IOTA/IOTA-ES occultation update for (1428) Mombasa / UCAC4 514-020777 event on 2023 Dec 26, 06:56 UT Visible from SW USA Summary ------- On 2023 Dec 26 UT, the 55.4 km diameter asteroid (1428) Mombasa will occult a 14.3 mag star in the constellation Orion for observers along a path across SW USA. In the case of an occultation, the combined light of the asteroid and the star will drop by 0.64 mag to 14.05 mag (the magnitude of the asteroid) for at most 4.020 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: 2023 Dec 26, 06:48 - 2023 Dec 26, 07:03 * geocentric midpoint of event [JD]: 2460304.78905971 * magnitude of target star: 14.29 * magnitude drop [mag]: 0.64 * estimated maximum duration [s]: 4.020 * Moon: 99 % sunlit, 17° distance * Sun: 169° distance * rough path description: SW USA The occultation path -------------------- * approximate projected width [km]: 58 * 1 sigma uncertainty interval [path widths]: +/- 0.23 * 1 sigma uncertainty interval [seconds]: +/- 1.2 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.016, +/- 0.004) * 1 sigma uncertainty ellipse (major, minor, PA): (0.016", 0.001", 75°) * approx speed of asteroid's shadow [km/s]: 13.7834 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of UCAC4 514-020777 by 1428 Mombasa on 2023 Dec 26 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 152 0 0 39 55 57 7 3 36.2 0 74 -6 40 12 18 39 39 38 40 19 56 39 32 2 .... 153 0 0 40 9 30 7 3 36.1 1 74 -7 40 25 48 39 53 12 40 33 25 39 45 37 -0.28 154 0 0 40 22 38 7 3 35.9 2 75 -8 40 38 55 40 6 23 40 46 31 39 58 49 -0.29 155 0 0 40 35 24 7 3 35.7 3 75 -8 40 51 38 40 19 10 40 59 13 40 11 37 -0.29 156 0 0 40 47 45 7 3 35.3 3 76 -9 41 3 58 40 31 34 41 11 32 40 24 1 -0.29 157 0 0 40 59 44 7 3 34.9 4 77 -10 41 15 55 40 43 34 41 23 28 40 36 3 -0.30 158 0 0 41 11 19 7 3 34.3 5 77 -11 41 27 28 40 55 11 41 35 1 40 47 40 -0.30 159 0 0 41 22 31 7 3 33.7 6 78 -11 41 38 39 41 6 25 41 46 10 40 58 55 -0.30 160 0 0 41 33 20 7 3 33.0 7 79 -12 41 49 26 41 17 16 41 56 57 41 9 47 -0.30 161 0 0 41 43 47 7 3 32.2 7 79 -13 41 59 51 41 27 44 42 7 21 41 20 15 -0.30 162 0 0 41 53 50 7 3 31.4 8 80 -14 42 9 53 41 37 49 42 17 22 41 30 21 -0.30 163 0 0 42 3 31 7 3 30.4 9 81 -14 42 19 32 41 47 31 42 27 1 41 40 4 -0.30 164 0 0 42 12 49 7 3 29.4 10 81 -15 42 28 49 41 56 51 42 36 16 41 49 24 -0.30 165 0 0 42 21 44 7 3 28.3 10 82 -16 42 37 43 42 5 48 42 45 10 41 58 22 -0.30 166 0 0 42 30 18 7 3 27.1 11 83 -17 42 46 15 42 14 22 42 53 41 42 6 57 -0.30 167 0 0 42 38 29 7 3 25.8 12 83 -17 42 54 24 42 22 34 43 1 50 42 15 10 -0.30 168 0 0 42 46 17 7 3 24.5 13 84 -18 43 2 12 42 30 24 43 9 37 42 23 1 -0.30 169 0 0 42 53 44 7 3 23.1 13 85 -19 43 9 37 42 37 52 43 17 2 42 30 29 -0.30 170 0 0 43 0 49 7 3 21.6 14 86 -20 43 16 41 42 44 58 43 24 5 42 37 35 -0.30 171 0 0 43 7 31 7 3 20.1 15 86 -20 43 23 22 42 51 42 43 30 46 42 44 20 -0.30 172 0 0 43 13 52 7 3 18.5 15 87 -21 43 29 42 42 58 4 43 37 6 42 50 42 -0.30 173 0 0 43 19 52 7 3 16.8 16 88 -22 43 35 40 43 4 4 43 43 3 42 56 43 -0.30 174 0 0 43 25 29 7 3 15.0 17 88 -23 43 41 17 43 9 43 43 48 39 43 2 22 -0.30 175 0 0 43 30 45 7 3 13.2 18 89 -23 43 46 32 43 14 59 43 53 54 43 7 39 -0.30 176 0 0 43 35 39 7 3 11.3 18 90 -24 43 51 26 43 19 55 43 58 47 43 12 34 -0.30 177 0 0 43 40 12 7 3 9.3 19 90 -25 43 55 58 43 24 28 44 3 19 43 17 9 -0.30 178 0 0 43 44 24 7 3 7.3 20 91 -25 44 0 9 43 28 41 44 7 30 43 21 21 -0.30 179 0 0 43 48 14 7 3 5.2 21 92 -26 44 3 59 43 32 32 44 11 19 43 25 12 -0.30 -180 0 0 43 51 44 7 3 3.0 21 93 -27 44 7 27 43 36 1 44 14 48 43 28 42 -0.30 -179 0 0 43 54 52 7 3 0.8 22 93 -28 44 10 35 43 39 10 44 17 55 43 31 51 -0.30 -178 0 0 43 57 38 7 2 58.5 23 94 -28 44 13 21 43 41 57 44 20 41 43 34 38 -0.30 -177 0 0 44 0 4 7 2 56.1 23 95 -29 44 15 46 43 44 23 44 23 6 43 37 5 -0.30 -176 0 0 44 2 9 7 2 53.7 24 95 -30 44 17 51 43 46 28 44 25 10 43 39 10 -0.30 -175 0 0 44 3 53 7 2 51.2 25 96 -30 44 19 34 43 48 12 44 26 54 43 40 54 -0.31 -174 0 0 44 5 15 7 2 48.6 25 97 -31 44 20 57 43 49 35 44 28 16 43 42 17 -0.31 -173 0 0 44 6 17 7 2 46.0 26 98 -32 44 21 59 43 50 37 44 29 18 43 43 19 -0.31 -172 0 0 44 6 58 7 2 43.3 27 98 -33 44 22 40 43 51 18 44 29 59 43 44 0 -0.31 -171 0 0 44 7 18 7 2 40.5 28 99 -33 44 23 0 43 51 38 44 30 19 43 44 21 -0.31 -170 0 0 44 7 18 7 2 37.7 28 100 -34 44 22 59 43 51 38 44 30 18 43 44 20 -0.31 -169 0 0 44 6 56 7 2 34.8 29 101 -35 44 22 38 43 51 16 44 29 57 43 43 58 -0.31 -168 0 0 44 6 14 7 2 31.9 30 101 -35 44 21 55 43 50 33 44 29 15 43 43 15 -0.31 -167 0 0 44 5 11 7 2 28.9 30 102 -36 44 20 53 43 49 30 44 28 12 43 42 12 -0.31 -166 0 0 44 3 47 7 2 25.8 31 103 -37 44 19 29 43 48 6 44 26 49 43 40 48 -0.31 -165 0 0 44 2 2 7 2 22.7 32 104 -38 44 17 45 43 46 21 44 25 4 43 39 2 -0.31 -164 0 0 43 59 57 7 2 19.5 32 104 -38 44 15 39 43 44 15 44 23 0 43 36 56 -0.31 -163 0 0 43 57 30 7 2 16.2 33 105 -39 44 13 14 43 41 48 44 20 34 43 34 29 -0.31 -162 0 0 43 54 43 7 2 12.9 34 106 -40 44 10 27 43 39 0 44 17 48 43 31 41 -0.31 -161 0 0 43 51 35 7 2 9.5 35 107 -40 44 7 20 43 35 52 44 14 40 43 28 33 -0.31 -160 0 0 43 48 6 7 2 6.0 35 108 -41 44 3 51 43 32 22 44 11 13 43 25 3 -0.31 -159 0 0 43 44 17 7 2 2.5 36 108 -42 44 0 2 43 28 32 44 7 24 43 21 12 -0.31 -158 0 0 43 40 6 7 1 58.9 37 109 -43 43 55 53 43 24 21 44 3 15 43 17 0 -0.31 -157 0 0 43 35 35 7 1 55.2 37 110 -43 43 51 22 43 19 48 43 58 44 43 12 28 -0.31 -156 0 0 43 30 42 7 1 51.5 38 111 -44 43 46 30 43 14 55 43 53 53 43 7 34 -0.31 -155 0 0 43 25 29 7 1 47.7 39 112 -45 43 41 18 43 9 41 43 48 41 43 2 19 -0.31 -154 0 0 43 19 54 7 1 43.8 39 112 -45 43 35 44 43 4 5 43 43 8 42 56 43 -0.31 -153 0 0 43 13 59 7 1 39.9 40 113 -46 43 29 50 42 58 9 43 37 14 42 50 46 -0.31 -152 0 0 43 7 42 7 1 35.9 41 114 -47 43 23 34 42 51 51 43 30 59 42 44 28 -0.31 -151 0 0 43 1 4 7 1 31.9 42 115 -48 43 16 58 42 45 12 43 24 23 42 37 49 -0.31 -150 0 0 42 54 5 7 1 27.8 42 116 -48 43 10 0 42 38 12 43 17 26 42 30 48 -0.31 -149 0 0 42 46 45 7 1 23.6 43 117 -49 43 2 41 42 30 50 43 10 7 42 23 26 -0.31 -148 0 0 42 39 4 7 1 19.3 44 117 -50 42 55 1 42 23 8 43 2 27 42 15 42 -0.31 -147 0 0 42 31 1 7 1 15.0 44 118 -51 42 46 59 42 15 3 42 54 27 42 7 38 -0.31 -146 0 0 42 22 36 7 1 10.6 45 119 -51 42 38 36 42 6 38 42 46 4 41 59 11 -0.31 -145 0 0 42 13 51 7 1 6.1 46 120 -52 42 29 52 41 57 51 42 37 21 41 50 24 -0.31 -144 0 0 42 4 43 7 1 1.6 46 121 -53 42 20 46 41 48 42 42 28 16 41 41 14 -0.31 -143 0 0 41 55 15 7 0 57.0 47 122 -53 42 11 19 41 39 12 42 18 49 41 31 43 -0.31 -142 0 0 41 45 24 7 0 52.3 48 123 -54 42 1 30 41 29 20 42 9 1 41 21 51 -0.31 -141 0 0 41 35 12 7 0 47.5 49 124 -55 41 51 20 41 19 6 41 58 51 41 11 36 -0.31 -140 0 0 41 24 38 7 0 42.7 49 125 -56 41 40 48 41 8 31 41 48 20 41 1 0 -0.31 -139 0 0 41 13 43 7 0 37.8 50 126 -56 41 29 54 40 57 34 41 37 27 40 50 2 -0.31 -138 0 0 41 2 26 7 0 32.9 51 127 -57 41 18 38 40 46 15 41 26 12 40 38 42 -0.31 -137 0 0 40 50 46 7 0 27.8 51 128 -58 41 7 1 40 34 34 41 14 35 40 27 0 -0.31 -136 0 0 40 38 45 7 0 22.7 52 129 -59 40 55 1 40 22 31 41 2 37 40 14 57 -0.31 -135 0 0 40 26 22 7 0 17.5 53 130 -60 40 42 40 40 10 6 40 50 16 40 2 31 -0.31 -134 0 0 40 13 37 7 0 12.3 54 131 -60 40 29 57 39 57 19 40 37 34 39 49 43 -0.31 -133 0 0 40 0 30 7 0 6.9 54 132 -61 40 16 51 39 44 10 40 24 29 39 36 33 -0.31 -132 0 0 39 47 1 7 0 1.5 55 133 -62 40 3 24 39 30 39 40 11 3 39 23 1 -0.31 -131 0 0 39 33 9 6 59 56.1 56 134 -63 39 49 34 39 16 45 39 57 14 39 9 7 -0.31 -130 0 0 39 18 56 6 59 50.5 56 135 -63 39 35 23 39 2 30 39 43 4 38 54 51 -0.31 -129 0 0 39 4 20 6 59 44.9 57 137 -64 39 20 49 38 47 52 39 28 31 38 40 12 -0.31 -128 0 0 38 49 22 6 59 39.2 58 138 -65 39 5 53 38 32 53 39 13 36 38 25 12 -0.31 -127 0 0 38 34 2 6 59 33.4 58 139 -66 38 50 35 38 17 31 38 58 19 38 9 49 -0.31 -126 0 0 38 18 20 6 59 27.6 59 140 -66 38 34 55 38 1 47 38 42 40 37 54 4 -0.31 -125 0 0 38 2 16 6 59 21.6 60 142 -67 38 18 53 37 45 40 38 26 38 37 37 57 -0.31 -124 0 0 37 45 49 6 59 15.6 60 143 -68 38 2 29 37 29 12 38 10 15 37 21 27 -0.31 -123 0 0 37 29 1 6 59 9.6 61 144 -69 37 45 42 37 12 21 37 53 29 37 4 36 -0.31 -122 0 0 37 11 50 6 59 3.4 62 146 -70 37 28 33 36 55 8 37 36 22 36 47 22 -0.31 -121 0 0 36 54 17 6 58 57.2 63 147 -70 37 11 2 36 37 33 37 18 52 36 29 46 -0.31 -120 0 0 36 36 22 6 58 50.9 63 149 -71 36 53 10 36 19 37 37 1 0 36 11 48 -0.31 -119 0 0 36 18 5 6 58 44.5 64 151 -72 36 34 55 36 1 18 36 42 46 35 53 28 -0.31 -118 0 0 35 59 27 6 58 38.1 64 152 -73 36 16 18 35 42 37 36 24 10 35 34 47 -0.31 -117 0 0 35 40 26 6 58 31.6 65 154 -74 35 57 20 35 23 34 36 5 13 35 15 43 -0.31 -116 0 0 35 21 4 6 58 25.0 66 156 -74 35 37 59 35 4 10 35 45 54 34 56 18 -0.31 -115 0 0 35 1 20 6 58 18.4 66 158 -75 35 18 18 34 44 24 35 26 13 34 36 31 -0.31 -114 0 0 34 41 15 6 58 11.6 67 160 -76 34 58 14 34 24 17 35 6 10 34 16 23 -0.31 -113 0 0 34 20 48 6 58 4.8 68 162 -77 34 37 49 34 3 48 34 45 46 33 55 53 -0.31 -112 0 0 34 0 0 6 57 58.0 68 164 -77 34 17 3 33 42 58 34 25 1 33 35 3 -0.31 -111 0 0 33 38 51 6 57 51.1 69 167 -78 33 55 56 33 21 47 34 3 55 33 13 51 -0.31 -110 0 0 33 17 21 6 57 44.1 69 169 -79 33 34 28 33 0 16 33 42 28 32 52 18 -0.31 -109 0 0 32 55 30 6 57 37.0 70 171 -79 33 12 40 32 38 23 33 20 40 32 30 25 -0.31 -108 0 0 32 33 19 6 57 29.9 70 174 -80 32 50 30 32 16 10 32 58 32 32 8 11 -0.31 -107 0 0 32 10 48 6 57 22.7 71 177 -81 32 28 1 31 53 37 32 36 3 31 45 37 -0.31 -106 0 0 31 47 57 6 57 15.5 71 180 -81 32 5 11 31 30 44 32 13 14 31 22 43 -0.31 -105 0 0 31 24 45 6 57 8.2 71 183 -82 31 42 2 31 7 31 31 50 5 30 59 29 -0.31 -104 0 0 31 1 15 6 57 0.8 72 186 -82 31 18 33 30 43 58 31 26 37 30 35 56 -0.31 -103 0 0 30 37 25 6 56 53.4 72 189 -82 30 54 44 30 20 7 31 2 50 30 12 3 -0.31 -102 0 0 30 13 16 6 56 45.9 72 192 -83 30 30 37 29 55 56 30 38 43 29 47 52 -0.31 -101 0 0 29 48 48 6 56 38.4 72 196 -83 30 6 11 29 31 27 30 14 18 29 23 23 -0.31 -100 0 0 29 24 3 6 56 30.9 73 199 -83 29 41 27 29 6 40 29 49 35 28 58 35 -0.31 - 99 0 0 28 58 59 6 56 23.3 73 203 -83 29 16 25 28 41 35 29 24 33 28 33 29 -0.31 - 98 0 0 28 33 38 6 56 15.6 73 206 -82 28 51 5 28 16 13 28 59 14 28 8 6 -0.31 - 97 0 0 28 8 0 6 56 7.9 73 210 -82 28 25 29 27 50 33 28 33 38 27 42 26 -0.31 - 96 0 0 27 42 5 6 56 0.2 73 213 -81 27 59 35 27 24 37 28 7 45 27 16 29 -0.31 - 95 0 0 27 15 54 6 55 52.4 72 217 -81 27 33 25 26 58 25 27 41 36 26 50 17 -0.31 - 94 0 0 26 49 28 6 55 44.6 72 220 -80 27 7 0 26 31 57 27 15 11 26 23 48 -0.31 - 93 0 0 26 22 46 6 55 36.8 72 223 -80 26 40 19 26 5 14 26 48 31 25 57 4 -0.31 - 92 0 0 25 55 49 6 55 28.9 72 227 -79 26 13 23 25 38 16 26 21 35 25 30 6 -0.31 - 91 0 0 25 28 38 6 55 21.0 71 230 -78 25 46 13 25 11 4 25 54 26 25 2 53 -0.31 - 90 0 0 25 1 13 6 55 13.1 71 233 -77 25 18 49 24 43 38 25 27 2 24 35 27 -0.31 - 89 0 0 24 33 35 6 55 5.2 71 236 -76 24 51 12 24 15 59 24 59 25 24 7 48 -0.31 - 88 0 0 24 5 44 6 54 57.3 70 239 -76 24 23 22 23 48 8 24 31 36 23 39 56 -0.31 - 87 0 0 23 37 41 6 54 49.4 70 241 -75 23 55 20 23 20 4 24 3 34 23 11 52 -0.31 - 86 0 0 23 9 27 6 54 41.4 69 244 -74 23 27 6 22 51 50 23 35 21 22 43 37 -0.31 - 85 0 0 22 41 2 6 54 33.5 68 246 -73 22 58 42 22 23 24 23 6 57 22 15 11 -0.31 - 84 0 0 22 12 27 6 54 25.5 68 249 -72 22 30 7 21 54 48 22 38 22 21 46 36 -0.31 - 83 0 0 21 43 42 6 54 17.6 67 251 -71 22 1 23 21 26 3 22 9 38 21 17 50 -0.31 - 82 0 0 21 14 48 6 54 9.7 66 253 -70 21 32 29 20 57 9 21 40 45 20 48 56 -0.31 - 81 0 0 20 45 47 6 54 1.8 66 255 -69 21 3 28 20 28 7 21 11 43 20 19 54 -0.31 - 80 0 0 20 16 37 6 53 53.9 65 257 -68 20 34 19 19 58 58 20 42 34 19 50 44 -0.31 - 79 0 0 19 47 21 6 53 46.0 64 258 -67 20 5 2 19 29 42 20 13 18 19 21 28 -0.31 - 78 0 0 19 17 59 6 53 38.2 63 260 -66 19 35 40 19 0 19 19 43 56 18 52 6 -0.31 - 77 0 0 18 48 31 6 53 30.4 62 262 -65 19 6 13 18 30 52 19 14 28 18 22 38 -0.31 - 76 0 0 18 18 59 6 53 22.6 62 263 -64 18 36 40 18 1 20 18 44 56 17 53 6 -0.31 - 75 0 0 17 49 23 6 53 14.9 61 264 -63 18 7 4 17 31 44 18 15 19 17 23 31 -0.31 - 74 0 0 17 19 43 6 53 7.2 60 266 -62 17 37 24 17 2 5 17 45 39 16 53 52 -0.31 - 73 0 0 16 50 2 6 52 59.6 59 267 -61 17 7 42 16 32 23 17 15 57 16 24 11 -0.31 - 72 0 0 16 20 18 6 52 52.0 58 268 -60 16 37 58 16 2 40 16 46 13 15 54 28 -0.31 - 71 0 0 15 50 34 6 52 44.5 57 269 -59 16 8 13 15 32 57 16 16 28 15 24 44 -0.31 - 70 0 0 15 20 50 6 52 37.0 56 270 -58 15 38 28 15 3 13 15 46 43 14 55 1 -0.31 - 69 0 0 14 51 6 6 52 29.6 55 271 -57 15 8 44 14 33 30 15 16 58 14 25 18 -0.31 - 68 0 0 14 21 24 6 52 22.3 54 272 -56 14 39 1 14 3 49 14 47 15 13 55 37 -0.30 - 67 0 0 13 51 44 6 52 15.0 53 273 -55 14 9 20 13 34 9 14 17 33 13 25 58 -0.30 - 66 0 0 13 22 7 6 52 7.9 52 274 -54 13 39 42 13 4 33 13 47 55 12 56 23 -0.30 - 65 0 0 12 52 33 6 52 0.8 51 274 -53 13 10 8 12 35 1 13 18 20 12 26 51 -0.30 - 64 0 0 12 23 5 6 51 53.8 50 275 -51 12 40 38 12 5 33 12 48 50 11 57 23 -0.30 - 63 0 0 11 53 41 6 51 46.9 49 276 -50 12 11 14 11 36 11 12 19 25 11 28 2 -0.30 - 62 0 0 11 24 24 6 51 40.1 48 277 -49 11 41 55 11 6 55 11 50 6 10 58 46 -0.30 - 61 0 0 10 55 13 6 51 33.3 47 277 -48 11 12 43 10 37 45 11 20 53 10 29 37 -0.30 - 60 0 0 10 26 10 6 51 26.7 46 278 -47 10 43 39 10 8 43 10 51 48 10 0 36 -0.30 - 59 0 0 9 57 16 6 51 20.2 45 278 -46 10 14 43 9 39 50 10 22 52 9 31 43 -0.30 - 58 0 0 9 28 30 6 51 13.8 44 279 -45 9 45 56 9 11 6 9 54 4 9 3 0 -0.30 - 57 0 0 8 59 54 6 51 7.5 43 279 -44 9 17 18 8 42 31 9 25 26 8 34 26 -0.30 - 56 0 0 8 31 29 6 51 1.4 42 280 -43 8 48 51 8 14 7 8 56 58 8 6 3 -0.30 - 55 0 0 8 3 14 6 50 55.3 41 280 -42 8 20 36 7 45 55 8 28 42 7 37 51 -0.30 - 54 0 0 7 35 12 6 50 49.4 40 280 -41 7 52 32 7 17 54 8 0 37 7 9 51 -0.30 - 53 0 0 7 7 22 6 50 43.6 39 281 -40 7 24 40 6 50 6 7 32 45 6 42 3 -0.30 - 52 0 0 6 39 46 6 50 37.9 38 281 -39 6 57 2 6 22 31 7 5 6 6 14 30 -0.30 - 51 0 0 6 12 23 6 50 32.4 37 281 -38 6 29 38 5 55 11 6 37 41 5 47 10 -0.30 - 50 0 0 5 45 16 6 50 27.0 36 282 -37 6 2 28 5 28 4 6 10 30 5 20 4 -0.30 - 49 0 0 5 18 23 6 50 21.7 35 282 -35 5 35 34 5 1 13 5 43 35 4 53 14 -0.31 - 48 0 0 4 51 46 6 50 16.6 34 282 -34 5 8 55 4 34 38 5 16 55 4 26 40 -0.31 - 47 0 0 4 25 25 6 50 11.6 33 282 -33 4 42 33 4 8 20 4 50 32 4 0 22 -0.31 - 46 0 0 3 59 22 6 50 6.7 32 283 -32 4 16 27 3 42 18 4 24 26 3 34 21 -0.31 - 45 0 0 3 33 36 6 50 2.0 31 283 -31 3 50 39 3 16 34 3 58 37 3 8 38 -0.31 - 44 0 0 3 8 8 6 49 57.5 30 283 -30 3 25 10 2 51 8 3 33 6 2 43 13 -0.31 - 43 0 0 2 42 59 6 49 53.1 29 283 -29 2 59 59 2 26 1 3 7 54 2 18 7 -0.31 - 42 0 0 2 18 9 6 49 48.8 28 283 -28 2 35 7 2 1 13 2 43 2 1 53 20 -0.31 - 41 0 0 1 53 39 6 49 44.7 27 283 -27 2 10 35 1 36 45 2 18 29 1 28 53 -0.31 - 40 0 0 1 29 29 6 49 40.7 26 283 -26 1 46 23 1 12 37 1 54 16 1 4 46 -0.31 - 39 0 0 1 5 40 6 49 36.9 25 284 -25 1 22 31 0 48 50 1 30 24 0 41 0 -0.31 - 38 0 0 0 42 12 6 49 33.3 24 284 -24 0 59 1 0 25 24 1 6 53 0 17 35 -0.31 - 37 0 0 0 19 6 6 49 29.8 23 284 -23 0 35 53 0 2 20 0 43 43 - 0 5 29 -0.31 - 36 0 0 - 0 3 39 6 49 26.4 21 284 -22 0 13 7 - 0 20 23 0 20 56 - 0 28 10 -0.31 - 35 0 0 - 0 26 1 6 49 23.2 20 284 -21 - 0 9 17 - 0 42 43 - 0 1 29 - 0 50 29 -0.31 - 34 0 0 - 0 48 0 6 49 20.2 19 284 -20 - 0 31 18 - 1 4 40 - 0 23 31 - 1 12 25 -0.31 - 33 0 0 - 1 9 36 6 49 17.3 18 284 -19 - 0 52 56 - 1 26 13 - 0 45 10 - 1 33 58 -0.31 - 32 0 0 - 1 30 48 6 49 14.6 17 284 -17 - 1 14 11 - 1 47 24 - 1 6 25 - 1 55 7 -0.31 - 31 0 0 - 1 51 36 6 49 12.1 16 284 -16 - 1 35 1 - 2 8 10 - 1 27 16 - 2 15 53 -0.31 - 30 0 0 - 2 12 0 6 49 9.7 15 284 -15 - 1 55 27 - 2 28 32 - 1 47 43 - 2 36 14 -0.32 - 29 0 0 - 2 31 59 6 49 7.4 14 284 -14 - 2 15 28 - 2 48 29 - 2 7 45 - 2 56 10 -0.32 - 28 0 0 - 2 51 33 6 49 5.3 13 284 -13 - 2 35 4 - 3 8 1 - 2 27 22 - 3 15 41 -0.32 - 27 0 0 - 3 10 43 6 49 3.4 12 284 -12 - 2 54 15 - 3 27 8 - 2 46 34 - 3 34 48 -0.32 - 26 0 0 - 3 29 26 6 49 1.7 11 284 -11 - 3 13 1 - 3 45 50 - 3 5 21 - 3 53 28 -0.32 - 25 0 0 - 3 47 44 6 49 0.1 10 284 -10 - 3 31 20 - 4 4 6 - 3 23 41 - 4 11 43 -0.32 - 24 0 0 - 4 5 36 6 48 58.6 9 284 -9 - 3 49 14 - 4 21 56 - 3 41 36 - 4 29 32 -0.33 - 23 0 0 - 4 23 1 6 48 57.3 8 284 -8 - 4 6 41 - 4 39 19 - 3 59 4 - 4 46 55 -0.33 - 22 0 0 - 4 40 0 6 48 56.2 7 283 -7 - 4 23 42 - 4 56 17 - 4 16 6 - 5 3 51 -0.34 - 21 0 0 - 4 56 32 6 48 55.2 6 283 -6 - 4 40 16 - 5 12 47 - 4 32 40 - 5 20 21 -0.34 - 20 0 0 - 5 12 37 6 48 54.4 5 283 -5 - 4 56 23 - 5 28 50 - 4 48 48 - 5 36 24 -0.35 - 19 0 0 - 5 28 15 6 48 53.8 4 283 -4 - 5 12 3 - 5 44 27 - 5 4 29 - 5 51 59 -0.36 - 18 0 0 - 5 43 26 6 48 53.3 3 283 -3 - 5 27 15 - 5 59 36 - 5 19 42 - 6 7 7 -0.39 - 17 0 0 - 5 58 9 6 48 52.9 2 283 -2 - 5 42 0 - 6 14 17 - 5 34 27 - 6 21 48 -0.43 - 16 0 0 - 6 12 25 6 48 52.7 1 283 -1 - 5 56 17 - 6 28 31 - 5 48 45 - 6 36 1 -0.61 Uncertainty in time = +/- 1 secs Prediction of 2023 Nov 13.9 Data for the target star ------------------------ * name: UCAC4 514-020777 * constellation : Orion * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 06 10 23.5758 DE: +12 45 28.797 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 06 10 23.5758 DE: +12 45 28.797 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.200) * V mag [mag]: 14.3 * B mag [mag]: 14.8 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (1428) Mombasa asteroid class: approx. diameter [km]: 55 approx. diameter ["]: 0.044 distance from Earth [AU]: 1.74300 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#59 date of fit: 2023 Oct 09 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): 0.016", 0.001", 75° remarks: * orbital elements for (1428)Mombasa : Mean anomaly = 68.5059207444 deg Arg. of pericenter = 251.9978250160 deg Long. of node = 115.6294802396 deg Inclination = 17.3036860496 deg Eccentricity = 0.1419321737 Semimajor axis = 2.8092035759 AU Perihelion dist = 2.4104872061 AU Mag: H = 10.31, G = 0.15 Epoch of elements : MJD 60304.28906062 TDT (2023 Dec 26.2891) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#592023Oct09,4.02,2023,12,26,6.937433,0.118627,0.270478,-7.124609,3.124768,0.000163,0.001085,0.000001,0.000000 -105.6436,12.7536,76.02,-23.37,False UCAC4 514-020777,6.17321549,12.7579992,14.77,14.29,14.03,0.0,0,,6.19600007,12.7536119,0.64,0.56,0,0,0 1428,Mombasa,14.05,55.412,1.7430,0,0,-2.456,15.77,,2.4,0 0,68.4454,2023,12,26,251.9978,115.6295,17.3037,0.14193,2.80920,2.41049,10.32,5.0,0.15 1.233,0.0163,0.0006,75,0.0163,Known errors,1.06,0,-1,-1 20231226_020777,60261.86 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Nov 13, 20:43 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org