IOTA/IOTA-ES occultation update for (1531) Hartmut / TYC 1386-01313-1 event on 2024 Oct 07, 05:20 UT Visible from Summary ------- On 2024 Oct 07 UT, the 11.537 km diameter asteroid (1531) Hartmut will occult a 12.0 mag star in the constellation Cancer for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 4.59 mag to 16.54 mag (the magnitude of the asteroid) for at most 0.430 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 07, 05:17 - 2024 Oct 07, 05:24 * geocentric midpoint of event [JD]: 2460590.72285654 * magnitude of target star: 11.97 * magnitude drop [mag]: 4.59 * estimated maximum duration [s]: 0.430 * Moon: 17 % sunlit, 121° distance * Sun: 72° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 15 * 1 sigma uncertainty interval [path widths]: +/- 0.25 * 1 sigma uncertainty interval [seconds]: +/- 0.8 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.011, +/- 0.006) * 1 sigma uncertainty ellipse (major, minor, PA): (0.012", 0.001", 116°) * approx speed of asteroid's shadow [km/s]: 27.0674 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 1386-01313-1 by 1531 Hartmut on 2024 Oct 7 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 - 55 0 0 -13 49 44 5 17 47.8 1 69 -56 -13 53 55 -13 45 32 -13 55 59 -13 43 28 .... - 54 0 0 -13 28 35 5 17 47.9 2 69 -56 -13 32 46 -13 24 25 -13 34 50 -13 22 21 0.45 - 53 0 0 -13 8 3 5 17 48.1 3 69 -55 -13 12 13 -13 3 54 -13 14 17 -13 1 50 0.57 - 52 0 0 -12 48 8 5 17 48.4 4 69 -55 -12 52 17 -12 43 59 -12 54 20 -12 41 56 0.62 - 51 0 0 -12 28 50 5 17 48.8 5 68 -54 -12 32 58 -12 24 42 -12 35 1 -12 22 39 0.65 - 50 0 0 -12 10 9 5 17 49.3 6 68 -53 -12 14 16 -12 6 2 -12 16 19 -12 4 0 0.67 - 49 0 0 -11 52 6 5 17 49.9 7 68 -52 -11 56 12 -11 47 59 -11 58 14 -11 45 57 0.69 - 48 0 0 -11 34 40 5 17 50.5 8 68 -52 -11 38 46 -11 30 34 -11 40 48 -11 28 33 0.70 - 47 0 0 -11 17 52 5 17 51.3 9 68 -51 -11 21 57 -11 13 47 -11 23 59 -11 11 46 0.70 - 46 0 0 -11 1 42 5 17 52.2 10 67 -50 -11 5 47 -10 57 38 -11 7 48 -10 55 37 0.71 - 45 0 0 -10 46 11 5 17 53.1 11 67 -49 -10 50 14 -10 42 7 -10 52 15 -10 40 6 0.72 - 44 0 0 -10 31 17 5 17 54.2 12 67 -48 -10 35 21 -10 27 14 -10 37 21 -10 25 14 0.72 - 43 0 0 -10 17 3 5 17 55.3 13 67 -48 -10 21 5 -10 13 0 -10 23 6 -10 11 0 0.72 - 42 0 0 -10 3 27 5 17 56.5 14 67 -47 -10 7 29 - 9 59 25 -10 9 29 - 9 57 25 0.73 - 41 0 0 - 9 50 29 5 17 57.8 15 66 -46 - 9 54 31 - 9 46 28 - 9 56 31 - 9 44 28 0.73 - 40 0 0 - 9 38 11 5 17 59.2 16 66 -45 - 9 42 12 - 9 34 10 - 9 44 11 - 9 32 11 0.73 - 39 0 0 - 9 26 31 5 18 0.7 17 66 -44 - 9 30 32 - 9 22 31 - 9 32 31 - 9 20 32 0.74 - 38 0 0 - 9 15 31 5 18 2.3 18 66 -43 - 9 19 31 - 9 11 31 - 9 21 30 - 9 9 32 0.74 - 37 0 0 - 9 5 10 5 18 3.9 19 65 -42 - 9 9 10 - 9 1 10 - 9 11 8 - 8 59 12 0.74 - 36 0 0 - 8 55 28 5 18 5.6 20 65 -41 - 8 59 27 - 8 51 29 - 9 1 26 - 8 49 30 0.74 - 35 0 0 - 8 46 25 5 18 7.4 21 65 -40 - 8 50 24 - 8 42 27 - 8 52 23 - 8 40 28 0.74 - 34 0 0 - 8 38 2 5 18 9.3 22 65 -39 - 8 42 1 - 8 34 4 - 8 43 59 - 8 32 6 0.74 - 33 0 0 - 8 30 19 5 18 11.3 23 64 -39 - 8 34 17 - 8 26 21 - 8 36 15 - 8 24 23 0.75 - 32 0 0 - 8 23 15 5 18 13.3 24 64 -38 - 8 27 13 - 8 19 17 - 8 29 11 - 8 17 19 0.75 - 31 0 0 - 8 16 50 5 18 15.5 25 64 -37 - 8 20 48 - 8 12 52 - 8 22 46 - 8 10 55 0.75 - 30 0 0 - 8 11 5 5 18 17.7 26 63 -36 - 8 15 3 - 8 7 8 - 8 17 0 - 8 5 10 0.75 - 29 0 0 - 8 6 0 5 18 19.9 26 63 -35 - 8 9 57 - 8 2 3 - 8 11 55 - 8 0 5 0.75 - 28 0 0 - 8 1 34 5 18 22.3 27 63 -34 - 8 5 32 - 7 57 37 - 8 7 29 - 7 55 40 0.75 - 27 0 0 - 7 57 49 5 18 24.7 28 62 -33 - 8 1 46 - 7 53 52 - 8 3 43 - 7 51 55 0.75 - 26 0 0 - 7 54 43 5 18 27.2 29 62 -32 - 7 58 40 - 7 50 46 - 8 0 37 - 7 48 49 0.75 - 25 0 0 - 7 52 17 5 18 29.8 30 62 -31 - 7 56 14 - 7 48 20 - 7 58 11 - 7 46 23 0.75 - 24 0 0 - 7 50 31 5 18 32.4 31 61 -30 - 7 54 28 - 7 46 34 - 7 56 25 - 7 44 37 0.76 - 23 0 0 - 7 49 25 5 18 35.1 32 61 -29 - 7 53 22 - 7 45 28 - 7 55 19 - 7 43 31 0.76 - 22 0 0 - 7 48 59 5 18 37.9 33 60 -28 - 7 52 56 - 7 45 2 - 7 54 53 - 7 43 5 0.76 - 21 0 0 - 7 49 13 5 18 40.8 34 60 -27 - 7 53 10 - 7 45 16 - 7 55 7 - 7 43 19 0.76 - 20 0 0 - 7 50 7 5 18 43.7 34 59 -26 - 7 54 4 - 7 46 10 - 7 56 1 - 7 44 13 0.76 - 19 0 0 - 7 51 41 5 18 46.6 35 59 -25 - 7 55 38 - 7 47 44 - 7 57 35 - 7 45 47 0.76 - 18 0 0 - 7 53 55 5 18 49.7 36 58 -24 - 7 57 52 - 7 49 58 - 7 59 50 - 7 48 1 0.76 - 17 0 0 - 7 56 50 5 18 52.8 37 58 -23 - 8 0 47 - 7 52 53 - 8 2 44 - 7 50 55 0.76 - 16 0 0 - 8 0 24 5 18 55.9 38 57 -22 - 8 4 22 - 7 56 27 - 8 6 19 - 7 54 30 0.76 - 15 0 0 - 8 4 39 5 18 59.2 39 57 -21 - 8 8 37 - 8 0 42 - 8 10 34 - 7 58 44 0.76 - 14 0 0 - 8 9 34 5 19 2.4 39 56 -20 - 8 13 32 - 8 5 36 - 8 15 30 - 8 3 39 0.76 - 13 0 0 - 8 15 9 5 19 5.8 40 55 -19 - 8 19 7 - 8 11 11 - 8 21 5 - 8 9 14 0.76 - 12 0 0 - 8 21 25 5 19 9.2 41 55 -18 - 8 25 23 - 8 17 27 - 8 27 21 - 8 15 29 0.76 - 11 0 0 - 8 28 21 5 19 12.6 42 54 -17 - 8 32 19 - 8 24 22 - 8 34 18 - 8 22 24 0.76 - 10 0 0 - 8 35 57 5 19 16.2 42 53 -16 - 8 39 56 - 8 31 58 - 8 41 54 - 8 30 0 0.76 - 9 0 0 - 8 44 13 5 19 19.7 43 52 -15 - 8 48 12 - 8 40 14 - 8 50 11 - 8 38 15 0.76 - 8 0 0 - 8 53 10 5 19 23.3 44 51 -14 - 8 57 9 - 8 49 10 - 8 59 8 - 8 47 11 0.76 - 7 0 0 - 9 2 46 5 19 27.0 45 50 -13 - 9 6 47 - 8 58 46 - 9 8 46 - 8 56 48 0.76 - 6 0 0 - 9 13 4 5 19 30.7 45 50 -12 - 9 17 4 - 9 9 3 - 9 19 4 - 9 7 4 0.76 - 5 0 0 - 9 24 1 5 19 34.5 46 49 -11 - 9 28 2 - 9 20 0 - 9 30 2 - 9 18 1 0.76 - 4 0 0 - 9 35 39 5 19 38.3 46 48 -10 - 9 39 40 - 9 31 37 - 9 41 40 - 9 29 37 0.76 - 3 0 0 - 9 47 56 5 19 42.1 47 47 -9 - 9 51 59 - 9 43 54 - 9 53 59 - 9 41 54 0.76 - 2 0 0 -10 0 54 5 19 46.0 48 45 -8 -10 4 57 - 9 56 52 -10 6 58 - 9 54 51 0.77 - 1 0 0 -10 14 32 5 19 50.0 48 44 -7 -10 18 36 -10 10 29 -10 20 36 -10 8 29 0.77 0 0 0 -10 28 50 5 19 54.0 49 43 -6 -10 32 54 -10 24 46 -10 34 55 -10 22 46 0.77 1 0 0 -10 43 48 5 19 58.0 49 42 -5 -10 47 53 -10 39 44 -10 49 54 -10 37 43 0.77 2 0 0 -10 59 26 5 20 2.0 50 41 -4 -11 3 31 -10 55 21 -11 5 33 -10 53 19 0.77 3 0 0 -11 15 44 5 20 6.1 50 39 -3 -11 19 50 -11 11 38 -11 21 52 -11 9 36 0.77 4 0 0 -11 32 41 5 20 10.3 50 38 -2 -11 36 48 -11 28 34 -11 38 50 -11 26 32 0.77 5 0 0 -11 50 17 5 20 14.4 51 37 -1 -11 54 25 -11 46 10 -11 56 28 -11 44 8 0.77 6 0 0 -12 8 34 5 20 18.6 51 35 0 -12 12 42 -12 4 25 -12 14 45 -12 2 22 0.77 7 0 0 -12 27 29 5 20 22.8 51 34 1 -12 31 38 -12 23 20 -12 33 42 -12 21 17 0.77 8 0 0 -12 47 3 5 20 27.1 52 32 2 -12 51 13 -12 42 53 -12 53 17 -12 40 50 0.77 9 0 0 -13 7 16 5 20 31.3 52 31 3 -13 11 27 -13 3 6 -13 13 32 -13 1 2 0.77 10 0 0 -13 28 8 5 20 35.6 52 29 4 -13 32 20 -13 23 57 -13 34 25 -13 21 52 0.77 11 0 0 -13 49 39 5 20 39.9 52 28 5 -13 53 51 -13 45 26 -13 55 57 -13 43 21 0.77 12 0 0 -14 11 47 5 20 44.3 52 26 6 -14 16 1 -14 7 33 -14 18 6 -14 5 28 0.77 13 0 0 -14 34 33 5 20 48.6 52 24 7 -14 38 48 -14 30 19 -14 40 54 -14 28 13 0.77 14 0 0 -14 57 57 5 20 52.9 53 23 8 -15 2 12 -14 53 41 -15 4 19 -14 51 35 0.77 15 0 0 -15 21 58 5 20 57.3 53 21 9 -15 26 14 -15 17 41 -15 28 22 -15 15 34 0.77 16 0 0 -15 46 36 5 21 1.7 52 19 10 -15 50 53 -15 42 18 -15 53 1 -15 40 11 0.77 17 0 0 -16 11 50 5 21 6.1 52 18 11 -16 16 8 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2.0 48 357 24 -22 35 38 -22 26 31 -22 37 54 -22 24 16 0.77 31 0 0 -23 3 47 5 22 6.2 47 356 25 -23 8 22 -22 59 13 -23 10 38 -22 56 57 0.77 32 0 0 -23 36 56 5 22 10.3 47 355 26 -23 41 32 -23 32 20 -23 43 49 -23 30 4 0.77 33 0 0 -24 10 30 5 22 14.3 46 353 27 -24 15 7 -24 5 53 -24 17 25 -24 3 36 0.77 34 0 0 -24 44 28 5 22 18.3 45 352 27 -24 49 6 -24 39 50 -24 51 25 -24 37 32 0.77 35 0 0 -25 18 49 5 22 22.3 44 351 28 -25 23 29 -25 14 10 -25 25 47 -25 11 52 0.76 36 0 0 -25 53 32 5 22 26.2 44 350 29 -25 58 13 -25 48 52 -26 0 32 -25 46 33 0.76 37 0 0 -26 28 35 5 22 30.1 43 348 30 -26 33 17 -26 23 54 -26 35 37 -26 21 34 0.76 38 0 0 -27 3 59 5 22 33.9 42 347 31 -27 8 42 -26 59 16 -27 11 2 -26 56 56 0.76 39 0 0 -27 39 40 5 22 37.6 41 346 31 -27 44 24 -27 34 56 -27 46 45 -27 32 35 0.76 40 0 0 -28 15 38 5 22 41.3 41 345 32 -28 20 23 -28 10 53 -28 22 45 -28 8 32 0.76 41 0 0 -28 51 52 5 22 44.9 40 344 33 -28 56 38 -28 47 6 -28 59 0 -28 44 44 0.76 42 0 0 -29 28 20 5 22 48.4 39 343 34 -29 33 7 -29 23 33 -29 35 30 -29 21 10 0.76 43 0 0 -30 5 1 5 22 51.8 38 342 34 -30 9 49 -30 0 13 -30 12 12 -29 57 50 0.76 44 0 0 -30 41 53 5 22 55.2 37 341 35 -30 46 43 -30 37 4 -30 49 6 -30 34 41 0.76 45 0 0 -31 18 56 5 22 58.5 36 340 36 -31 23 46 -31 14 6 -31 26 11 -31 11 42 0.76 46 0 0 -31 56 7 5 23 1.8 36 339 36 -32 0 59 -31 51 16 -32 3 23 -31 48 52 0.76 47 0 0 -32 33 26 5 23 4.9 35 338 37 -32 38 18 -32 28 33 -32 40 43 -32 26 9 0.76 48 0 0 -33 10 50 5 23 8.0 34 337 38 -33 15 43 -33 5 57 -33 18 9 -33 3 32 0.76 49 0 0 -33 48 18 5 23 11.0 33 336 38 -33 53 13 -33 43 24 -33 55 39 -33 40 59 0.76 50 0 0 -34 25 49 5 23 13.9 32 335 39 -34 30 45 -34 20 55 -34 33 11 -34 18 29 0.76 51 0 0 -35 3 22 5 23 16.7 31 334 39 -35 8 18 -34 58 26 -35 10 45 -34 56 0 0.76 52 0 0 -35 40 54 5 23 19.4 30 333 40 -35 45 51 -35 35 57 -35 48 18 -35 33 31 0.76 53 0 0 -36 18 24 5 23 22.0 29 333 40 -36 23 22 -36 13 27 -36 25 49 -36 11 0 0.76 54 0 0 -36 55 51 5 23 24.6 28 332 41 -37 0 49 -36 50 53 -37 3 17 -36 48 26 0.76 55 0 0 -37 33 13 5 23 27.0 27 331 41 -37 38 12 -37 28 15 -37 40 40 -37 25 47 0.76 56 0 0 -38 10 29 5 23 29.4 26 330 41 -38 15 29 -38 5 30 -38 17 57 -38 3 2 0.76 57 0 0 -38 47 38 5 23 31.7 25 329 42 -38 52 38 -38 42 38 -38 55 6 -38 40 10 0.76 58 0 0 -39 24 37 5 23 33.8 25 329 42 -39 29 37 -39 19 37 -39 32 6 -39 17 8 0.76 59 0 0 -40 1 26 5 23 35.9 24 328 42 -40 6 26 -39 56 25 -40 8 56 -39 53 56 0.76 60 0 0 -40 38 2 5 23 37.9 23 327 43 -40 43 3 -40 33 1 -40 45 33 -40 30 33 0.77 61 0 0 -41 14 26 5 23 39.8 22 326 43 -41 19 27 -41 9 25 -41 21 57 -41 6 55 0.77 62 0 0 -41 50 35 5 23 41.6 21 325 43 -41 55 36 -41 45 33 -41 58 6 -41 43 4 0.77 63 0 0 -42 26 27 5 23 43.3 20 325 43 -42 31 29 -42 21 26 -42 33 59 -42 18 57 0.77 64 0 0 -43 2 3 5 23 45.0 19 324 43 -43 7 5 -42 57 2 -43 9 35 -42 54 32 0.77 65 0 0 -43 37 21 5 23 46.5 18 323 43 -43 42 23 -43 32 19 -43 44 53 -43 29 50 0.77 66 0 0 -44 12 19 5 23 47.9 17 322 43 -44 17 22 -44 7 18 -44 19 52 -44 4 48 0.77 67 0 0 -44 46 57 5 23 49.3 16 322 44 -44 51 59 -44 41 56 -44 54 29 -44 39 26 0.77 68 0 0 -45 21 13 5 23 50.6 15 321 44 -45 26 16 -45 16 12 -45 28 45 -45 13 43 0.77 69 0 0 -45 55 7 5 23 51.8 14 320 44 -46 0 9 -45 50 6 -46 2 39 -45 47 37 0.77 70 0 0 -46 28 38 5 23 52.9 14 319 44 -46 33 39 -46 23 36 -46 36 9 -46 21 7 0.77 71 0 0 -47 1 44 5 23 53.9 13 318 43 -47 6 45 -46 56 43 -47 9 15 -46 54 14 0.77 72 0 0 -47 34 25 5 23 54.9 12 318 43 -47 39 26 -47 29 24 -47 41 55 -47 26 55 0.77 73 0 0 -48 6 40 5 23 55.8 11 317 43 -48 11 41 -48 1 40 -48 14 10 -47 59 11 0.77 74 0 0 -48 38 28 5 23 56.6 10 316 43 -48 43 29 -48 33 29 -48 45 58 -48 31 0 0.77 75 0 0 -49 9 50 5 23 57.3 9 315 43 -49 14 50 -49 4 50 -49 17 18 -49 2 22 0.77 76 0 0 -49 40 43 5 23 58.0 9 315 43 -49 45 43 -49 35 45 -49 48 11 -49 33 17 0.77 77 0 0 -50 11 9 5 23 58.6 8 314 43 -50 16 7 -50 6 10 -50 18 35 -50 3 43 0.77 78 0 0 -50 41 5 5 23 59.1 7 313 43 -50 46 3 -50 36 7 -50 48 31 -50 33 40 0.77 79 0 0 -51 10 32 5 23 59.6 6 312 42 -51 15 30 -51 5 35 -51 17 57 -51 3 8 0.78 80 0 0 -51 39 30 5 24 0.0 5 311 42 -51 44 26 -51 34 34 -51 46 54 -51 32 7 0.78 81 0 0 -52 7 58 5 24 0.3 5 311 42 -52 12 53 -52 3 2 -52 15 20 -52 0 36 0.78 82 0 0 -52 35 55 5 24 0.6 4 310 42 -52 40 50 -52 31 1 -52 43 17 -52 28 35 0.78 83 0 0 -53 3 22 5 24 0.8 3 309 42 -53 8 17 -52 58 29 -53 10 43 -52 56 3 0.79 84 0 0 -53 30 19 5 24 1.0 2 308 41 -53 35 12 -53 25 26 -53 37 38 -53 23 1 0.80 85 0 0 -53 56 45 5 24 1.1 2 308 41 -54 1 37 -53 51 53 -54 4 2 -53 49 28 0.81 86 0 0 -54 22 40 5 24 1.2 1 307 41 -54 27 32 -54 17 49 -54 29 56 -54 15 25 0.85 87 0 0 -54 48 5 5 24 1.2 0 306 40 -54 52 55 -54 43 15 -54 55 19 -54 40 51 1.65 Uncertainty in time = +/- 1 secs Prediction of 2023 Jul 15.6 Data for the target star ------------------------ * name: TYC 1386-01313-1 * constellation : Cancer * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 08 18 32.2610 DE: +19 52 32.339 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 08 18 32.2611 DE: +19 52 32.339 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.100,0.100) * V mag [mag]: 12.0 * B mag [mag]: 12.3 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (1531) Hartmut asteroid class: approx. diameter [km]: 12 approx. diameter ["]: 0.007 distance from Earth [AU]: 2.38440 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#51 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): 0.012", 0.001", 116.158° remarks: * orbital elements for (1531)Hartmut : Mean anomaly = 26.4291468322 deg Arg. of pericenter = 142.9630015992 deg Long. of node = 278.8131502839 deg Inclination = 12.4192049730 deg Eccentricity = 0.1544769689 Semimajor axis = 2.6271973315 AU Perihelion dist = 2.2213558511 AU Mag: H = 11.72, G = 0.15 Epoch of elements : MJD 60590.22285596 TDT (2024 Oct 07.2229) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#512023Apr24,0.43,2024,10,7,5.348557,-0.233314,-0.561437,14.106900,-5.865167,-0.005132,0.001212,-0.000001,0.000000 28.4094,19.7996,96.71,-5.69,False TYC 1386-01313-1,8.30896135,19.8756500,12.29,11.97,11.80,0.0,0,,8.33270286,19.7996402,4.58,4.31,0,0,0 1531,Hartmut,16.54,11.537,2.3844,0,0,3.687,-21.64,,1.0,0 0,26.3776,2024,10,7,142.9630,278.8132,12.4192,0.15448,2.62720,2.22136,11.72,5.0,0.15 1.248,0.0123,0.0015,116,0.0017,Known errors,0.95,0,-1,-1 20241007_1313-1,60140.62 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 14:47 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org