 18 83 -18 58 9 27 57 6 47 58 50 23 56 27 10 -0.97 138 0 0 57 53 7 8 35 15.7 18 84 -18 58 24 33 57 22 0 59 5 23 56 42 28 -0.97 139 0 0 58 7 59 8 35 14.1 19 85 -19 58 39 21 57 36 56 59 20 6 56 57 29 -0.97 140 0 0 58 22 34 8 35 12.4 19 86 -20 58 53 52 57 51 35 59 34 32 57 12 13 -0.97 141 0 0 58 36 52 8 35 10.7 20 87 -20 59 8 6 58 5 57 59 48 40 57 26 40 -0.97 142 0 0 58 50 53 8 35 8.9 21 88 -21 59 22 2 58 20 2 60 2 31 57 40 50 -0.97 143 0 0 59 4 37 8 35 7.1 21 88 -21 59 35 42 58 33 50 60 16 5 57 54 43 -0.97 144 0 0 59 18 4 8 35 5.3 22 89 -22 59 49 5 58 47 21 60 29 22 58 8 20 -0.97 145 0 0 59 31 14 8 35 3.5 22 90 -22 60 2 10 59 0 36 60 42 22 58 21 39 -0.97 146 0 0 59 44 7 8 35 1.7 23 91 -23 60 14 59 59 13 33 60 55 5 58 34 41 -0.97 147 0 0 59 56 43 8 34 59.8 23 92 -23 60 27 31 59 26 13 61 7 31 58 47 27 -0.97 148 0 0 60 9 3 8 34 57.9 24 93 -24 60 39 46 59 38 37 61 19 41 58 59 56 -0.97 149 0 0 60 21 6 8 34 56.0 24 94 -24 60 51 45 59 50 44 61 31 34 59 12 8 -0.97 150 0 0 60 32 52 8 34 54.0 24 95 -25 61 3 27 60 2 34 61 43 10 59 24 3 -0.97 151 0 0 60 44 22 8 34 52.1 25 96 -25 61 14 52 60 14 8 61 54 30 59 35 42 -0.98 152 0 0 60 55 35 8 34 50.1 25 97 -26 61 26 1 60 25 25 62 5 33 59 47 5 -0.98 153 0 0 61 6 32 8 34 48.1 26 98 -26 61 36 54 60 36 27 62 16 21 59 58 11 -0.98 154 0 0 61 17 13 8 34 46.1 26 99 -27 61 47 31 60 47 12 62 26 52 60 9 1 -0.98 155 0 0 61 27 38 8 34 44.1 27 100 -27 61 57 51 60 57 40 62 37 7 60 19 35 -0.98 156 0 0 61 37 46 8 34 42.1 27 101 -28 62 7 56 61 7 53 62 47 6 60 29 53 -0.98 157 0 0 61 47 39 8 34 40.0 28 102 -28 62 17 45 61 17 50 62 56 49 60 39 55 -0.98 158 0 0 61 57 16 8 34 38.0 28 103 -29 62 27 18 61 27 31 63 6 17 60 49 41 -0.98 159 0 0 62 6 38 8 34 35.9 28 104 -29 62 36 35 61 36 56 63 15 29 60 59 11 -0.98 160 0 0 62 15 43 8 34 33.8 29 105 -30 62 45 37 61 46 6 63 24 25 61 8 25 -0.98 161 0 0 62 24 34 8 34 31.7 29 106 -30 62 54 24 61 55 0 63 33 7 61 17 24 -0.98 162 0 0 62 33 9 8 34 29.6 30 107 -30 63 2 55 62 3 39 63 41 33 61 26 7 -0.98 163 0 0 62 41 28 8 34 27.5 30 108 -31 63 11 11 62 12 2 63 49 44 61 34 35 -0.98 164 0 0 62 49 33 8 34 25.3 30 109 -31 63 19 12 62 20 10 63 57 40 61 42 48 -0.98 165 0 0 62 57 23 8 34 23.2 31 110 -32 63 26 58 62 28 3 64 5 21 61 50 45 -0.98 166 0 0 63 4 57 8 34 21.1 31 111 -32 63 34 29 62 35 41 64 12 48 61 58 28 -0.98 167 0 0 63 12 17 8 34 18.9 32 112 -33 63 41 45 62 43 5 64 19 59 62 5 55 -0.98 168 0 0 63 19 23 8 34 16.7 32 113 -33 63 48 47 62 50 13 64 26 57 62 13 8 -0.98 169 0 0 63 26 13 8 34 14.5 32 114 -33 63 55 34 62 57 7 64 33 40 62 20 6 -0.98 170 0 0 63 32 49 8 34 12.4 33 115 -34 64 2 7 63 3 46 64 40 8 62 26 49 -0.98 171 0 0 63 39 11 8 34 10.2 33 117 -34 64 8 26 63 10 11 64 46 23 62 33 18 -0.98 172 0 0 63 45 19 8 34 8.0 33 118 -35 64 14 31 63 16 22 64 52 24 62 39 32 -0.98 173 0 0 63 51 12 8 34 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41 -0.99 -123 0 0 62 29 19 8 31 22.9 45 198 -50 62 59 10 61 59 45 63 37 54 61 22 8 -0.99 -122 0 0 62 20 40 8 31 19.8 45 199 -51 62 50 34 61 51 2 63 29 23 61 13 20 -0.99 -121 0 0 62 11 45 8 31 16.8 45 201 -51 62 41 43 61 42 3 63 20 37 61 4 17 -0.99 -120 0 0 62 2 35 8 31 13.7 45 202 -51 62 32 37 61 32 49 63 11 36 60 54 58 -0.99 -119 0 0 61 53 9 8 31 10.6 45 203 -51 62 23 15 61 23 19 63 2 20 60 45 23 -0.99 -118 0 0 61 43 28 8 31 7.5 45 205 -51 62 13 38 61 13 34 62 52 48 60 35 33 -0.99 -117 0 0 61 33 31 8 31 4.3 45 206 -51 62 3 45 61 3 34 62 43 1 60 25 28 -0.99 -116 0 0 61 23 19 8 31 1.1 45 207 -51 61 53 37 60 53 17 62 32 58 60 15 6 -0.99 -115 0 0 61 12 51 8 30 57.9 45 209 -51 61 43 13 60 42 45 62 22 40 60 4 29 -0.99 -114 0 0 61 2 6 8 30 54.7 45 210 -51 61 32 33 60 31 57 62 12 5 59 53 36 -0.99 -113 0 0 60 51 6 8 30 51.5 45 211 -51 61 21 37 60 20 52 62 1 15 59 42 26 -0.99 -112 0 0 60 39 50 8 30 48.2 45 213 -51 61 10 25 60 9 32 61 50 9 59 31 1 -0.99 -111 0 0 60 28 18 8 30 45.0 45 214 -51 60 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33 19 8 30 0.6 42 232 -49 58 4 52 57 2 5 58 45 52 56 22 25 -0.99 - 97 0 0 57 17 55 8 29 57.1 42 233 -49 57 49 32 56 46 38 58 30 37 56 6 53 -0.99 - 96 0 0 57 2 15 8 29 53.6 42 234 -49 57 33 55 56 30 54 58 15 5 55 51 4 -0.99 - 95 0 0 56 46 18 8 29 50.0 41 236 -48 57 18 2 56 14 53 57 59 17 55 34 59 -0.99 - 94 0 0 56 30 4 8 29 46.4 41 237 -48 57 1 51 55 58 36 57 43 11 55 18 37 -0.99 - 93 0 0 56 13 34 8 29 42.9 41 238 -48 56 45 25 55 42 2 57 26 49 55 2 0 -0.99 - 92 0 0 55 56 47 8 29 39.3 41 239 -48 56 28 41 55 25 12 57 10 10 54 45 6 -0.99 - 91 0 0 55 39 44 8 29 35.7 40 241 -47 56 11 42 55 8 6 56 53 15 54 27 56 -0.99 - 90 0 0 55 22 25 8 29 32.1 40 242 -47 55 54 26 54 50 44 56 36 3 54 10 30 -0.99 - 89 0 0 55 4 50 8 29 28.5 39 243 -47 55 36 54 54 33 6 56 18 35 53 52 48 -0.99 - 88 0 0 54 46 59 8 29 24.9 39 244 -46 55 19 5 54 15 12 56 0 51 53 34 51 -0.99 - 87 0 0 54 28 52 8 29 21.2 39 246 -46 55 1 1 53 57 2 55 42 50 53 16 38 -0.99 - 86 0 0 54 10 29 8 29 17.6 38 247 -46 54 42 41 53 38 37 55 24 34 52 58 9 -0.99 - 85 0 0 53 51 51 8 29 14.0 38 248 -45 54 24 6 53 19 57 55 6 2 52 39 26 -0.99 - 84 0 0 53 32 58 8 29 10.4 37 249 -45 54 5 15 53 1 2 54 47 14 52 20 28 -0.99 - 83 0 0 53 13 50 8 29 6.8 37 250 -44 53 46 9 52 41 51 54 28 11 52 1 15 -0.99 - 82 0 0 52 54 27 8 29 3.2 37 252 -44 53 26 48 52 22 26 54 8 53 51 41 47 -0.99 - 81 0 0 52 34 50 8 28 59.6 36 253 -44 53 7 13 52 2 47 53 49 20 51 22 6 -0.99 - 80 0 0 52 14 58 8 28 56.0 36 254 -43 52 47 23 51 42 54 53 29 33 51 2 10 -0.99 - 79 0 0 51 54 52 8 28 52.4 35 255 -43 52 27 19 51 22 46 53 9 31 50 42 1 -0.99 - 78 0 0 51 34 33 8 28 48.9 35 256 -42 52 7 1 51 2 26 52 49 15 50 21 38 -0.99 - 77 0 0 51 14 1 8 28 45.3 34 257 -42 51 46 30 50 41 52 52 28 45 50 1 3 -0.99 - 76 0 0 50 53 15 8 28 41.8 34 258 -41 51 25 45 50 21 5 52 8 2 49 40 15 -0.99 - 75 0 0 50 32 17 8 28 38.3 33 259 -41 51 4 48 50 0 6 51 47 6 49 19 15 -0.99 - 74 0 0 50 11 6 8 28 34.8 32 260 -40 50 43 38 49 38 55 51 25 58 48 58 2 -0.99 - 73 0 0 49 49 44 8 28 31.4 32 261 -40 50 22 17 49 17 32 51 4 37 48 36 39 -0.99 - 72 0 0 49 28 10 8 28 27.9 31 262 -39 50 0 43 48 55 58 50 43 4 48 15 4 -0.99 - 71 0 0 49 6 25 8 28 24.5 31 263 -38 49 38 59 48 34 12 50 21 20 47 53 18 -0.99 - 70 0 0 48 44 30 8 28 21.2 30 264 -38 49 17 4 48 12 17 49 59 25 47 31 23 -0.99 - 69 0 0 48 22 25 8 28 17.8 30 265 -37 48 54 58 47 50 12 49 37 19 47 9 18 -0.99 - 68 0 0 48 0 10 8 28 14.6 29 266 -37 48 32 43 47 27 57 49 15 4 46 47 3 -0.99 - 67 0 0 47 37 45 8 28 11.3 28 267 -36 48 10 18 47 5 33 48 52 39 46 24 40 -0.99 - 66 0 0 47 15 13 8 28 8.1 28 268 -35 47 47 45 46 43 1 48 30 5 46 2 9 -0.99 - 65 0 0 46 52 32 8 28 5.0 27 269 -35 47 25 4 46 20 21 48 7 22 45 39 29 -0.99 - 64 0 0 46 29 44 8 28 1.9 26 270 -34 47 2 14 45 57 34 47 44 32 45 16 43 -0.99 - 63 0 0 46 6 49 8 27 58.8 26 271 -33 46 39 18 45 34 39 47 21 34 44 53 50 -0.99 - 62 0 0 45 43 47 8 27 55.8 25 272 -33 46 16 15 45 11 39 46 58 29 44 30 51 -0.99 - 61 0 0 45 20 39 8 27 52.9 24 273 -32 45 53 6 44 48 33 46 35 18 44 7 47 -0.99 - 60 0 0 44 57 27 8 27 50.0 23 274 -31 45 29 52 44 25 22 46 12 2 43 44 38 -0.99 - 59 0 0 44 34 9 8 27 47.2 23 274 -30 45 6 33 44 2 6 45 48 41 43 21 24 -0.99 - 58 0 0 44 10 48 8 27 44.5 22 275 -30 44 43 10 43 38 47 45 25 15 42 58 7 -1.00 - 57 0 0 43 47 24 8 27 41.8 21 276 -29 44 19 43 43 15 24 45 1 45 42 34 47 -1.00 - 56 0 0 43 23 56 8 27 39.2 20 277 -28 43 56 14 42 51 59 44 38 13 42 11 24 -1.00 - 55 0 0 43 0 27 8 27 36.7 20 278 -27 43 32 42 42 28 32 44 14 38 41 48 0 -1.00 - 54 0 0 42 36 56 8 27 34.2 19 278 -27 43 9 8 42 5 3 43 51 1 41 24 34 -1.00 - 53 0 0 42 13 24 8 27 31.9 18 279 -26 42 45 34 41 41 34 43 27 24 41 1 8 -1.00 - 52 0 0 41 49 52 8 27 29.6 17 280 -25 42 22 0 41 18 5 43 3 45 40 37 42 -1.00 - 51 0 0 41 26 21 8 27 27.4 17 281 -24 41 58 26 40 54 36 42 40 7 40 14 17 -1.01 - 50 0 0 41 2 51 8 27 25.3 16 281 -24 41 34 53 40 31 9 42 16 31 39 50 54 -1.01 - 49 0 0 40 39 23 8 27 23.3 15 282 -23 41 11 22 40 7 44 41 52 55 39 27 32 -1.01 - 48 0 0 40 15 58 8 27 21.4 14 283 -22 40 47 53 39 44 22 41 29 23 39 4 14 -1.01 - 47 0 0 39 52 36 8 27 19.6 13 283 -21 40 24 28 39 21 3 41 5 53 38 40 59 -1.01 - 46 0 0 39 29 18 8 27 17.9 12 284 -20 40 1 6 38 57 48 40 42 27 38 17 48 -1.02 - 45 0 0 39 6 4 8 27 16.3 12 285 -19 39 37 49 38 34 38 40 19 5 37 54 42 -1.02 - 44 0 0 38 42 56 8 27 14.8 11 285 -19 39 14 38 38 11 34 39 55 49 37 31 42 -1.03 - 43 0 0 38 19 54 8 27 13.4 10 286 -18 38 51 32 37 48 35 39 32 38 37 8 48 -1.03 - 42 0 0 37 56 59 8 27 12.1 9 287 -17 38 28 33 37 25 43 39 9 34 36 46 0 -1.04 - 41 0 0 37 34 11 8 27 10.9 8 287 -16 38 5 41 37 2 59 38 46 37 36 23 21 -1.04 - 40 0 0 37 11 31 8 27 9.9 7 288 -15 37 42 57 36 40 23 38 23 48 36 0 49 -1.05 - 39 0 0 36 48 59 8 27 8.9 6 289 -14 37 20 22 36 17 55 38 1 8 35 38 27 -1.07 - 38 0 0 36 26 38 8 27 8.1 6 289 -13 36 57 56 35 55 37 37 38 37 35 16 13 -1.08 - 37 0 0 36 4 26 8 27 7.4 5 290 -12 36 35 40 35 33 29 37 16 16 34 54 10 -1.10 - 36 0 0 35 42 25 8 27 6.8 4 290 -12 36 13 35 35 11 32 36 54 5 34 32 18 -1.13 - 35 0 0 35 20 35 8 27 6.3 3 291 -11 35 51 41 34 49 47 36 32 6 34 10 37 -1.18 - 34 0 0 34 58 58 8 27 6.0 2 291 -10 35 30 0 34 28 13 36 10 19 33 49 9 -1.27 - 33 0 0 34 37 33 8 27 5.7 1 292 -9 35 8 31 34 6 52 35 48 44 33 27 53 -1.52 - 32 0 0 34 16 21 8 27 5.6 0 293 -8 34 47 15 33 45 44 35 27 23 .. .. .. -3.54 Uncertainty in time = +/- 5 secs Prediction of 2022 Dec 1.1 Data for the target star ------------------------ * name: UCAC4 544-011563 * constellation : Taurus * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 04 57 54.1942 DE: +18 41 44.076 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 04 57 54.1942 DE: +18 41 44.076 * position source: Gaia14_DR2 * standard error: RA,DE [mas]: (8.500,5.400) * V mag [mag]: 12.2 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (2260) Neoptolemus asteroid class: approx. diameter [km]: 75 approx. diameter ["]: 0.026 distance from Earth [AU]: 4.01140 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#56 date of fit: 2022 Nov 22 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): 0.026", 0.009", 66.223° remarks: * orbital elements for (2260)Neoptolemus : Mean anomaly = 25.2754602076 deg Arg. of pericenter = 321.9283360491 deg Long. of node = 86.5798188699 deg Inclination = 17.7752862338 deg Eccentricity = 0.0452595255 Semimajor axis = 5.1992049476 AU Perihelion dist = 4.9638913988 AU Mag: H = 9.41, G = 0.15 Epoch of elements : MJD 59927.35500000 TDT (2022 Dec 14.3550) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#562022Nov22,4.27,2022,12,14,8.523412,0.100561,0.692181,-9.820964,1.424312,0.000645,0.000489,0.000002,0.000000 -136.0339,18.7313,50.79,-23.22,False UCAC4 544-011563,4.96505395,18.6955767,0.00,12.18,0.00,0.0,0,K,4.98761113,18.7313491,4.01,0.00,0,0,0 2260,Neoptolemus,16.16,75.0,4.0114,0,0,-1.515,3.12,,5.2,0 0,25.2459,2022,12,14,321.9283,86.5798,17.7753,0.04526,5.19920,4.96389,9.45,5.0,0.15 1.642,0.0272,0.0105,68,0.0166,Known errors,-1.00,-1,-1,-1 20221214_011563,59914.08 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2022 Dec 01, 02:00 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org