IOTA/IOTA-ES occultation update for (1757) Porvoo / TYC 1872-01994-1 event on 2024 Nov 21, 04:21 UT Visible from Summary ------- On 2024 Nov 21 UT, the 12.6854904662929 km diameter asteroid (1757) Porvoo will occult a 9.0 mag star in the constellation Gemini for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 8.09 mag to 17.07 mag (the magnitude of the asteroid) for at most 1.750 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: 83 * date and approx. time of event: 2024 Nov 21, 04:07 - 2024 Nov 21, 04:36 * geocentric midpoint of event [JD]: 2460635.68185579 * magnitude of target star: 8.98 * magnitude drop [mag]: 8.09 * estimated maximum duration [s]: 1.750 * Moon: 68 % sunlit, 37° distance * Sun: 148° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 13 * 1 sigma uncertainty interval [path widths]: +/- 0.64 * 1 sigma uncertainty interval [seconds]: +/- 3.0 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.021, +/- 0.004) * 1 sigma uncertainty ellipse (major, minor, PA): (0.021", 0.004", 87°) * approx speed of asteroid's shadow [km/s]: 7.3240 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 1872-01994-1 by 1757 Porvoo on 2024 Nov 21 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 -130 0 0 4 47 6 4 36 7.9 1 63 -32 4 51 6 4 43 7 4 56 10 4 38 2 .... -129 0 0 5 17 49 4 36 7.4 2 63 -33 5 21 47 5 13 50 5 26 51 5 8 46 0.08 -128 0 0 5 48 4 4 36 6.6 3 63 -34 5 52 2 5 44 6 5 57 4 5 39 3 0.13 -127 0 0 6 17 51 4 36 5.5 4 63 -35 6 21 48 6 13 54 6 26 50 6 8 52 0.15 -126 0 0 6 47 11 4 36 4.0 5 63 -37 6 51 7 6 43 14 6 56 8 6 38 13 0.16 -125 0 0 7 16 1 4 36 2.2 7 63 -38 7 19 57 7 12 6 7 24 57 7 7 5 0.17 -124 0 0 7 44 23 4 36 0.1 8 63 -39 7 48 18 7 40 28 7 53 17 7 35 29 0.18 -123 0 0 8 12 16 4 35 57.8 9 63 -40 8 16 10 8 8 22 8 21 8 8 3 23 0.18 -122 0 0 8 39 39 4 35 55.1 10 63 -41 8 43 33 8 35 46 8 48 30 8 30 48 0.18 -121 0 0 9 6 33 4 35 52.1 11 64 -42 9 10 26 9 2 40 9 15 22 8 57 44 0.18 -120 0 0 9 32 57 4 35 48.8 12 64 -43 9 36 49 9 29 5 9 41 44 9 24 9 0.19 -119 0 0 9 58 50 4 35 45.3 13 64 -44 10 2 42 9 54 59 10 7 36 9 50 4 0.19 -118 0 0 10 24 14 4 35 41.5 14 64 -45 10 28 5 10 20 23 10 32 58 10 15 29 0.19 -117 0 0 10 49 7 4 35 37.4 15 64 -46 10 52 57 10 45 17 10 57 49 10 40 24 0.19 -116 0 0 11 13 29 4 35 33.0 16 64 -47 11 17 18 11 9 40 11 22 10 11 4 48 0.19 -115 0 0 11 37 21 4 35 28.4 17 65 -48 11 41 9 11 33 32 11 46 0 11 28 41 0.19 -114 0 0 12 0 42 4 35 23.6 18 65 -49 12 4 30 11 56 54 12 9 20 11 52 3 0.19 -113 0 0 12 23 32 4 35 18.5 19 65 -50 12 27 19 12 19 44 12 32 8 12 14 55 0.19 -112 0 0 12 45 51 4 35 13.1 20 65 -51 12 49 38 12 42 4 12 54 26 12 37 16 0.19 -111 0 0 13 7 39 4 35 7.5 21 65 -52 13 11 25 13 3 53 13 16 13 12 59 5 0.19 -110 0 0 13 28 57 4 35 1.7 22 66 -53 13 32 42 13 25 11 13 37 29 13 20 24 0.19 -109 0 0 13 49 43 4 34 55.7 23 66 -54 13 53 28 13 45 58 13 58 14 13 41 12 0.19 -108 0 0 14 9 59 4 34 49.4 24 66 -55 14 13 43 14 6 14 14 18 28 14 1 29 0.19 -107 0 0 14 29 43 4 34 43.0 25 66 -56 14 33 27 14 26 0 14 38 11 14 21 15 0.19 -106 0 0 14 48 57 4 34 36.3 26 66 -57 14 52 40 14 45 14 14 57 24 14 40 30 0.19 -105 0 0 15 7 40 4 34 29.4 27 67 -58 15 11 22 15 3 57 15 16 5 14 59 14 0.19 -104 0 0 15 25 52 4 34 22.3 28 67 -59 15 29 34 15 22 10 15 34 16 15 17 27 0.19 -103 0 0 15 43 33 4 34 15.1 29 67 -60 15 47 14 15 39 51 15 51 56 15 35 10 0.19 -102 0 0 16 0 43 4 34 7.6 30 67 -61 16 4 24 15 57 2 16 9 5 15 52 21 0.19 -101 0 0 16 17 23 4 34 0.0 31 67 -62 16 21 4 16 13 43 16 25 44 16 9 2 0.19 -100 0 0 16 33 33 4 33 52.1 32 68 -63 16 37 12 16 29 53 16 41 52 16 25 13 0.19 - 99 0 0 16 49 11 4 33 44.1 33 68 -64 16 52 51 16 45 32 16 57 30 16 40 53 0.19 - 98 0 0 17 4 20 4 33 36.0 34 68 -65 17 7 59 17 0 41 17 12 37 16 56 2 0.19 - 97 0 0 17 18 58 4 33 27.6 35 68 -66 17 22 36 17 15 20 17 27 14 17 10 42 0.19 - 96 0 0 17 33 6 4 33 19.1 36 68 -67 17 36 44 17 29 28 17 41 21 17 24 51 0.19 - 95 0 0 17 46 44 4 33 10.4 37 69 -68 17 50 21 17 43 6 17 54 58 17 38 29 0.19 - 94 0 0 17 59 51 4 33 1.6 38 69 -69 18 3 29 17 56 14 18 8 5 17 51 38 0.19 - 93 0 0 18 12 29 4 32 52.6 39 69 -70 18 16 6 18 8 53 18 20 42 18 4 17 0.19 - 92 0 0 18 24 37 4 32 43.5 40 69 -71 18 28 14 18 21 1 18 32 49 18 16 26 0.19 - 91 0 0 18 36 16 4 32 34.2 41 69 -72 18 39 52 18 32 40 18 44 26 18 28 5 0.19 - 90 0 0 18 47 24 4 32 24.8 41 70 -73 18 51 0 18 43 49 18 55 34 18 39 14 0.19 - 89 0 0 18 58 3 4 32 15.3 42 70 -73 19 1 39 18 54 28 19 6 12 18 49 54 0.19 - 88 0 0 19 8 13 4 32 5.6 43 70 -74 19 11 48 19 4 38 19 16 21 19 0 5 0.19 - 87 0 0 19 17 53 4 31 55.7 44 70 -75 19 21 28 19 14 19 19 26 1 19 9 46 0.19 - 86 0 0 19 27 4 4 31 45.8 45 70 -76 19 30 39 19 23 30 19 35 11 19 18 57 0.19 - 85 0 0 19 35 46 4 31 35.7 46 70 -77 19 39 20 19 32 12 19 43 52 19 27 40 0.19 - 84 0 0 19 43 59 4 31 25.5 47 70 -78 19 47 33 19 40 26 19 52 5 19 35 54 0.19 - 83 0 0 19 51 43 4 31 15.2 48 71 -79 19 55 17 19 48 10 19 59 48 19 43 38 0.19 - 82 0 0 19 58 58 4 31 4.7 49 71 -80 20 2 31 19 55 25 20 7 3 19 50 54 0.18 - 81 0 0 20 5 45 4 30 54.1 50 71 -81 20 9 17 20 2 12 20 13 48 19 57 41 0.18 - 80 0 0 20 12 2 4 30 43.4 50 71 -82 20 15 35 20 8 29 20 20 5 20 3 59 0.18 - 79 0 0 20 17 51 4 30 32.6 51 71 -82 20 21 24 20 14 18 20 25 54 20 9 48 0.18 - 78 0 0 20 23 11 4 30 21.7 52 71 -83 20 26 44 20 19 39 20 31 14 20 15 9 0.18 - 77 0 0 20 28 3 4 30 10.7 53 71 -84 20 31 36 20 24 31 20 36 5 20 20 1 0.18 - 76 0 0 20 32 27 4 29 59.6 54 71 -85 20 35 59 20 28 55 20 40 29 20 24 25 0.18 - 75 0 0 20 36 22 4 29 48.3 55 71 -86 20 39 54 20 32 50 20 44 23 20 28 20 0.18 - 74 0 0 20 39 49 4 29 37.0 56 71 -87 20 43 21 20 36 17 20 47 50 20 31 48 0.18 - 73 0 0 20 42 48 4 29 25.5 56 71 -87 20 46 19 20 39 16 20 50 49 20 34 47 0.18 - 72 0 0 20 45 18 4 29 14.0 57 71 -88 20 48 50 20 41 47 20 53 19 20 37 17 0.18 - 71 0 0 20 47 21 4 29 2.4 58 71 -88 20 50 52 20 43 49 20 55 21 20 39 20 0.18 - 70 0 0 20 48 55 4 28 50.6 59 71 -88 20 52 27 20 45 24 20 56 56 20 40 55 0.18 - 69 0 0 20 50 2 4 28 38.8 60 71 -88 20 53 33 20 46 30 20 58 2 20 42 1 0.18 - 68 0 0 20 50 40 4 28 26.9 61 71 -87 20 54 12 20 47 9 20 58 40 20 42 40 0.18 - 67 0 0 20 50 51 4 28 14.9 62 70 -86 20 54 22 20 47 19 20 58 51 20 42 50 0.18 - 66 0 0 20 50 33 4 28 2.7 62 70 -85 20 54 5 20 47 2 20 58 34 20 42 33 0.18 - 65 0 0 20 49 48 4 27 50.5 63 70 -85 20 53 20 20 46 17 20 57 49 20 41 48 0.18 - 64 0 0 20 48 35 4 27 38.3 64 70 -84 20 52 7 20 45 4 20 56 36 20 40 35 0.18 - 63 0 0 20 46 55 4 27 25.9 65 69 -83 20 50 26 20 43 23 20 54 55 20 38 54 0.18 - 62 0 0 20 44 46 4 27 13.4 66 69 -82 20 48 18 20 41 14 20 52 47 20 36 45 0.18 - 61 0 0 20 42 10 4 27 0.9 66 68 -81 20 45 41 20 38 38 20 50 10 20 34 9 0.18 - 60 0 0 20 39 6 4 26 48.3 67 68 -80 20 42 37 20 35 34 20 47 7 20 31 5 0.18 - 59 0 0 20 35 34 4 26 35.6 68 67 -79 20 39 6 20 32 2 20 43 35 20 27 33 0.18 - 58 0 0 20 31 34 4 26 22.8 69 66 -79 20 35 6 20 28 2 20 39 36 20 23 33 0.18 - 57 0 0 20 27 7 4 26 9.9 70 66 -78 20 30 39 20 23 35 20 35 9 20 19 5 0.18 - 56 0 0 20 22 12 4 25 57.0 70 65 -77 20 25 44 20 18 40 20 30 14 20 14 10 0.18 - 55 0 0 20 16 49 4 25 44.0 71 64 -76 20 20 22 20 13 17 20 24 52 20 8 47 0.18 - 54 0 0 20 10 59 4 25 30.9 72 63 -75 20 14 31 20 7 26 20 19 2 20 2 56 0.18 - 53 0 0 20 4 41 4 25 17.7 73 61 -74 20 8 13 20 1 8 20 12 44 19 56 37 0.18 - 52 0 0 19 57 55 4 25 4.5 73 60 -73 20 1 28 19 54 22 20 5 58 19 49 51 0.18 - 51 0 0 19 50 41 4 24 51.2 74 58 -72 19 54 14 19 47 8 19 58 45 19 42 36 0.18 - 50 0 0 19 42 59 4 24 37.9 75 56 -71 19 46 33 19 39 26 19 51 4 19 34 54 0.18 - 49 0 0 19 34 50 4 24 24.4 75 54 -71 19 38 24 19 31 16 19 42 55 19 26 45 0.18 - 48 0 0 19 26 13 4 24 10.9 76 52 -70 19 29 47 19 22 39 19 34 19 19 18 7 0.18 - 47 0 0 19 17 8 4 23 57.4 77 50 -69 19 20 42 19 13 34 19 25 15 19 9 1 0.18 - 46 0 0 19 7 35 4 23 43.8 77 47 -68 19 11 10 19 4 1 19 15 42 18 59 28 0.18 - 45 0 0 18 57 35 4 23 30.1 78 44 -67 19 1 9 18 54 0 19 5 42 18 49 26 0.18 - 44 0 0 18 47 6 4 23 16.4 78 40 -66 18 50 41 18 43 31 18 55 15 18 38 57 0.18 - 43 0 0 18 36 10 4 23 2.6 79 37 -65 18 39 45 18 32 34 18 44 19 18 28 0 0.18 - 42 0 0 18 24 45 4 22 48.7 79 33 -64 18 28 21 18 21 9 18 32 55 18 16 35 0.18 - 41 0 0 18 12 53 4 22 34.8 79 29 -63 18 16 29 18 9 17 18 21 4 18 4 42 0.18 - 40 0 0 18 0 32 4 22 20.9 79 24 -62 18 4 9 17 56 56 18 8 44 17 52 20 0.18 - 39 0 0 17 47 44 4 22 6.9 80 19 -61 17 51 21 17 44 7 17 55 57 17 39 31 0.18 - 38 0 0 17 34 28 4 21 52.8 80 15 -61 17 38 5 17 30 51 17 42 41 17 26 14 0.18 - 37 0 0 17 20 43 4 21 38.8 80 10 -60 17 24 21 17 17 6 17 28 58 17 12 29 0.18 - 36 0 0 17 6 31 4 21 24.6 79 5 -59 17 10 9 17 2 53 17 14 46 16 58 16 0.18 - 35 0 0 16 51 51 4 21 10.5 79 0 -58 16 55 29 16 48 12 17 0 7 16 43 34 0.18 - 34 0 0 16 36 42 4 20 56.3 79 356 -57 16 40 21 16 33 3 16 45 0 16 28 25 0.18 - 33 0 0 16 21 6 4 20 42.1 79 352 -56 16 24 45 16 17 27 16 29 24 16 12 47 0.18 - 32 0 0 16 5 1 4 20 27.8 78 348 -55 16 8 41 16 1 22 16 13 21 15 56 42 0.18 - 31 0 0 15 48 29 4 20 13.5 78 344 -54 15 52 9 15 44 49 15 56 49 15 40 8 0.18 - 30 0 0 15 31 29 4 19 59.2 77 341 -53 15 35 9 15 27 48 15 39 50 15 23 7 0.18 - 29 0 0 15 14 0 4 19 44.9 77 338 -52 15 17 41 15 10 19 15 22 23 15 5 37 0.18 - 28 0 0 14 56 4 4 19 30.5 76 335 -51 14 59 45 14 52 22 15 4 27 14 47 40 0.19 - 27 0 0 14 37 39 4 19 16.2 75 333 -50 14 41 21 14 33 57 14 46 4 14 29 14 0.19 - 26 0 0 14 18 47 4 19 1.8 75 331 -49 14 22 30 14 15 4 14 27 13 14 10 21 0.19 - 25 0 0 13 59 27 4 18 47.4 74 329 -48 14 3 10 13 55 44 14 7 54 13 51 0 0.19 - 24 0 0 13 39 39 4 18 33.1 73 327 -47 13 43 23 13 35 55 13 48 7 13 31 11 0.19 - 23 0 0 13 19 24 4 18 18.7 72 325 -46 13 23 8 13 15 39 13 27 53 13 10 54 0.19 - 22 0 0 12 58 41 4 18 4.3 72 324 -45 13 2 25 12 54 56 13 7 11 12 50 10 0.19 - 21 0 0 12 37 30 4 17 50.0 71 322 -44 12 41 15 12 33 45 12 46 2 12 28 58 0.19 - 20 0 0 12 15 52 4 17 35.6 70 321 -43 12 19 38 12 12 6 12 24 25 12 7 18 0.19 - 19 0 0 11 53 46 4 17 21.3 69 320 -42 11 57 33 11 50 0 12 2 21 11 45 12 0.19 - 18 0 0 11 31 14 4 17 7.0 68 319 -41 11 35 1 11 27 27 11 39 50 11 22 38 0.19 - 17 0 0 11 8 14 4 16 52.8 67 318 -40 11 12 2 11 4 27 11 16 51 10 59 37 0.19 - 16 0 0 10 44 48 4 16 38.5 66 317 -39 10 48 36 10 40 59 10 53 26 10 36 9 0.19 - 15 0 0 10 20 54 4 16 24.3 65 317 -38 10 24 43 10 17 6 10 29 34 10 12 14 0.19 - 14 0 0 9 56 35 4 16 10.2 64 316 -37 10 0 24 9 52 45 10 5 15 9 47 53 0.19 - 13 0 0 9 31 48 4 15 56.1 64 315 -36 9 35 38 9 27 58 9 40 31 9 23 6 0.19 - 12 0 0 9 6 36 4 15 42.1 63 315 -35 9 10 26 9 2 45 9 15 20 8 57 52 0.19 - 11 0 0 8 40 58 4 15 28.1 62 314 -34 8 44 49 8 37 7 8 49 43 8 32 13 0.19 - 10 0 0 8 14 54 4 15 14.2 61 314 -33 8 18 46 8 11 2 8 23 40 8 6 7 0.19 - 9 0 0 7 48 25 4 15 0.4 60 313 -32 7 52 17 7 44 32 7 57 12 7 39 37 0.19 - 8 0 0 7 21 30 4 14 46.6 59 313 -31 7 25 23 7 17 37 7 30 19 7 12 41 0.19 - 7 0 0 6 54 11 4 14 33.0 58 313 -30 6 58 5 6 50 18 7 3 2 6 45 21 0.19 - 6 0 0 6 26 28 4 14 19.4 57 312 -29 6 30 22 6 22 34 6 35 19 6 17 36 0.20 - 5 0 0 5 58 20 4 14 6.0 56 312 -28 6 2 15 5 54 25 6 7 13 5 49 27 0.20 - 4 0 0 5 29 49 4 13 52.6 55 312 -27 5 33 44 5 25 54 5 38 43 5 20 54 0.20 - 3 0 0 5 0 54 4 13 39.4 54 311 -26 5 4 50 4 56 58 5 9 50 4 51 58 0.20 - 2 0 0 4 31 37 4 13 26.3 53 311 -25 4 35 33 4 27 40 4 40 34 4 22 39 0.20 - 1 0 0 4 1 57 4 13 13.3 52 311 -24 4 5 54 3 58 0 4 10 55 3 52 58 0.20 0 0 0 3 31 55 4 13 0.5 51 311 -23 3 35 52 3 27 57 3 40 54 3 22 55 0.20 1 0 0 3 1 31 4 12 47.8 50 310 -22 3 5 29 2 57 33 3 10 32 2 52 30 0.20 2 0 0 2 30 47 4 12 35.3 48 310 -21 2 34 46 2 26 48 2 39 49 2 21 44 0.20 3 0 0 1 59 42 4 12 22.9 47 310 -20 2 3 41 1 55 43 2 8 46 1 50 38 0.20 4 0 0 1 28 18 4 12 10.7 46 310 -19 1 32 17 1 24 18 1 37 22 1 19 13 0.20 5 0 0 0 56 34 4 11 58.7 45 310 -18 1 0 34 0 52 34 1 5 40 0 47 28 0.20 6 0 0 0 24 31 4 11 46.8 44 309 -17 0 28 32 0 20 31 0 33 39 0 15 24 0.20 7 0 0 - 0 7 49 4 11 35.2 43 309 -16 - 0 3 48 - 0 11 50 0 1 19 - 0 16 58 0.20 8 0 0 - 0 40 27 4 11 23.7 42 309 -14 - 0 36 25 - 0 44 29 - 0 31 17 - 0 49 36 0.20 9 0 0 - 1 13 21 4 11 12.5 41 309 -13 - 1 9 19 - 1 17 23 - 1 4 10 - 1 22 32 0.20 10 0 0 - 1 46 31 4 11 1.5 40 309 -12 - 1 42 28 - 1 50 34 - 1 37 19 - 1 55 43 0.20 11 0 0 - 2 19 56 4 10 50.7 39 309 -11 - 2 15 53 - 2 24 0 - 2 10 43 - 2 29 9 0.20 12 0 0 - 2 53 36 4 10 40.1 38 308 -10 - 2 49 32 - 2 57 40 - 2 44 22 - 3 2 50 0.20 13 0 0 - 3 27 29 4 10 29.8 37 308 -9 - 3 23 25 - 3 31 33 - 3 18 14 - 3 36 44 0.21 14 0 0 - 4 1 34 4 10 19.7 36 308 -8 - 3 57 30 - 4 5 39 - 3 52 19 - 4 10 50 0.21 15 0 0 - 4 35 52 4 10 9.8 34 308 -7 - 4 31 47 - 4 39 57 - 4 26 35 - 4 45 9 0.21 16 0 0 - 5 10 21 4 10 0.2 33 308 -6 - 5 6 15 - 5 14 26 - 5 1 3 - 5 19 38 0.21 17 0 0 - 5 44 59 4 9 50.9 32 308 -5 - 5 40 53 - 5 49 5 - 5 35 41 - 5 54 18 0.21 18 0 0 - 6 19 47 4 9 41.9 31 307 -4 - 6 15 41 - 6 23 53 - 6 10 28 - 6 29 6 0.21 19 0 0 - 6 54 43 4 9 33.1 30 307 -2 - 6 50 36 - 6 58 49 - 6 45 23 - 7 4 3 0.21 20 0 0 - 7 29 46 4 9 24.6 29 307 -1 - 7 25 39 - 7 33 53 - 7 20 25 - 7 39 7 0.21 21 0 0 - 8 4 55 4 9 16.4 28 307 0 - 8 0 48 - 8 9 2 - 7 55 34 - 8 14 17 0.21 22 0 0 - 8 40 10 4 9 8.5 27 307 1 - 8 36 3 - 8 44 17 - 8 30 48 - 8 49 32 0.21 23 0 0 - 9 15 29 4 9 0.9 26 306 2 - 9 11 22 - 9 19 37 - 9 6 7 - 9 24 52 0.21 24 0 0 - 9 50 51 4 8 53.6 24 306 3 - 9 46 44 - 9 54 59 - 9 41 29 -10 0 14 0.21 25 0 0 -10 26 16 4 8 46.6 23 306 4 -10 22 8 -10 30 24 -10 16 53 -10 35 39 0.21 26 0 0 -11 1 41 4 8 39.9 22 306 5 -10 57 33 -11 5 49 -10 52 18 -11 11 5 0.21 27 0 0 -11 37 7 4 8 33.6 21 306 6 -11 32 59 -11 41 15 -11 27 44 -11 46 31 0.21 28 0 0 -12 12 32 4 8 27.5 20 305 7 -12 8 24 -12 16 40 -12 3 8 -12 21 56 0.21 29 0 0 -12 47 55 4 8 21.8 19 305 9 -12 43 47 -12 52 3 -12 38 31 -12 57 20 0.21 30 0 0 -13 23 15 4 8 16.4 18 305 10 -13 19 7 -13 27 23 -13 13 51 -13 32 40 0.21 31 0 0 -13 58 31 4 8 11.3 17 305 11 -13 54 22 -14 2 39 -13 49 6 -14 7 55 0.21 32 0 0 -14 33 41 4 8 6.6 15 304 12 -14 29 33 -14 37 50 -14 24 17 -14 43 6 0.21 33 0 0 -15 8 46 4 8 2.2 14 304 13 -15 4 37 -15 12 54 -14 59 22 -15 18 10 0.21 34 0 0 -15 43 43 4 7 58.1 13 304 14 -15 39 35 -15 47 51 -15 34 19 -15 53 7 0.21 35 0 0 -16 18 32 4 7 54.4 12 304 15 -16 14 24 -16 22 40 -16 9 8 -16 27 56 0.21 36 0 0 -16 53 11 4 7 51.0 11 303 16 -16 49 3 -16 57 19 -16 43 48 -17 2 35 0.21 37 0 0 -17 27 40 4 7 47.9 10 303 17 -17 23 33 -17 31 48 -17 18 17 -17 37 4 0.21 38 0 0 -18 1 58 4 7 45.1 9 303 18 -17 57 50 -18 6 6 -17 52 35 -18 11 21 0.21 39 0 0 -18 36 4 4 7 42.7 8 302 19 -18 31 56 -18 40 11 -18 26 41 -18 45 26 0.21 40 0 0 -19 9 56 4 7 40.6 7 302 20 -19 5 49 -19 14 3 -19 0 34 -19 19 18 0.20 41 0 0 -19 43 34 4 7 38.8 6 302 21 -19 39 27 -19 47 41 -19 34 12 -19 52 55 0.20 42 0 0 -20 16 56 4 7 37.4 4 301 22 -20 12 50 -20 21 3 -20 7 36 -20 26 17 0.20 43 0 0 -20 50 3 4 7 36.3 3 301 23 -20 45 56 -20 54 9 -20 40 43 -20 59 23 0.20 44 0 0 -21 22 52 4 7 35.5 2 301 25 -21 18 46 -21 26 58 -21 13 33 -21 32 12 0.19 45 0 0 -21 55 24 4 7 35.0 1 300 26 -21 51 18 -21 59 30 -21 46 6 -22 4 43 0.17 46 0 0 -22 27 37 4 7 34.8 0 300 27 -22 23 32 -22 31 42 -22 18 20 -22 36 55 -0.14 Uncertainty in time = +/- 3 secs Prediction of 2023 Jul 15.7 Data for the target star ------------------------ * name: TYC 1872-01994-1 * constellation : Gemini * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 06 02 34.3305 DE: +27 24 05.736 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 06 02 34.3311 DE: +27 24 05.737 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.100) * V mag [mag]: 9.0 * B mag [mag]: 9.3 * Diameter [mas]: 0.10 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (1757) Porvoo asteroid class: approx. diameter [km]: 13 approx. diameter ["]: 0.011 distance from Earth [AU]: 1.52370 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): 0.021", 0.004", 87.4° remarks: * orbital elements for (1757)Porvoo : Mean anomaly = 263.8155697193 deg Arg. of pericenter = 148.9670985887 deg Long. of node = 39.3752131664 deg Inclination = 3.9707993805 deg Eccentricity = 0.1249951504 Semimajor axis = 2.3529998712 AU Perihelion dist = 2.0588862983 AU Mag: H = 13.50, G = 0.15 Epoch of elements : MJD 60635.18185651 TDT (2024 Nov 21.1819) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#512023Apr24,1.75,2024,11,21,4.364539,-0.047719,-0.172115,-3.990669,1.078644,-0.003035,-0.000318,0.000001,0.000000 -35.0961,27.4018,111.01,-20.01,False TYC 1872-01994-1,6.04286958,27.4015934,9.32,8.98,8.80,0.1,0,,6.06924763,27.4017672,8.09,7.83,0,0,0 1757,Porvoo,17.07,12.796,1.5237,0,0,-1.730,6.23,,1.0,0 0,263.7659,2024,11,21,148.9671,39.3752,3.9708,0.12500,2.35300,2.05889,13.50,5.0,0.15 1.636,0.0207,0.0040,87,0.0074,Known errors,1.02,0,-1,-1 20241121_1994-1,60140.71 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 16:59 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org