IOTA/IOTA-ES occultation update for (741) Botolphia / HIP 8765 event on 2024 Feb 03, 09:40 UT Visible from Summary ------- On 2024 Feb 03 UT, the 30.4187498782257 km diameter asteroid (741) Botolphia will occult a 7.7 mag star in the constellation Pisces for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 7.96 mag to 15.66 mag (the magnitude of the asteroid) for at most 1.260 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 Feb 03, 09:36 - 2024 Feb 03, 09:44 * geocentric midpoint of event [JD]: 2460343.90310942 * magnitude of target star: 7.70 * magnitude drop [mag]: 7.96 * estimated maximum duration [s]: 1.260 * Moon: 46 % sunlit, 158° distance * Sun: 74° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 34 * 1 sigma uncertainty interval [path widths]: +/- 0.20 * 1 sigma uncertainty interval [seconds]: +/- 0.8 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.009, +/- 0.004) * 1 sigma uncertainty ellipse (major, minor, PA): (0.009", 0.003", 67°) * approx speed of asteroid's shadow [km/s]: 24.4904 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of HIP 8765 by 741 Botolphia on 2024 Feb 3 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 29 0 0 -55 22 51 9 36 33.3 0 81 50 -55 32 9 -55 13 33 -55 35 52 -55 9 50 .... 30 0 0 -55 17 21 9 36 33.3 1 80 51 -55 26 40 -55 8 3 -55 30 23 -55 4 20 0.28 31 0 0 -55 11 30 9 36 33.4 2 79 51 -55 20 50 -55 2 11 -55 24 34 -54 58 28 0.35 32 0 0 -55 5 18 9 36 33.5 2 79 51 -55 14 39 -54 55 58 -55 18 23 -54 52 14 0.38 33 0 0 -54 58 45 9 36 33.6 3 78 51 -55 8 7 -54 49 24 -55 11 51 -54 45 39 0.39 34 0 0 -54 51 50 9 36 33.8 3 77 52 -55 1 13 -54 42 28 -55 4 58 -54 38 43 0.41 35 0 0 -54 44 33 9 36 34.0 4 76 52 -54 53 57 -54 35 10 -54 57 43 -54 31 25 0.41 36 0 0 -54 36 54 9 36 34.2 5 75 52 -54 46 20 -54 27 30 -54 50 6 -54 23 45 0.42 37 0 0 -54 28 54 9 36 34.4 5 74 52 -54 38 20 -54 19 28 -54 42 7 -54 15 42 0.42 38 0 0 -54 20 31 9 36 34.7 6 74 52 -54 29 58 -54 11 4 -54 33 45 -54 7 17 0.43 39 0 0 -54 11 45 9 36 35.0 6 73 52 -54 21 14 -54 2 17 -54 25 2 -53 58 30 0.43 40 0 0 -54 2 37 9 36 35.4 7 72 53 -54 12 7 -53 53 8 -54 15 56 -53 49 20 0.43 41 0 0 -53 53 6 9 36 35.8 8 71 53 -54 2 38 -53 43 35 -54 6 26 -53 39 47 0.44 42 0 0 -53 43 12 9 36 36.2 8 70 53 -53 52 45 -53 33 40 -53 56 34 -53 29 51 0.44 43 0 0 -53 32 54 9 36 36.6 9 70 53 -53 42 29 -53 23 21 -53 46 19 -53 19 31 0.44 44 0 0 -53 22 13 9 36 37.1 9 69 53 -53 31 49 -53 12 38 -53 35 40 -53 8 48 0.44 45 0 0 -53 11 8 9 36 37.7 10 68 53 -53 20 46 -53 1 32 -53 24 37 -52 57 41 0.44 46 0 0 -52 59 40 9 36 38.2 11 67 53 -53 9 19 -52 50 1 -53 13 11 -52 46 10 0.44 47 0 0 -52 47 46 9 36 38.8 11 66 53 -52 57 27 -52 38 6 -53 1 20 -52 34 15 0.44 48 0 0 -52 35 29 9 36 39.5 12 66 53 -52 45 11 -52 25 47 -52 49 4 -52 21 54 0.44 49 0 0 -52 22 46 9 36 40.2 13 65 53 -52 32 31 -52 13 2 -52 36 24 -52 9 9 0.45 50 0 0 -52 9 39 9 36 40.9 13 64 53 -52 19 25 -51 59 53 -52 23 19 -51 55 59 0.45 51 0 0 -51 56 6 9 36 41.7 14 63 53 -52 5 54 -51 46 18 -52 9 49 -51 42 24 0.45 52 0 0 -51 42 7 9 36 42.5 15 62 53 -51 51 57 -51 32 18 -51 55 53 -51 28 23 0.45 53 0 0 -51 27 43 9 36 43.4 15 61 53 -51 37 35 -51 17 52 -51 41 31 -51 13 56 0.45 54 0 0 -51 12 52 9 36 44.3 16 61 53 -51 22 46 -51 3 0 -51 26 44 -50 59 3 0.45 55 0 0 -50 57 36 9 36 45.2 17 60 53 -51 7 31 -50 47 41 -51 11 30 -50 43 43 0.45 56 0 0 -50 41 52 9 36 46.2 17 59 53 -50 51 50 -50 31 56 -50 55 49 -50 27 57 0.45 57 0 0 -50 25 42 9 36 47.3 18 58 53 -50 35 42 -50 15 43 -50 39 42 -50 11 44 0.45 58 0 0 -50 9 5 9 36 48.4 19 57 53 -50 19 7 -49 59 4 -50 23 7 -49 55 4 0.45 59 0 0 -49 52 0 9 36 49.5 19 57 53 -50 2 4 -49 41 57 -50 6 6 -49 37 57 0.45 60 0 0 -49 34 28 9 36 50.7 20 56 53 -49 44 34 -49 24 23 -49 48 36 -49 20 21 0.45 61 0 0 -49 16 28 9 36 52.0 21 55 53 -49 26 36 -49 6 21 -49 30 39 -49 2 18 0.45 62 0 0 -48 57 59 9 36 53.3 21 54 53 -49 8 10 -48 47 50 -49 12 14 -48 43 47 0.45 63 0 0 -48 39 3 9 36 54.7 22 53 53 -48 49 15 -48 28 52 -48 53 20 -48 24 48 0.45 64 0 0 -48 19 38 9 36 56.1 23 53 52 -48 29 52 -48 9 24 -48 33 58 -48 5 19 0.45 65 0 0 -47 59 44 9 36 57.6 24 52 52 -48 10 0 -47 49 28 -48 14 7 -47 45 22 0.45 66 0 0 -47 39 21 9 36 59.1 24 51 52 -47 49 39 -47 29 3 -47 53 47 -47 24 56 0.45 67 0 0 -47 18 29 9 37 0.7 25 50 52 -47 28 50 -47 8 9 -47 32 58 -47 4 1 0.45 68 0 0 -46 57 7 9 37 2.4 26 49 51 -47 7 30 -46 46 45 -47 11 40 -46 42 37 0.45 69 0 0 -46 35 17 9 37 4.1 27 49 51 -46 45 42 -46 24 52 -46 49 52 -46 20 43 0.45 70 0 0 -46 12 56 9 37 5.9 27 48 51 -46 23 23 -46 2 30 -46 27 35 -45 58 20 0.45 71 0 0 -45 50 6 9 37 7.8 28 47 51 -46 0 35 -45 39 37 -46 4 47 -45 35 26 0.45 72 0 0 -45 26 46 9 37 9.7 29 46 50 -45 37 18 -45 16 15 -45 41 30 -45 12 3 0.45 73 0 0 -45 2 56 9 37 11.7 30 45 50 -45 13 30 -44 52 23 -45 17 43 -44 48 11 0.45 74 0 0 -44 38 36 9 37 13.8 31 44 49 -44 49 12 -44 28 1 -44 53 27 -44 23 48 0.45 75 0 0 -44 13 46 9 37 15.9 31 44 49 -44 24 24 -44 3 9 -44 28 40 -43 58 55 0.45 76 0 0 -43 48 26 9 37 18.2 32 43 49 -43 59 6 -43 37 47 -44 3 23 -43 33 32 0.45 77 0 0 -43 22 36 9 37 20.4 33 42 48 -43 33 19 -43 11 55 -43 37 36 -43 7 39 0.45 78 0 0 -42 56 17 9 37 22.8 34 41 48 -43 7 1 -42 45 34 -43 11 19 -42 41 17 0.45 79 0 0 -42 29 27 9 37 25.3 35 40 47 -42 40 13 -42 18 42 -42 44 32 -42 14 24 0.45 80 0 0 -42 2 8 9 37 27.8 35 39 47 -42 12 56 -41 51 21 -42 17 15 -41 47 2 0.45 81 0 0 -41 34 19 9 37 30.4 36 38 46 -41 45 9 -41 23 30 -41 49 29 -41 19 11 0.45 82 0 0 -41 6 1 9 37 33.0 37 37 46 -41 16 53 -40 55 10 -41 21 14 -40 50 50 0.46 83 0 0 -40 37 14 9 37 35.8 38 37 45 -40 48 7 -40 26 21 -40 52 29 -40 22 0 0.46 84 0 0 -40 7 57 9 37 38.6 39 36 45 -40 18 53 -39 57 3 -40 23 15 -39 52 42 0.46 85 0 0 -39 38 13 9 37 41.6 40 35 44 -39 49 10 -39 27 17 -39 53 33 -39 22 55 0.46 86 0 0 -39 8 0 9 37 44.6 40 34 43 -39 18 59 -38 57 2 -39 23 23 -38 52 40 0.46 87 0 0 -38 37 20 9 37 47.7 41 33 43 -38 48 20 -38 26 20 -38 52 44 -38 21 57 0.46 88 0 0 -38 6 12 9 37 50.8 42 32 42 -38 17 14 -37 55 11 -38 21 39 -37 50 47 0.46 89 0 0 -37 34 37 9 37 54.1 43 31 41 -37 45 41 -37 23 35 -37 50 6 -37 19 11 0.46 90 0 0 -37 2 36 9 37 57.4 44 30 41 -37 13 41 -36 51 33 -37 18 7 -36 47 8 0.46 91 0 0 -36 30 10 9 38 0.9 45 29 40 -36 41 16 -36 19 5 -36 45 43 -36 14 39 0.46 92 0 0 -35 57 18 9 38 4.4 46 28 39 -36 8 26 -35 46 12 -36 12 53 -35 41 46 0.46 93 0 0 -35 24 3 9 38 8.0 47 27 39 -35 35 11 -35 12 55 -35 39 38 -35 8 29 0.46 94 0 0 -34 50 23 9 38 11.6 47 25 38 -35 1 33 -34 39 15 -35 6 1 -34 34 48 0.46 95 0 0 -34 16 21 9 38 15.4 48 24 37 -34 27 31 -34 5 12 -34 32 0 -34 0 44 0.46 96 0 0 -33 41 57 9 38 19.2 49 23 36 -33 53 8 -33 30 47 -33 57 37 -33 26 19 0.46 97 0 0 -33 7 11 9 38 23.2 50 22 35 -33 18 24 -32 56 1 -33 22 53 -32 51 33 0.46 98 0 0 -32 32 6 9 38 27.2 51 21 35 -32 43 19 -32 20 54 -32 47 48 -32 16 26 0.46 99 0 0 -31 56 41 9 38 31.2 52 19 34 -32 7 55 -31 45 29 -32 12 24 -31 41 1 0.46 100 0 0 -31 20 59 9 38 35.4 53 18 33 -31 32 13 -31 9 46 -31 36 42 -31 5 18 0.46 101 0 0 -30 44 59 9 38 39.6 53 17 32 -30 56 13 -30 33 46 -31 0 43 -30 29 17 0.46 102 0 0 -30 8 43 9 38 43.9 54 15 31 -30 19 58 -29 57 30 -30 24 28 -29 53 1 0.46 103 0 0 -29 32 13 9 38 48.3 55 14 30 -29 43 27 -29 20 59 -29 47 57 -29 16 30 0.46 104 0 0 -28 55 28 9 38 52.8 56 12 29 -29 6 43 -28 44 15 -29 11 13 -28 39 46 0.46 105 0 0 -28 18 32 9 38 57.3 57 10 28 -28 29 47 -28 7 18 -28 34 17 -28 2 50 0.46 106 0 0 -27 41 24 9 39 1.9 57 9 27 -27 52 39 -27 30 11 -27 57 9 -27 25 42 0.46 107 0 0 -27 4 7 9 39 6.5 58 7 26 -27 15 21 -26 52 54 -27 19 51 -26 48 25 0.46 108 0 0 -26 26 40 9 39 11.3 59 5 25 -26 37 54 -26 15 28 -26 42 24 -26 10 59 0.46 109 0 0 -25 49 7 9 39 16.0 59 3 24 -26 0 20 -25 37 55 -26 4 50 -25 33 26 0.46 110 0 0 -25 11 28 9 39 20.9 60 1 23 -25 22 41 -25 0 16 -25 27 10 -24 55 48 0.46 111 0 0 -24 33 44 9 39 25.7 61 359 22 -24 44 56 -24 22 33 -24 49 25 -24 18 5 0.46 112 0 0 -23 55 57 9 39 30.7 61 357 21 -24 7 8 -23 44 47 -24 11 37 -23 40 19 0.46 113 0 0 -23 18 8 9 39 35.6 62 355 20 -23 29 19 -23 6 59 -23 33 47 -23 2 32 0.46 114 0 0 -22 40 19 9 39 40.7 62 352 19 -22 51 29 -22 29 11 -22 55 57 -22 24 44 0.47 115 0 0 -22 2 32 9 39 45.7 63 350 18 -22 13 40 -21 51 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52 19 - 2 16 11 - 1 48 21 0.48 153 0 0 - 1 38 50 9 42 50.7 46 279 -24 - 1 48 45 - 1 28 56 - 1 52 43 - 1 24 59 0.48 154 0 0 - 1 16 0 9 42 54.6 45 278 -25 - 1 25 54 - 1 6 8 - 1 29 51 - 1 2 12 0.48 155 0 0 - 0 53 46 9 42 58.4 44 278 -26 - 1 3 37 - 0 43 56 - 1 7 34 - 0 40 0 0.48 156 0 0 - 0 32 8 9 43 2.1 43 277 -27 - 0 41 57 - 0 22 19 - 0 45 53 - 0 18 24 0.48 157 0 0 - 0 11 5 9 43 5.8 42 277 -28 - 0 20 52 - 0 1 18 - 0 24 47 0 2 36 0.48 158 0 0 0 9 22 9 43 9.4 41 276 -29 - 0 0 24 0 19 7 - 0 4 18 0 23 0 0.48 159 0 0 0 29 12 9 43 12.9 41 276 -30 0 19 28 0 38 55 0 15 35 0 42 48 0.48 160 0 0 0 48 26 9 43 16.3 40 276 -31 0 38 44 0 58 8 0 34 51 1 2 0 0.48 161 0 0 1 7 4 9 43 19.7 39 275 -32 0 57 23 1 16 44 0 53 31 1 20 35 0.48 162 0 0 1 25 5 9 43 23.0 38 275 -33 1 15 26 1 34 43 1 11 35 1 38 34 0.48 163 0 0 1 42 30 9 43 26.2 37 275 -34 1 32 53 1 52 6 1 29 2 1 55 57 0.48 164 0 0 1 59 18 9 43 29.3 36 274 -35 1 49 42 2 8 53 1 45 52 2 12 43 0.48 165 0 0 2 15 30 9 43 32.3 35 274 -36 2 5 55 2 25 3 2 2 6 2 28 52 0.48 166 0 0 2 31 5 9 43 35.2 34 274 -37 2 21 32 2 40 37 2 17 42 2 44 25 0.48 167 0 0 2 46 3 9 43 38.1 33 274 -38 2 36 31 2 55 34 2 32 43 2 59 22 0.48 168 0 0 3 0 25 9 43 40.8 32 274 -40 2 50 54 3 9 54 2 47 6 3 13 41 0.48 169 0 0 3 14 9 9 43 43.5 31 274 -41 3 4 41 3 23 38 3 0 53 3 27 25 0.48 170 0 0 3 27 18 9 43 46.1 30 274 -42 3 17 50 3 36 45 3 14 3 3 40 31 0.48 171 0 0 3 39 50 9 43 48.6 29 273 -43 3 30 23 3 49 15 3 26 36 3 53 1 0.48 172 0 0 3 51 45 9 43 51.1 28 273 -44 3 42 19 4 1 9 3 38 33 4 4 55 0.48 173 0 0 4 3 3 9 43 53.4 27 273 -45 3 53 39 4 12 27 3 49 53 4 16 12 0.48 174 0 0 4 13 45 9 43 55.7 26 273 -46 4 4 22 4 23 8 4 0 36 4 26 52 0.48 175 0 0 4 23 51 9 43 57.9 25 273 -47 4 14 28 4 33 12 4 10 43 4 36 56 0.48 176 0 0 4 33 20 9 43 59.9 24 273 -48 4 23 58 4 42 40 4 20 13 4 46 24 0.48 177 0 0 4 42 12 9 44 2.0 23 273 -49 4 32 51 4 51 32 4 29 7 4 55 15 0.48 178 0 0 4 50 28 9 44 3.9 22 273 -50 4 41 8 4 59 47 4 37 24 5 3 31 0.48 179 0 0 4 58 8 9 44 5.7 21 273 -51 4 48 49 5 7 26 4 45 5 5 11 9 0.48 180 0 0 5 5 12 9 44 7.5 20 273 -52 4 55 53 5 14 29 4 52 10 5 18 12 0.48 -179 0 0 5 11 39 9 44 9.1 19 273 -53 5 2 21 5 20 56 4 58 38 5 24 38 0.48 -178 0 0 5 17 30 9 44 10.7 18 273 -54 5 8 13 5 26 46 5 4 30 5 30 29 0.48 -177 0 0 5 22 45 9 44 12.2 17 273 -54 5 13 28 5 32 1 5 9 46 5 35 43 0.49 -176 0 0 5 27 24 9 44 13.6 16 273 -55 5 18 7 5 36 39 5 14 25 5 40 21 0.49 -175 0 0 5 31 26 9 44 14.9 15 274 -56 5 22 11 5 40 41 5 18 28 5 44 23 0.49 -174 0 0 5 34 53 9 44 16.2 14 274 -57 5 25 38 5 44 8 5 21 56 5 47 49 0.49 -173 0 0 5 37 44 9 44 17.3 13 274 -58 5 28 29 5 46 58 5 24 47 5 50 40 0.49 -172 0 0 5 39 59 9 44 18.4 12 274 -59 5 30 44 5 49 13 5 27 2 5 52 54 0.49 -171 0 0 5 41 38 9 44 19.4 11 274 -60 5 32 23 5 50 52 5 28 41 5 54 33 0.49 -170 0 0 5 42 41 9 44 20.2 10 274 -61 5 33 26 5 51 55 5 29 45 5 55 36 0.49 -169 0 0 5 43 8 9 44 21.0 9 274 -62 5 33 54 5 52 22 5 30 12 5 56 3 0.49 -168 0 0 5 43 0 9 44 21.8 8 274 -63 5 33 45 5 52 13 5 30 4 5 55 55 0.50 -167 0 0 5 42 16 9 44 22.4 7 274 -64 5 33 1 5 51 29 5 29 19 5 55 10 0.50 -166 0 0 5 40 56 9 44 22.9 6 274 -65 5 31 41 5 50 10 5 28 0 5 53 51 0.51 -165 0 0 5 39 0 9 44 23.4 5 274 -66 5 29 46 5 48 14 5 26 4 5 51 56 0.51 -164 0 0 5 36 29 9 44 23.8 4 274 -66 5 27 15 5 45 43 5 23 33 5 49 25 0.52 -163 0 0 5 33 23 9 44 24.1 3 275 -67 5 24 8 5 42 37 5 20 26 5 46 18 0.54 -162 0 0 5 29 41 9 44 24.3 2 275 -68 5 20 25 5 38 55 5 16 43 5 42 37 0.59 -161 0 0 5 25 23 9 44 24.4 1 275 -69 5 16 7 5 34 38 5 12 25 5 38 20 0.73 Uncertainty in time = +/- 1 secs Prediction of 2023 Jul 13.2 Data for the target star ------------------------ * name: HIP 8765 * constellation : Pisces * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 01 52 47.5699 DE: +04 39 46.759 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 01 52 47.5697 DE: +04 39 46.757 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.300,0.200) * V mag [mag]: 7.7 * B mag [mag]: 8.2 * Diameter [mas]: 0.20 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (741) Botolphia asteroid class: approx. diameter [km]: 30 approx. diameter ["]: 0.015 distance from Earth [AU]: 2.89030 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#57 date of fit: 2023 Apr 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): 0.009", 0.003", 67.478° remarks: * orbital elements for (741)Botolphia : Mean anomaly = 252.5557289426 deg Arg. of pericenter = 61.6389045334 deg Long. of node = 100.5786595563 deg Inclination = 8.4140863811 deg Eccentricity = 0.0675760291 Semimajor axis = 2.7231007618 AU Perihelion dist = 2.5390844254 AU Mag: H = 10.13, G = 0.15 Epoch of elements : MJD 60343.40310954 TDT (2024 Feb 03.4031) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#572023Apr27,1.26,2024,2,3,9.674626,0.215007,-0.365228,11.920122,6.999166,0.005412,0.001844,0.000000,0.000000 110.3150,4.7806,38.31,-16.61,False HIP 8765,1.87988056,4.6629886,8.21,7.70,7.42,0.2,0,,1.90063846,4.7805858,7.96,7.78,0,0,0 741,Botolphia,15.66,30.838,2.8903,0,0,2.427,21.30,,1.6,0 0,252.4673,2024,2,3,61.6389,100.5787,8.4141,0.06758,2.72310,2.53908,10.13,5.0,0.15 1.200,0.0093,0.0027,67,0.0029,Known errors,1.08,0,-1,-1 20240203_P_8765,60138.15 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 13, 03:39 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org