IOTA/IOTA-ES occultation update for (3914) Kotogahama / TYC 1749-01077-1 event on 2024 Oct 26, 03:42 UT Visible from Summary ------- On 2024 Oct 26 UT, the 15.134 km diameter asteroid (3914) Kotogahama will occult a 11.9 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 4.44 mag to 16.32 mag (the magnitude of the asteroid) for at most 1.150 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 Oct 26, 03:34 - 2024 Oct 26, 03:49 * geocentric midpoint of event [JD]: 2460609.65418688 * magnitude of target star: 11.90 * magnitude drop [mag]: 4.44 * estimated maximum duration [s]: 1.150 * Moon: 32 % sunlit, 112° distance * Sun: 167° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 17 * 1 sigma uncertainty interval [path widths]: +/- 0.31 * 1 sigma uncertainty interval [seconds]: +/- 2.7 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.021, +/- 0.010) * 1 sigma uncertainty ellipse (major, minor, PA): (0.023", 0.002", 65°) * approx speed of asteroid's shadow [km/s]: 13.2080 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 1749-01077-1 by 3914 Kotogahama on 2024 Oct 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 -137 0 0 -39 57 49 3 49 20.0 0 58 -3 -39 52 29 -40 3 8 -39 49 13 -40 6 25 .... -136 0 0 -39 29 8 3 49 19.9 1 58 -4 -39 23 48 -39 34 28 -39 20 31 -39 37 46 0.16 -135 0 0 -39 0 2 3 49 19.7 2 57 -4 -38 54 41 -39 5 23 -38 51 24 -39 8 41 0.29 -134 0 0 -38 30 31 3 49 19.3 3 56 -5 -38 25 9 -38 35 52 -38 21 51 -38 39 11 0.34 -133 0 0 -38 0 35 3 49 18.8 4 56 -6 -37 55 13 -38 5 57 -37 51 54 -38 9 16 0.37 -132 0 0 -37 30 15 3 49 18.1 5 55 -7 -37 24 52 -37 35 38 -37 21 33 -37 38 57 0.39 -131 0 0 -36 59 31 3 49 17.3 6 55 -8 -36 54 8 -37 4 55 -36 50 48 -37 8 14 0.41 -130 0 0 -36 28 24 3 49 16.3 7 54 -9 -36 23 0 -36 33 48 -36 19 41 -36 37 8 0.42 -129 0 0 -35 56 55 3 49 15.2 8 53 -10 -35 51 31 -36 2 20 -35 48 11 -36 5 40 0.42 -128 0 0 -35 25 5 3 49 13.9 9 53 -11 -35 19 40 -35 30 30 -35 16 20 -35 33 51 0.43 -127 0 0 -34 52 53 3 49 12.5 10 52 -12 -34 47 28 -34 58 19 -34 44 8 -35 1 40 0.43 -126 0 0 -34 20 22 3 49 10.9 11 52 -13 -34 14 56 -34 25 48 -34 11 36 -34 29 9 0.44 -125 0 0 -33 47 31 3 49 9.1 12 51 -14 -33 42 5 -33 52 57 -33 38 44 -33 56 19 0.44 -124 0 0 -33 14 22 3 49 7.2 13 50 -15 -33 8 55 -33 19 48 -33 5 34 -33 23 10 0.44 -123 0 0 -32 40 55 3 49 5.1 14 50 -16 -32 35 28 -32 46 21 -32 32 7 -32 49 43 0.45 -122 0 0 -32 7 11 3 49 2.8 15 49 -17 -32 1 44 -32 12 38 -31 58 23 -32 16 0 0.45 -121 0 0 -31 33 12 3 49 0.3 16 49 -18 -31 27 45 -31 38 39 -31 24 23 -31 42 1 0.45 -120 0 0 -30 58 57 3 48 57.7 17 48 -19 -30 53 30 -31 4 25 -30 50 9 -31 7 47 0.45 -119 0 0 -30 24 29 3 48 54.9 18 48 -20 -30 19 2 -30 29 57 -30 15 41 -30 33 19 0.45 -118 0 0 -29 49 49 3 48 51.9 19 47 -21 -29 44 21 -29 55 16 -29 41 0 -29 58 38 0.45 -117 0 0 -29 14 56 3 48 48.8 20 47 -22 -29 9 29 -29 20 23 -29 6 7 -29 23 45 0.45 -116 0 0 -28 39 53 3 48 45.4 21 46 -23 -28 34 26 -28 45 20 -28 31 4 -28 48 42 0.46 -115 0 0 -28 4 40 3 48 41.9 22 46 -24 -27 59 13 -28 10 7 -27 55 52 -28 13 29 0.46 -114 0 0 -27 29 19 3 48 38.2 23 45 -25 -27 23 52 -27 34 46 -27 20 31 -27 38 8 0.46 -113 0 0 -26 53 50 3 48 34.4 24 44 -26 -26 48 24 -26 59 17 -26 45 3 -27 2 39 0.46 -112 0 0 -26 18 16 3 48 30.3 25 44 -27 -26 12 50 -26 23 42 -26 9 29 -26 27 4 0.46 -111 0 0 -25 42 36 3 48 26.1 26 43 -28 -25 37 10 -25 48 2 -25 33 49 -25 51 24 0.46 -110 0 0 -25 6 52 3 48 21.7 27 43 -29 -25 1 27 -25 12 18 -24 58 6 -25 15 39 0.46 -109 0 0 -24 31 6 3 48 17.1 28 42 -30 -24 25 41 -24 36 32 -24 22 20 -24 39 52 0.46 -108 0 0 -23 55 18 3 48 12.4 29 42 -31 -23 49 53 -24 0 43 -23 46 33 -24 4 4 0.46 -107 0 0 -23 19 30 3 48 7.4 30 41 -33 -23 14 6 -23 24 54 -23 10 46 -23 28 15 0.46 -106 0 0 -22 43 42 3 48 2.4 31 41 -34 -22 38 18 -22 49 6 -22 34 59 -22 52 26 0.46 -105 0 0 -22 7 57 3 47 57.1 32 40 -35 -22 2 33 -22 13 20 -21 59 14 -22 16 40 0.46 -104 0 0 -21 32 14 3 47 51.7 33 40 -36 -21 26 51 -21 37 37 -21 23 33 -21 40 56 0.46 -103 0 0 -20 56 36 3 47 46.1 34 39 -37 -20 51 14 -21 1 58 -20 47 55 -21 5 17 0.46 -102 0 0 -20 21 3 3 47 40.3 35 38 -38 -20 15 41 -20 26 25 -20 12 23 -20 29 43 0.46 -101 0 0 -19 45 36 3 47 34.4 36 38 -39 -19 40 15 -19 50 57 -19 36 58 -19 54 16 0.46 -100 0 0 -19 10 17 3 47 28.4 37 37 -40 -19 4 57 -19 15 38 -19 1 40 -19 18 55 0.46 - 99 0 0 -18 35 7 3 47 22.2 38 37 -41 -18 29 48 -18 40 27 -18 26 31 -18 43 44 0.46 - 98 0 0 -18 0 6 3 47 15.8 39 36 -42 -17 54 48 -18 5 25 -17 51 31 -18 8 42 0.46 - 97 0 0 -17 25 17 3 47 9.4 40 35 -43 -17 19 59 -17 30 35 -17 16 43 -17 33 51 0.46 - 96 0 0 -16 50 39 3 47 2.7 41 35 -44 -16 45 22 -16 55 56 -16 42 6 -16 59 12 0.46 - 95 0 0 -16 16 13 3 46 56.0 42 34 -46 -16 10 57 -16 21 30 -16 7 42 -16 24 45 0.46 - 94 0 0 -15 42 2 3 46 49.1 43 33 -47 -15 36 47 -15 47 18 -15 33 32 -15 50 33 0.46 - 93 0 0 -15 8 5 3 46 42.1 44 32 -48 -15 2 51 -15 13 20 -14 59 37 -15 16 35 0.46 - 92 0 0 -14 34 24 3 46 34.9 45 32 -49 -14 29 11 -14 39 38 -14 25 57 -14 42 52 0.46 - 91 0 0 -14 1 0 3 46 27.7 46 31 -50 -13 55 47 -14 6 13 -13 52 34 -14 9 26 0.46 - 90 0 0 -13 27 53 3 46 20.3 47 30 -51 -13 22 41 -13 33 5 -13 19 29 -13 36 18 0.46 - 89 0 0 -12 55 4 3 46 12.9 48 29 -52 -12 49 53 -13 0 16 -12 46 42 -13 3 28 0.46 - 88 0 0 -12 22 35 3 46 5.3 49 29 -53 -12 17 25 -12 27 45 -12 14 13 -12 30 57 0.46 - 87 0 0 -11 50 25 3 45 57.6 50 28 -54 -11 45 16 -11 55 34 -11 42 5 -11 58 45 0.46 - 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47 0 0 3 27 13 3 40 22.1 62 319 -75 3 31 50 3 22 36 3 34 40 3 19 46 0.46 - 46 0 0 3 39 36 3 40 14.0 62 317 -74 3 44 12 3 35 0 3 47 2 3 32 9 0.46 - 45 0 0 3 51 26 3 40 6.0 61 316 -74 3 56 2 3 46 50 3 58 52 3 44 0 0.46 - 44 0 0 4 2 44 3 39 58.1 61 314 -73 4 7 19 3 58 8 4 10 8 3 55 19 0.46 - 43 0 0 4 13 29 3 39 50.2 60 313 -72 4 18 3 4 8 54 4 20 52 4 6 4 0.46 - 42 0 0 4 23 41 3 39 42.3 60 312 -71 4 28 15 4 19 6 4 31 4 4 16 17 0.46 - 41 0 0 4 33 20 3 39 34.5 59 310 -71 4 37 54 4 28 46 4 40 43 4 25 57 0.46 - 40 0 0 4 42 27 3 39 26.8 58 309 -70 4 47 0 4 37 53 4 49 49 4 35 4 0.46 - 39 0 0 4 51 0 3 39 19.1 58 308 -69 4 55 34 4 46 27 4 58 22 4 43 38 0.46 - 38 0 0 4 59 1 3 39 11.5 57 307 -68 5 3 34 4 54 28 5 6 22 4 51 40 0.46 - 37 0 0 5 6 29 3 39 4.0 56 306 -67 5 11 2 5 1 57 5 13 50 4 59 9 0.46 - 36 0 0 5 13 25 3 38 56.6 56 305 -66 5 17 57 5 8 52 5 20 45 5 6 4 0.46 - 35 0 0 5 19 47 3 38 49.2 55 305 -65 5 24 19 5 15 15 5 27 7 5 12 27 0.46 - 34 0 0 5 25 37 3 38 41.9 54 304 -65 5 30 8 5 21 5 5 32 56 5 18 17 0.46 - 33 0 0 5 30 53 3 38 34.6 53 303 -64 5 35 25 5 26 21 5 38 12 5 23 34 0.46 - 32 0 0 5 35 37 3 38 27.5 52 302 -63 5 40 8 5 31 5 5 42 55 5 28 18 0.46 - 31 0 0 5 39 47 3 38 20.4 52 302 -62 5 44 18 5 35 16 5 47 6 5 32 28 0.46 - 30 0 0 5 43 25 3 38 13.4 51 301 -61 5 47 56 5 38 53 5 50 43 5 36 6 0.46 - 29 0 0 5 46 29 3 38 6.4 50 301 -60 5 51 0 5 41 58 5 53 47 5 39 11 0.46 - 28 0 0 5 49 1 3 37 59.6 49 300 -59 5 53 32 5 44 30 5 56 19 5 41 42 0.46 - 27 0 0 5 50 59 3 37 52.8 48 300 -58 5 55 30 5 46 28 5 58 17 5 43 41 0.46 - 26 0 0 5 52 24 3 37 46.2 48 299 -57 5 56 55 5 47 53 5 59 42 5 45 6 0.46 - 25 0 0 5 53 16 3 37 39.6 47 299 -56 5 57 47 5 48 45 6 0 34 5 45 58 0.46 - 24 0 0 5 53 35 3 37 33.1 46 298 -55 5 58 6 5 49 4 6 0 53 5 46 17 0.46 - 23 0 0 5 53 21 3 37 26.7 45 298 -54 5 57 52 5 48 50 6 0 39 5 46 3 0.46 - 22 0 0 5 52 33 3 37 20.4 44 298 -54 5 57 4 5 48 2 5 59 51 5 45 15 0.46 - 21 0 0 5 51 12 3 37 14.1 43 297 -53 5 55 43 5 46 41 5 58 30 5 43 54 0.46 - 20 0 0 5 49 18 3 37 8.0 42 297 -52 5 53 49 5 44 47 5 56 36 5 42 0 0.46 - 19 0 0 5 46 50 3 37 2.0 42 297 -51 5 51 22 5 42 19 5 54 9 5 39 32 0.46 - 18 0 0 5 43 49 3 36 56.1 41 296 -50 5 48 21 5 39 18 5 51 8 5 36 30 0.46 - 17 0 0 5 40 15 3 36 50.2 40 296 -49 5 44 46 5 35 43 5 47 33 5 32 55 0.46 - 16 0 0 5 36 6 3 36 44.5 39 296 -48 5 40 38 5 31 35 5 43 26 5 28 47 0.46 - 15 0 0 5 31 25 3 36 38.9 38 296 -47 5 35 57 5 26 53 5 38 44 5 24 5 0.46 - 14 0 0 5 26 9 3 36 33.4 37 296 -46 5 30 41 5 21 37 5 33 29 5 18 49 0.47 - 13 0 0 5 20 20 3 36 28.0 36 296 -45 5 24 53 5 15 47 5 27 41 5 12 59 0.47 - 12 0 0 5 13 57 3 36 22.7 35 295 -44 5 18 30 5 9 24 5 21 18 5 6 36 0.47 - 11 0 0 5 7 0 3 36 17.5 34 295 -43 5 11 34 5 2 27 5 14 22 4 59 39 0.47 - 10 0 0 4 59 30 3 36 12.4 33 295 -42 5 4 3 4 54 56 5 6 52 4 52 7 0.47 - 9 0 0 4 51 25 3 36 7.4 32 295 -41 4 55 59 4 46 51 4 58 48 4 44 2 0.47 - 8 0 0 4 42 47 3 36 2.6 32 295 -40 4 47 21 4 38 12 4 50 10 4 35 23 0.47 - 7 0 0 4 33 34 3 35 57.8 31 295 -39 4 38 9 4 28 59 4 40 58 4 26 10 0.47 - 6 0 0 4 23 47 3 35 53.2 30 295 -38 4 28 23 4 19 12 4 31 12 4 16 22 0.47 - 5 0 0 4 13 27 3 35 48.8 29 295 -37 4 18 2 4 8 51 4 20 52 4 6 1 0.47 - 4 0 0 4 2 31 3 35 44.4 28 295 -36 4 7 8 3 57 55 4 9 58 3 55 5 0.47 - 3 0 0 3 51 2 3 35 40.2 27 295 -35 3 55 39 3 46 25 3 58 29 3 43 34 0.47 - 2 0 0 3 38 58 3 35 36.1 26 295 -34 3 43 36 3 34 21 3 46 26 3 31 30 0.47 - 1 0 0 3 26 20 3 35 32.1 25 294 -33 3 30 58 3 21 42 3 33 49 3 18 51 0.47 0 0 0 3 13 8 3 35 28.3 24 294 -32 3 17 46 3 8 29 3 20 38 3 5 37 0.47 1 0 0 2 59 21 3 35 24.6 23 294 -31 3 4 0 2 54 42 3 6 52 2 51 50 0.47 2 0 0 2 45 0 3 35 21.0 22 294 -30 2 49 39 2 40 20 2 52 31 2 37 27 0.47 3 0 0 2 30 4 3 35 17.6 21 294 -29 2 34 44 2 25 23 2 37 37 2 22 30 0.47 4 0 0 2 14 33 3 35 14.3 20 294 -28 2 19 14 2 9 52 2 22 7 2 6 59 0.47 5 0 0 1 58 28 3 35 11.2 19 294 -27 2 3 10 1 53 47 2 6 4 1 50 53 0.47 6 0 0 1 41 49 3 35 8.2 18 294 -26 1 46 31 1 37 6 1 49 25 1 34 12 0.48 7 0 0 1 24 35 3 35 5.4 17 294 -25 1 29 18 1 19 52 1 32 13 1 16 57 0.48 8 0 0 1 6 46 3 35 2.7 16 294 -24 1 11 30 1 2 2 1 14 25 0 59 7 0.48 9 0 0 0 48 23 3 35 0.2 15 294 -23 0 53 8 0 43 38 0 56 4 0 40 43 0.48 10 0 0 0 29 26 3 34 57.8 14 294 -22 0 34 11 0 24 40 0 37 7 0 21 44 0.48 11 0 0 0 9 54 3 34 55.7 13 294 -21 0 14 40 0 5 7 0 17 37 0 2 11 0.48 12 0 0 - 0 10 12 3 34 53.6 12 294 -20 - 0 5 25 - 0 15 0 - 0 2 28 - 0 17 57 0.48 13 0 0 - 0 30 53 3 34 51.8 11 294 -19 - 0 26 5 - 0 35 41 - 0 23 7 - 0 38 39 0.48 14 0 0 - 0 52 8 3 34 50.1 9 294 -18 - 0 47 19 - 0 56 57 - 0 44 20 - 0 59 55 0.48 15 0 0 - 1 13 56 3 34 48.5 8 294 -17 - 1 9 6 - 1 18 46 - 1 6 8 - 1 21 45 0.49 16 0 0 - 1 36 19 3 34 47.2 7 294 -16 - 1 31 28 - 1 41 10 - 1 28 29 - 1 44 10 0.49 17 0 0 - 1 59 16 3 34 46.0 6 294 -14 - 1 54 24 - 2 4 8 - 1 51 24 - 2 7 8 0.49 18 0 0 - 2 22 46 3 34 45.0 5 294 -13 - 2 17 53 - 2 27 39 - 2 14 53 - 2 30 40 0.49 19 0 0 - 2 46 49 3 34 44.2 4 294 -12 - 2 41 56 - 2 51 43 - 2 38 55 - 2 54 45 0.50 20 0 0 - 3 11 26 3 34 43.6 3 294 -11 - 3 6 31 - 3 16 21 - 3 3 30 - 3 19 23 0.51 21 0 0 - 3 36 36 3 34 43.1 2 294 -10 - 3 31 40 - 3 41 32 - 3 28 38 - 3 44 35 0.53 22 0 0 - 4 2 18 3 34 42.9 1 294 -9 - 3 57 22 - 4 7 15 - 3 54 19 - 4 10 19 0.60 Uncertainty in time = +/- 3 secs Prediction of 2023 Jul 15.7 Data for the target star ------------------------ * name: TYC 1749-01077-1 * constellation : Pisces * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 01 32 28.0119 DE: +23 29 37.951 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 01 32 28.0119 DE: +23 29 37.952 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.300,0.200) * V mag [mag]: 11.9 * B mag [mag]: 12.2 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (3914) Kotogahama asteroid class: approx. diameter [km]: 15 approx. diameter ["]: 0.010 distance from Earth [AU]: 2.10800 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#60 date of fit: 2023 Apr 24 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): 0.023", 0.002", 64.564° remarks: * orbital elements for (3914)Kotogahama : Mean anomaly = 103.4870033825 deg Arg. of pericenter = 317.9941308999 deg Long. of node = 321.4853534688 deg Inclination = 9.3272153997 deg Eccentricity = 0.0763021320 Semimajor axis = 3.0145539624 AU Perihelion dist = 2.7845370681 AU Mag: H = 11.88, G = 0.15 Epoch of elements : MJD 60609.15418600 TDT (2024 Oct 26.1542) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#602023Apr24,1.15,2024,10,26,3.700485,0.141461,-0.391934,-7.012353,-2.530476,0.000730,-0.001123,0.000001,0.000001 -67.0573,23.6238,120.48,-12.59,False TYC 1749-01077-1,1.54111443,23.4938753,12.22,11.90,11.73,0.0,0,,1.56416891,23.6237689,4.44,4.17,0,0,0 3914,Kotogahama,16.32,15.134,2.1080,0,0,-2.128,-10.56,,1.2,0 0,103.4580,2024,10,26,317.9941,321.4854,9.3272,0.07630,3.01455,2.78454,11.88,5.0,0.15 1.308,0.0233,0.0021,65,0.0031,Known errors,1.67,0,-1,-1 20241026_1077-1,60140.66 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 15:49 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org