IOTA/IOTA-ES occultation update for (950) Ahrensa / TYC 1099-01484-1 event on 2024 Jul 04, 05:21 UT Visible from Summary ------- On 2024 Jul 04 UT, the 15.361 km diameter asteroid (950) Ahrensa will occult a 10.2 mag star in the constellation Delphinus for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 5.17 mag to 15.35 mag (the magnitude of the asteroid) for at most 1.700 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 Jul 04, 05:10 - 2024 Jul 04, 05:33 * geocentric midpoint of event [JD]: 2460495.72360021 * magnitude of target star: 10.19 * magnitude drop [mag]: 5.17 * estimated maximum duration [s]: 1.700 * Moon: 3 % sunlit, 118° distance * Sun: 136° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 15 * 1 sigma uncertainty interval [path widths]: +/- 0.26 * 1 sigma uncertainty interval [seconds]: +/- 1.9 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.014, +/- 0.003) * 1 sigma uncertainty ellipse (major, minor, PA): (0.014", 0.003", 92°) * approx speed of asteroid's shadow [km/s]: 9.0557 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 1099-01484-1 by 950 Ahrensa on 2024 Jul 4 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 -146 0 0 - 6 15 33 5 33 41.0 0 76 -27 - 6 11 14 - 6 19 51 - 6 9 1 - 6 22 4 .... -145 0 0 - 6 0 40 5 33 40.8 1 76 -27 - 5 56 22 - 6 4 59 - 5 54 9 - 6 7 12 -0.02 -144 0 0 - 5 45 47 5 33 40.4 2 76 -28 - 5 41 28 - 5 50 5 - 5 39 15 - 5 52 18 0.03 -143 0 0 - 5 30 52 5 33 39.8 3 76 -29 - 5 26 33 - 5 35 10 - 5 24 20 - 5 37 24 0.05 -142 0 0 - 5 15 56 5 33 38.9 4 76 -30 - 5 11 38 - 5 20 15 - 5 9 24 - 5 22 28 0.06 -141 0 0 - 5 1 0 5 33 37.9 5 76 -31 - 4 56 41 - 5 5 19 - 4 54 28 - 5 7 32 0.06 -140 0 0 - 4 46 3 5 33 36.6 6 76 -32 - 4 41 45 - 4 50 22 - 4 39 32 - 4 52 35 0.07 -139 0 0 - 4 31 7 5 33 35.0 7 75 -32 - 4 26 48 - 4 35 26 - 4 24 35 - 4 37 39 0.07 -138 0 0 - 4 16 11 5 33 33.3 8 75 -33 - 4 11 52 - 4 20 30 - 4 9 39 - 4 22 43 0.07 -137 0 0 - 4 1 16 5 33 31.3 9 75 -34 - 3 56 57 - 4 5 34 - 3 54 44 - 4 7 47 0.07 -136 0 0 - 3 46 21 5 33 29.2 11 75 -35 - 3 42 3 - 3 50 40 - 3 39 50 - 3 52 53 0.07 -135 0 0 - 3 31 28 5 33 26.8 12 75 -35 - 3 27 10 - 3 35 47 - 3 24 56 - 3 38 0 0.07 -134 0 0 - 3 16 36 5 33 24.1 13 75 -36 - 3 12 18 - 3 20 55 - 3 10 5 - 3 23 8 0.08 -133 0 0 - 3 1 47 5 33 21.3 14 75 -37 - 2 57 28 - 3 6 5 - 2 55 15 - 3 8 18 0.08 -132 0 0 - 2 46 59 5 33 18.3 15 75 -38 - 2 42 41 - 2 51 17 - 2 40 28 - 2 53 30 0.08 -131 0 0 - 2 32 14 5 33 15.0 16 75 -39 - 2 27 55 - 2 36 32 - 2 25 42 - 2 38 45 0.08 -130 0 0 - 2 17 31 5 33 11.5 17 75 -39 - 2 13 13 - 2 21 49 - 2 11 0 - 2 24 2 0.08 -129 0 0 - 2 2 52 5 33 7.9 18 75 -40 - 1 58 33 - 2 7 10 - 1 56 21 - 2 9 23 0.08 -128 0 0 - 1 48 15 5 33 4.0 19 75 -41 - 1 43 57 - 1 52 34 - 1 41 44 - 1 54 47 0.08 -127 0 0 - 1 33 43 5 32 59.9 20 75 -42 - 1 29 25 - 1 38 1 - 1 27 12 - 1 40 14 0.08 -126 0 0 - 1 19 14 5 32 55.6 21 75 -42 - 1 14 56 - 1 23 32 - 1 12 43 - 1 25 45 0.08 -125 0 0 - 1 4 49 5 32 51.1 22 75 -43 - 1 0 31 - 1 9 7 - 0 58 18 - 1 11 20 0.08 -124 0 0 - 0 50 28 5 32 46.4 23 75 -44 - 0 46 11 - 0 54 46 - 0 43 58 - 0 56 59 0.08 -123 0 0 - 0 36 13 5 32 41.5 24 75 -44 - 0 31 55 - 0 40 30 - 0 29 42 - 0 42 43 0.08 -122 0 0 - 0 22 2 5 32 36.5 25 75 -45 - 0 17 44 - 0 26 19 - 0 15 31 - 0 28 32 0.08 -121 0 0 - 0 7 56 5 32 31.2 26 75 -46 - 0 3 38 - 0 12 13 - 0 1 25 - 0 14 26 0.08 -120 0 0 0 6 5 5 32 25.7 27 75 -47 0 10 22 0 1 47 0 12 35 - 0 0 25 0.08 -119 0 0 0 20 0 5 32 20.1 28 75 -47 0 24 17 0 15 42 0 26 30 0 13 30 0.08 -118 0 0 0 33 49 5 32 14.2 29 75 -48 0 38 6 0 29 31 0 40 18 0 27 19 0.08 -117 0 0 0 47 32 5 32 8.2 30 75 -48 0 51 49 0 43 14 0 54 1 0 41 2 0.08 -116 0 0 1 1 8 5 32 2.0 31 75 -49 1 5 25 0 56 51 1 7 38 0 54 38 0.08 -115 0 0 1 14 38 5 31 55.7 32 75 -50 1 18 55 1 10 21 1 21 7 1 8 9 0.08 -114 0 0 1 28 1 5 31 49.1 33 74 -50 1 32 18 1 23 44 1 34 30 1 21 32 0.08 -113 0 0 1 41 17 5 31 42.4 34 74 -51 1 45 34 1 37 0 1 47 46 1 34 48 0.08 -112 0 0 1 54 26 5 31 35.5 35 74 -52 1 58 43 1 50 9 2 0 55 1 47 57 0.08 -111 0 0 2 7 28 5 31 28.4 36 74 -52 2 11 44 2 3 11 2 13 56 2 0 59 0.08 -110 0 0 2 20 21 5 31 21.2 37 74 -53 2 24 38 2 16 5 2 26 50 2 13 53 0.08 -109 0 0 2 33 7 5 31 13.8 38 74 -53 2 37 24 2 28 51 2 39 36 2 26 39 0.08 -108 0 0 2 45 45 5 31 6.3 39 74 -54 2 50 1 2 41 29 2 52 13 2 39 17 0.08 -107 0 0 2 58 14 5 30 58.6 40 74 -54 3 2 31 2 53 58 3 4 42 2 51 46 0.08 -106 0 0 3 10 35 5 30 50.8 41 74 -55 3 14 51 3 6 19 3 17 3 3 4 8 0.08 -105 0 0 3 22 48 5 30 42.8 42 74 -55 3 27 4 3 18 32 3 29 15 3 16 20 0.08 -104 0 0 3 34 51 5 30 34.7 43 74 -56 3 39 7 3 30 36 3 41 19 3 28 24 0.08 -103 0 0 3 46 46 5 30 26.4 44 74 -56 3 51 1 3 42 30 3 53 13 3 40 19 0.08 -102 0 0 3 58 31 5 30 18.0 45 74 -57 4 2 47 3 54 16 4 4 58 3 52 4 0.08 -101 0 0 4 10 7 5 30 9.4 46 74 -57 4 14 22 4 5 52 4 16 34 4 3 40 0.08 -100 0 0 4 21 33 5 30 0.7 46 74 -57 4 25 48 4 17 18 4 28 0 4 15 7 0.08 - 99 0 0 4 32 50 5 29 51.9 47 74 -58 4 37 5 4 28 35 4 39 16 4 26 23 0.08 - 98 0 0 4 43 57 5 29 43.0 48 74 -58 4 48 12 4 39 42 4 50 23 4 37 30 0.08 - 97 0 0 4 54 53 5 29 33.9 49 74 -58 4 59 8 4 50 38 5 1 19 4 48 27 0.08 - 96 0 0 5 5 40 5 29 24.7 50 74 -59 5 9 55 5 1 25 5 12 6 4 59 14 0.08 - 95 0 0 5 16 16 5 29 15.4 51 74 -59 5 20 31 5 12 1 5 22 42 5 9 50 0.08 - 94 0 0 5 26 42 5 29 6.0 52 74 -59 5 30 56 5 22 27 5 33 7 5 20 16 0.08 - 93 0 0 5 36 57 5 28 56.5 53 74 -59 5 41 11 5 32 42 5 43 22 5 30 31 0.08 - 92 0 0 5 47 1 5 28 46.8 54 74 -59 5 51 15 5 42 47 5 53 26 5 40 36 0.08 - 91 0 0 5 56 55 5 28 37.1 55 74 -60 6 1 9 5 52 40 6 3 19 5 50 30 0.08 - 90 0 0 6 6 37 5 28 27.2 56 74 -60 6 10 51 6 2 23 6 13 2 6 0 12 0.08 - 89 0 0 6 16 8 5 28 17.3 57 74 -60 6 20 22 6 11 54 6 22 33 6 9 44 0.08 - 88 0 0 6 25 28 5 28 7.2 58 74 -60 6 29 42 6 21 15 6 31 53 6 19 4 0.08 - 87 0 0 6 34 37 5 27 57.1 59 74 -60 6 38 51 6 30 23 6 41 1 6 28 13 0.08 - 86 0 0 6 43 34 5 27 46.9 60 74 -60 6 47 48 6 39 21 6 49 58 6 37 10 0.08 - 85 0 0 6 52 20 5 27 36.6 61 74 -60 6 56 33 6 48 6 6 58 43 6 45 56 0.08 - 84 0 0 7 0 54 5 27 26.2 62 74 -60 7 5 7 6 56 40 7 7 17 6 54 30 0.08 - 83 0 0 7 9 16 5 27 15.7 63 74 -60 7 13 29 7 5 2 7 15 39 7 2 52 0.08 - 82 0 0 7 17 26 5 27 5.1 64 73 -60 7 21 39 7 13 13 7 23 49 7 11 2 0.08 - 81 0 0 7 25 24 5 26 54.5 65 73 -60 7 29 37 7 21 11 7 31 47 7 19 1 0.08 - 80 0 0 7 33 10 5 26 43.8 66 73 -60 7 37 23 7 28 57 7 39 33 7 26 47 0.08 - 79 0 0 7 40 44 5 26 33.1 67 73 -60 7 44 56 7 36 31 7 47 6 7 34 21 0.08 - 78 0 0 7 48 5 5 26 22.2 68 72 -59 7 52 18 7 43 53 7 54 28 7 41 43 0.08 - 77 0 0 7 55 14 5 26 11.3 69 72 -59 7 59 27 7 51 2 8 1 37 7 48 52 0.08 - 76 0 0 8 2 11 5 26 0.4 69 72 -59 8 6 24 7 57 59 8 8 33 7 55 49 0.08 - 75 0 0 8 8 55 5 25 49.4 70 71 -59 8 13 8 8 4 43 8 15 17 8 2 33 0.08 - 74 0 0 8 15 27 5 25 38.3 71 71 -58 8 19 39 8 11 15 8 21 49 8 9 5 0.08 - 73 0 0 8 21 46 5 25 27.2 72 70 -58 8 25 58 8 17 34 8 28 8 8 15 24 0.08 - 72 0 0 8 27 52 5 25 16.0 73 70 -58 8 32 4 8 23 40 8 34 14 8 21 30 0.08 - 71 0 0 8 33 46 5 25 4.8 74 69 -57 8 37 57 8 29 34 8 40 7 8 27 24 0.07 - 70 0 0 8 39 26 5 24 53.6 75 68 -57 8 43 38 8 35 14 8 45 47 8 33 5 0.07 - 69 0 0 8 44 54 5 24 42.3 76 68 -57 8 49 5 8 40 42 8 51 15 8 38 32 0.07 - 68 0 0 8 50 8 5 24 30.9 77 66 -56 8 54 20 8 45 57 8 56 29 8 43 47 0.07 - 67 0 0 8 55 10 5 24 19.6 78 65 -56 8 59 21 8 50 58 9 1 31 8 48 49 0.07 - 66 0 0 8 59 58 5 24 8.2 79 64 -55 9 4 10 8 55 47 9 6 19 8 53 37 0.07 - 65 0 0 9 4 34 5 23 56.8 79 62 -55 9 8 45 9 0 22 9 10 54 8 58 13 0.07 - 64 0 0 9 8 56 5 23 45.3 80 60 -55 9 13 7 9 4 44 9 15 16 9 2 35 0.07 - 63 0 0 9 13 5 5 23 33.9 81 58 -54 9 17 16 9 8 53 9 19 25 9 6 44 0.07 - 62 0 0 9 17 0 5 23 22.4 82 55 -54 9 21 11 9 12 49 9 23 21 9 10 40 0.07 - 61 0 0 9 20 42 5 23 10.9 83 51 -53 9 24 54 9 16 31 9 27 3 9 14 22 0.07 - 60 0 0 9 24 11 5 22 59.4 83 46 -53 9 28 22 9 20 0 9 30 32 9 17 51 0.07 - 59 0 0 9 27 27 5 22 47.8 84 40 -52 9 31 38 9 23 16 9 33 47 9 21 7 0.07 - 58 0 0 9 30 29 5 22 36.3 85 33 -51 9 34 40 9 26 18 9 36 49 9 24 9 0.07 - 57 0 0 9 33 17 5 22 24.8 85 24 -51 9 37 28 9 29 6 9 39 37 9 26 57 0.08 - 56 0 0 9 35 52 5 22 13.2 86 13 -50 9 40 3 9 31 42 9 42 12 9 29 32 0.08 - 55 0 0 9 38 14 5 22 1.7 86 1 -50 9 42 25 9 34 3 9 44 34 9 31 54 0.08 - 54 0 0 9 40 22 5 21 50.1 86 349 -49 9 44 33 9 36 11 9 46 42 9 34 2 0.08 - 53 0 0 9 42 16 5 21 38.6 85 337 -49 9 46 27 9 38 5 9 48 36 9 35 56 0.08 - 52 0 0 9 43 57 5 21 27.1 85 327 -48 9 48 8 9 39 46 9 50 17 9 37 37 0.07 - 51 0 0 9 45 24 5 21 15.5 84 319 -47 9 49 35 9 41 13 9 51 44 9 39 4 0.07 - 50 0 0 9 46 38 5 21 4.0 84 312 -47 9 50 48 9 42 27 9 52 57 9 40 18 0.07 - 49 0 0 9 47 38 5 20 52.5 83 307 -46 9 51 48 9 43 27 9 53 57 9 41 18 0.07 - 48 0 0 9 48 24 5 20 41.1 82 303 -45 9 52 34 9 44 13 9 54 43 9 42 4 0.07 - 47 0 0 9 48 56 5 20 29.6 82 300 -45 9 53 7 9 44 46 9 55 16 9 42 36 0.07 - 46 0 0 9 49 15 5 20 18.2 81 297 -44 9 53 26 9 45 4 9 55 35 9 42 55 0.07 - 45 0 0 9 49 20 5 20 6.8 80 295 -43 9 53 31 9 45 9 9 55 40 9 43 0 0.07 - 44 0 0 9 49 11 5 19 55.4 79 293 -43 9 53 22 9 45 1 9 55 31 9 42 52 0.07 - 43 0 0 9 48 49 5 19 44.1 78 291 -42 9 53 0 9 44 38 9 55 9 9 42 29 0.07 - 42 0 0 9 48 13 5 19 32.8 77 290 -41 9 52 24 9 44 2 9 54 33 9 41 53 0.07 - 41 0 0 9 47 23 5 19 21.5 76 289 -41 9 51 34 9 43 13 9 53 43 9 41 4 0.07 - 40 0 0 9 46 20 5 19 10.2 75 288 -40 9 50 31 9 42 9 9 52 40 9 40 0 0.07 - 39 0 0 9 45 3 5 18 59.1 75 287 -39 9 49 13 9 40 52 9 51 22 9 38 43 0.07 - 38 0 0 9 43 32 5 18 47.9 74 286 -39 9 47 43 9 39 21 9 49 52 9 37 12 0.07 - 37 0 0 9 41 47 5 18 36.8 73 286 -38 9 45 58 9 37 37 9 48 7 9 35 27 0.07 - 36 0 0 9 39 49 5 18 25.8 72 285 -37 9 44 0 9 35 38 9 46 9 9 33 29 0.07 - 35 0 0 9 37 37 5 18 14.8 71 285 -37 9 41 48 9 33 26 9 43 57 9 31 17 0.07 - 34 0 0 9 35 12 5 18 3.8 70 284 -36 9 39 22 9 31 1 9 41 32 9 28 52 0.07 - 33 0 0 9 32 32 5 17 52.9 69 284 -35 9 36 43 9 28 21 9 38 52 9 26 12 0.07 - 32 0 0 9 29 40 5 17 42.1 68 284 -34 9 33 51 9 25 29 9 36 0 9 23 19 0.07 - 31 0 0 9 26 33 5 17 31.3 67 283 -34 9 30 44 9 22 22 9 32 53 9 20 13 0.08 - 30 0 0 9 23 13 5 17 20.6 66 283 -33 9 27 24 9 19 2 9 29 33 9 16 53 0.08 - 29 0 0 9 19 40 5 17 10.0 65 283 -32 9 23 51 9 15 28 9 26 0 9 13 19 0.08 - 28 0 0 9 15 53 5 16 59.5 64 283 -31 9 20 4 9 11 41 9 22 13 9 9 32 0.08 - 27 0 0 9 11 52 5 16 49.0 64 283 -31 9 16 3 9 7 41 9 18 13 9 5 31 0.08 - 26 0 0 9 7 38 5 16 38.6 63 283 -30 9 11 49 9 3 27 9 13 59 9 1 17 0.08 - 25 0 0 9 3 11 5 16 28.2 62 282 -29 9 7 22 8 58 59 9 9 31 8 56 50 0.08 - 24 0 0 8 58 30 5 16 18.0 61 282 -28 9 2 41 8 54 18 9 4 51 8 52 9 0.08 - 23 0 0 8 53 36 5 16 7.8 60 282 -28 8 57 47 8 49 24 8 59 57 8 47 15 0.08 - 22 0 0 8 48 28 5 15 57.8 59 282 -27 8 52 40 8 44 17 8 54 50 8 42 7 0.08 - 21 0 0 8 43 8 5 15 47.8 58 282 -26 8 47 19 8 38 56 8 49 29 8 36 46 0.08 - 20 0 0 8 37 34 5 15 37.9 57 282 -25 8 41 46 8 33 22 8 43 55 8 31 12 0.08 - 19 0 0 8 31 47 5 15 28.1 56 282 -25 8 35 59 8 27 35 8 38 8 8 25 25 0.08 - 18 0 0 8 25 47 5 15 18.4 55 282 -24 8 29 59 8 21 35 8 32 8 8 19 25 0.08 - 17 0 0 8 19 34 5 15 8.8 54 282 -23 8 23 46 8 15 21 8 25 55 8 13 12 0.08 - 16 0 0 8 13 7 5 14 59.3 53 282 -22 8 17 20 8 8 55 8 19 29 8 6 45 0.08 - 15 0 0 8 6 28 5 14 49.9 52 282 -21 8 10 41 8 2 16 8 12 51 8 0 6 0.08 - 14 0 0 7 59 36 5 14 40.6 51 282 -21 8 3 49 7 55 24 8 5 59 7 53 14 0.08 - 13 0 0 7 52 32 5 14 31.5 50 282 -20 7 56 44 7 48 19 7 58 54 7 46 9 0.08 - 12 0 0 7 45 14 5 14 22.4 49 282 -19 7 49 27 7 41 2 7 51 37 7 38 52 0.08 - 11 0 0 7 37 44 5 14 13.5 48 282 -18 7 41 57 7 33 32 7 44 7 7 31 22 0.08 - 10 0 0 7 30 2 5 14 4.7 47 282 -18 7 34 15 7 25 49 7 36 25 7 23 39 0.08 - 9 0 0 7 22 7 5 13 56.0 46 282 -17 7 26 20 7 17 54 7 28 30 7 15 44 0.08 - 8 0 0 7 14 0 5 13 47.5 45 282 -16 7 18 13 7 9 46 7 20 23 7 7 36 0.08 - 7 0 0 7 5 40 5 13 39.0 45 282 -15 7 9 53 7 1 27 7 12 3 6 59 16 0.08 - 6 0 0 6 57 8 5 13 30.7 44 283 -14 7 1 21 6 52 55 7 3 32 6 50 44 0.08 - 5 0 0 6 48 24 5 13 22.6 43 283 -14 6 52 37 6 44 10 6 54 48 6 42 0 0.08 - 4 0 0 6 39 28 5 13 14.5 42 283 -13 6 43 42 6 35 14 6 45 52 6 33 4 0.08 - 3 0 0 6 30 20 5 13 6.7 41 283 -12 6 34 34 6 26 6 6 36 44 6 23 56 0.08 - 2 0 0 6 21 0 5 12 58.9 40 283 -11 6 25 14 6 16 47 6 27 25 6 14 36 0.08 - 1 0 0 6 11 29 5 12 51.3 39 283 -10 6 15 43 6 7 15 6 17 54 6 5 4 0.08 0 0 0 6 1 46 5 12 43.9 38 283 -9 6 6 0 5 57 32 6 8 11 5 55 21 0.08 1 0 0 5 51 52 5 12 36.6 37 283 -9 5 56 6 5 47 38 5 58 17 5 45 27 0.08 2 0 0 5 41 46 5 12 29.4 36 283 -8 5 46 1 5 37 32 5 48 12 5 35 21 0.08 3 0 0 5 31 30 5 12 22.4 35 283 -7 5 35 44 5 27 15 5 37 55 5 25 4 0.08 4 0 0 5 21 2 5 12 15.6 34 283 -6 5 25 16 5 16 47 5 27 27 5 14 36 0.08 5 0 0 5 10 23 5 12 9.0 33 283 -5 5 14 38 5 6 8 5 16 49 5 3 57 0.08 6 0 0 4 59 33 5 12 2.5 32 283 -5 5 3 48 4 55 18 5 6 0 4 53 7 0.08 7 0 0 4 48 33 5 11 56.1 31 283 -4 4 52 48 4 44 18 4 55 0 4 42 7 0.08 8 0 0 4 37 23 5 11 50.0 30 283 -3 4 41 38 4 33 7 4 43 49 4 30 56 0.08 9 0 0 4 26 2 5 11 44.0 29 283 -2 4 30 17 4 21 46 4 32 29 4 19 35 0.08 10 0 0 4 14 31 5 11 38.2 28 283 -1 4 18 46 4 10 15 4 20 58 4 8 4 0.08 11 0 0 4 2 50 5 11 32.6 27 283 -1 4 7 5 3 58 34 4 9 17 3 56 22 0.08 12 0 0 3 50 59 5 11 27.1 26 283 0 3 55 15 3 46 43 3 57 26 3 44 31 0.08 13 0 0 3 38 58 5 11 21.8 25 284 1 3 43 14 3 34 42 3 45 26 3 32 31 0.08 14 0 0 3 26 48 5 11 16.8 24 284 2 3 31 4 3 22 32 3 33 16 3 20 21 0.08 15 0 0 3 14 29 5 11 11.9 23 284 3 3 18 45 3 10 13 3 20 57 3 8 1 0.08 16 0 0 3 2 1 5 11 7.2 22 284 4 3 6 17 2 57 45 3 8 29 2 55 33 0.08 17 0 0 2 49 24 5 11 2.7 21 284 4 2 53 40 2 45 7 2 55 52 2 42 55 0.08 18 0 0 2 36 38 5 10 58.4 20 284 5 2 40 54 2 32 21 2 43 6 2 30 9 0.08 19 0 0 2 23 43 5 10 54.2 19 284 6 2 28 0 2 19 27 2 30 12 2 17 14 0.08 20 0 0 2 10 41 5 10 50.3 18 284 7 2 14 57 2 6 24 2 17 10 2 4 12 0.08 21 0 0 1 57 30 5 10 46.6 17 284 8 2 1 47 1 53 13 2 3 59 1 51 1 0.08 22 0 0 1 44 11 5 10 43.1 16 284 9 1 48 28 1 39 54 1 50 41 1 37 42 0.08 23 0 0 1 30 45 5 10 39.8 15 284 9 1 35 2 1 26 28 1 37 15 1 24 16 0.08 24 0 0 1 17 12 5 10 36.7 14 284 10 1 21 29 1 12 54 1 23 41 1 10 42 0.08 25 0 0 1 3 31 5 10 33.8 13 284 11 1 7 48 0 59 14 1 10 1 0 57 1 0.08 26 0 0 0 49 43 5 10 31.2 12 284 12 0 54 1 0 45 26 0 56 13 0 43 13 0.08 27 0 0 0 35 49 5 10 28.7 11 284 13 0 40 6 0 31 31 0 42 19 0 29 19 0.08 28 0 0 0 21 48 5 10 26.5 10 284 13 0 26 6 0 17 30 0 28 18 0 15 18 0.08 29 0 0 0 7 41 5 10 24.5 9 284 14 0 11 59 0 3 23 0 14 12 0 1 11 0.08 30 0 0 - 0 6 32 5 10 22.6 8 284 15 - 0 2 14 - 0 10 50 - 0 0 1 - 0 13 2 0.08 31 0 0 - 0 20 50 5 10 21.1 7 284 16 - 0 16 32 - 0 25 8 - 0 14 19 - 0 27 21 0.08 32 0 0 - 0 35 14 5 10 19.7 6 284 17 - 0 30 56 - 0 39 32 - 0 28 43 - 0 41 45 0.08 33 0 0 - 0 49 43 5 10 18.6 5 284 18 - 0 45 25 - 0 54 1 - 0 43 12 - 0 56 14 0.08 34 0 0 - 1 4 17 5 10 17.6 4 284 18 - 0 59 59 - 1 8 35 - 0 57 46 - 1 10 48 0.07 35 0 0 - 1 18 55 5 10 16.9 3 284 19 - 1 14 37 - 1 23 14 - 1 12 24 - 1 25 27 0.07 36 0 0 - 1 33 38 5 10 16.5 2 284 20 - 1 29 20 - 1 37 57 - 1 27 7 - 1 40 10 0.06 37 0 0 - 1 48 25 5 10 16.2 1 284 21 - 1 44 7 - 1 52 43 - 1 41 53 - 1 54 56 0.01 Uncertainty in time = +/- 2 secs Prediction of 2023 Jul 15.2 Data for the target star ------------------------ * name: TYC 1099-01484-1 * constellation : Delphinus * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 20 32 02.9909 DE: +13 43 26.420 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 20 32 02.9911 DE: +13 43 26.424 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.100,0.100) * V mag [mag]: 10.2 * B mag [mag]: 10.5 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (950) Ahrensa asteroid class: approx. diameter [km]: 15 approx. diameter ["]: 0.012 distance from Earth [AU]: 1.73700 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): 0.014", 0.003", 91.762° remarks: * orbital elements for (950)Ahrensa : Mean anomaly = 113.8431529289 deg Arg. of pericenter = 348.5958996859 deg Long. of node = 181.7204931784 deg Inclination = 23.5019370408 deg Eccentricity = 0.1595376696 Semimajor axis = 2.3709962232 AU Perihelion dist = 1.9927330110 AU Mag: H = 11.24, G = 0.15 Epoch of elements : MJD 60495.22360067 TDT (2024 Jul 04.2236) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#602023Apr24,1.70,2024,7,4,5.366405,0.002335,-0.073647,-5.107352,-0.200152,-0.002109,-0.003175,0.000001,0.000000 -54.9088,13.8062,100.63,22.83,False TYC 1099-01484-1,20.53416414,13.7240053,10.51,10.19,10.02,0.0,0,,20.55362104,13.8061684,5.17,4.90,0,0,0 950,Ahrensa,15.35,15.361,1.7370,0,0,-1.775,-1.02,,1.0,0 0,113.7828,2024,7,4,348.5959,181.7205,23.5019,0.15954,2.37100,1.99273,11.24,5.0,0.15 1.257,0.0140,0.0030,92,0.0032,Known errors,0.84,0,-1,-1 20240704_1484-1,60140.18 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 04:24 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org