IOTA/IOTA-ES occultation update for (4085) Weir / TYC 5837-00288-1 event on 2024 Dec 12, 14:03 UT Visible from Summary ------- On 2024 Dec 12 UT, the 9.38264914518934 km diameter asteroid (4085) Weir will occult a 9.5 mag star in the constellation Aquarius for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 8.25 mag to 17.75 mag (the magnitude of the asteroid) for at most 0.560 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: 64 * date and approx. time of event: 2024 Dec 12, 13:57 - 2024 Dec 12, 14:09 * geocentric midpoint of event [JD]: 2460657.08575096 * magnitude of target star: 9.50 * magnitude drop [mag]: 8.25 * estimated maximum duration [s]: 0.560 * Moon: 90 % sunlit, 54° distance * Sun: 91° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 10 * 1 sigma uncertainty interval [path widths]: +/- 0.94 * 1 sigma uncertainty interval [seconds]: +/- 1.3 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.011, +/- 0.006) * 1 sigma uncertainty ellipse (major, minor, PA): (0.012", 0.002", 60°) * approx speed of asteroid's shadow [km/s]: 17.0139 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 5837-00288-1 by 4085 Weir on 2024 Dec 12 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 - 47 0 0 -57 44 23 13 57 20.3 0 118 53 -57 47 21 -57 41 24 -57 52 58 -57 35 48 .... - 46 0 0 -58 1 9 13 57 20.4 1 117 53 -58 4 7 -57 58 12 -58 9 41 -57 52 38 0.27 - 45 0 0 -58 17 17 13 57 20.4 1 116 53 -58 20 13 -58 14 21 -58 25 46 -58 8 49 0.23 - 44 0 0 -58 32 47 13 57 20.5 2 115 53 -58 35 42 -58 29 53 -58 41 13 -58 24 23 0.21 - 43 0 0 -58 47 41 13 57 20.7 2 115 53 -58 50 34 -58 44 47 -58 56 3 -58 39 19 0.20 - 42 0 0 -59 1 58 13 57 20.9 3 114 53 -59 4 50 -58 59 5 -59 10 17 -58 53 39 0.20 - 41 0 0 -59 15 40 13 57 21.1 4 113 53 -59 18 31 -59 12 48 -59 23 55 -59 7 24 0.19 - 40 0 0 -59 28 47 13 57 21.4 4 112 53 -59 31 38 -59 25 56 -59 37 0 -59 20 34 0.19 - 39 0 0 -59 41 21 13 57 21.6 5 111 53 -59 44 10 -59 38 31 -59 49 31 -59 33 11 0.19 - 38 0 0 -59 53 22 13 57 22.0 5 110 53 -59 56 11 -59 50 33 -60 1 29 -59 45 14 0.19 - 37 0 0 -60 4 51 13 57 22.3 6 109 53 -60 7 38 -60 2 3 -60 12 56 -59 56 46 0.19 - 36 0 0 -60 15 48 13 57 22.7 6 109 53 -60 18 35 -60 13 1 -60 23 51 -60 7 45 0.18 - 35 0 0 -60 26 14 13 57 23.1 7 108 53 -60 29 1 -60 23 28 -60 34 15 -60 18 14 0.18 - 34 0 0 -60 36 10 13 57 23.5 7 107 52 -60 38 56 -60 33 25 -60 44 9 -60 28 13 0.18 - 33 0 0 -60 45 37 13 57 24.0 8 106 52 -60 48 22 -60 42 52 -60 53 33 -60 37 41 0.18 - 32 0 0 -60 54 35 13 57 24.5 8 105 52 -60 57 19 -60 51 50 -61 2 28 -60 46 41 0.18 - 31 0 0 -61 3 3 13 57 25.0 9 104 52 -61 5 47 -61 0 20 -61 10 55 -60 55 11 0.18 - 30 0 0 -61 11 4 13 57 25.5 9 103 52 -61 13 47 -61 8 21 -61 18 54 -61 3 14 0.18 - 29 0 0 -61 18 37 13 57 26.1 10 102 52 -61 21 19 -61 15 55 -61 26 26 -61 10 49 0.18 - 28 0 0 -61 25 43 13 57 26.7 10 102 52 -61 28 25 -61 23 2 -61 33 30 -61 17 57 0.18 - 27 0 0 -61 32 22 13 57 27.3 11 101 51 -61 35 3 -61 29 41 -61 40 8 -61 24 37 0.18 - 26 0 0 -61 38 35 13 57 27.9 11 100 51 -61 41 16 -61 35 55 -61 46 19 -61 30 51 0.18 - 25 0 0 -61 44 22 13 57 28.6 12 99 51 -61 47 2 -61 41 42 -61 52 4 -61 36 39 0.18 - 24 0 0 -61 49 43 13 57 29.2 12 98 51 -61 52 22 -61 47 3 -61 57 24 -61 42 2 0.18 - 23 0 0 -61 54 38 13 57 29.9 13 97 51 -61 57 18 -61 51 59 -62 2 19 -61 46 58 0.18 - 22 0 0 -61 59 9 13 57 30.7 13 96 51 -62 1 48 -61 56 30 -62 6 48 -61 51 30 0.17 - 21 0 0 -62 3 14 13 57 31.4 14 95 50 -62 5 53 -62 0 35 -62 10 52 -61 55 36 0.17 - 20 0 0 -62 6 55 13 57 32.2 14 94 50 -62 9 33 -62 4 17 -62 14 32 -61 59 18 0.17 - 19 0 0 -62 10 11 13 57 33.0 15 94 50 -62 12 49 -62 7 33 -62 17 48 -62 2 35 0.17 - 18 0 0 -62 13 3 13 57 33.8 15 93 50 -62 15 41 -62 10 25 -62 20 39 -62 5 27 0.17 - 17 0 0 -62 15 31 13 57 34.6 16 92 50 -62 18 9 -62 12 54 -62 23 6 -62 7 56 0.17 - 16 0 0 -62 17 35 13 57 35.5 16 91 50 -62 20 12 -62 14 58 -62 25 10 -62 10 0 0.17 - 15 0 0 -62 19 15 13 57 36.3 17 90 49 -62 21 52 -62 16 38 -62 26 49 -62 11 41 0.17 - 14 0 0 -62 20 31 13 57 37.2 17 89 49 -62 23 8 -62 17 54 -62 28 5 -62 12 57 0.17 - 13 0 0 -62 21 24 13 57 38.2 18 88 49 -62 24 1 -62 18 47 -62 28 58 -62 13 50 0.17 - 12 0 0 -62 21 52 13 57 39.1 18 87 49 -62 24 29 -62 19 15 -62 29 26 -62 14 19 0.17 - 11 0 0 -62 21 58 13 57 40.1 18 86 48 -62 24 35 -62 19 20 -62 29 31 -62 14 24 0.17 - 10 0 0 -62 21 39 13 57 41.1 19 86 48 -62 24 16 -62 19 2 -62 29 13 -62 14 5 0.17 - 9 0 0 -62 20 57 13 57 42.1 19 85 48 -62 23 34 -62 18 20 -62 28 31 -62 13 23 0.17 - 8 0 0 -62 19 51 13 57 43.1 20 84 48 -62 22 28 -62 17 13 -62 27 25 -62 12 17 0.17 - 7 0 0 -62 18 21 13 57 44.2 20 83 48 -62 20 58 -62 15 44 -62 25 55 -62 10 46 0.17 - 6 0 0 -62 16 27 13 57 45.3 21 82 47 -62 19 5 -62 13 50 -62 24 2 -62 8 52 0.17 - 5 0 0 -62 14 9 13 57 46.4 21 81 47 -62 16 47 -62 11 32 -62 21 45 -62 6 34 0.17 - 4 0 0 -62 11 27 13 57 47.6 22 80 47 -62 14 5 -62 8 50 -62 19 4 -62 3 51 0.17 - 3 0 0 -62 8 21 13 57 48.8 22 79 47 -62 10 59 -62 5 43 -62 15 58 -62 0 44 0.17 - 2 0 0 -62 4 50 13 57 50.0 23 78 46 -62 7 29 -62 2 12 -62 12 28 -61 57 13 0.17 - 1 0 0 -62 0 55 13 57 51.2 23 77 46 -62 3 34 -61 58 16 -62 8 33 -61 53 16 0.17 0 0 0 -61 56 34 13 57 52.5 24 77 46 -61 59 13 -61 53 55 -62 4 14 -61 48 55 0.17 1 0 0 -61 51 49 13 57 53.8 24 76 46 -61 54 28 -61 49 9 -61 59 29 -61 44 8 0.17 2 0 0 -61 46 38 13 57 55.1 25 75 45 -61 49 17 -61 43 58 -61 54 19 -61 38 56 0.17 3 0 0 -61 41 0 13 57 56.5 25 74 45 -61 43 41 -61 38 20 -61 48 44 -61 33 18 0.17 4 0 0 -61 34 57 13 57 57.9 26 73 45 -61 37 38 -61 32 17 -61 42 42 -61 27 13 0.17 5 0 0 -61 28 28 13 57 59.3 26 72 44 -61 31 9 -61 25 46 -61 36 14 -61 20 42 0.17 6 0 0 -61 21 31 13 58 0.7 27 71 44 -61 24 13 -61 18 49 -61 29 18 -61 13 44 0.17 7 0 0 -61 14 7 13 58 2.2 27 70 44 -61 16 49 -61 11 25 -61 21 56 -61 6 18 0.17 8 0 0 -61 6 15 13 58 3.8 28 69 44 -61 8 58 -61 3 32 -61 14 6 -60 58 24 0.17 9 0 0 -60 57 55 13 58 5.4 28 68 43 -61 0 39 -60 55 12 -61 5 48 -60 50 2 0.17 10 0 0 -60 49 6 13 58 7.0 29 68 43 -60 51 51 -60 46 22 -60 57 1 -60 41 12 0.17 11 0 0 -60 39 48 13 58 8.6 29 67 43 -60 42 33 -60 37 3 -60 47 45 -60 31 51 0.17 12 0 0 -60 30 0 13 58 10.3 30 66 42 -60 32 46 -60 27 14 -60 37 59 -60 22 1 0.17 13 0 0 -60 19 41 13 58 12.1 30 65 42 -60 22 28 -60 16 55 -60 27 43 -60 11 40 0.17 14 0 0 -60 8 52 13 58 13.9 31 64 42 -60 11 39 -60 6 4 -60 16 55 -60 0 48 0.17 15 0 0 -59 57 30 13 58 15.7 31 63 41 -60 0 18 -59 54 42 -60 5 36 -59 49 24 0.17 16 0 0 -59 45 36 13 58 17.6 32 62 41 -59 48 25 -59 42 47 -59 53 45 -59 37 27 0.17 17 0 0 -59 33 8 13 58 19.5 32 61 40 -59 35 59 -59 30 18 -59 41 20 -59 24 57 0.16 18 0 0 -59 20 7 13 58 21.5 33 60 40 -59 22 58 -59 17 16 -59 28 21 -59 11 52 0.16 19 0 0 -59 6 30 13 58 23.6 33 59 40 -59 9 22 -59 3 38 -59 14 48 -58 58 13 0.16 20 0 0 -58 52 18 13 58 25.7 34 59 39 -58 55 11 -58 49 25 -59 0 39 -58 43 57 0.16 21 0 0 -58 37 29 13 58 27.9 35 58 39 -58 40 23 -58 34 34 -58 45 53 -58 29 5 0.16 22 0 0 -58 22 2 13 58 30.1 35 57 39 -58 24 58 -58 19 7 -58 30 29 -58 13 35 0.16 23 0 0 -58 5 57 13 58 32.4 36 56 38 -58 8 53 -58 3 0 -58 14 27 -57 57 26 0.16 24 0 0 -57 49 11 13 58 34.8 36 55 38 -57 52 9 -57 46 13 -57 57 46 -57 40 37 0.16 25 0 0 -57 31 45 13 58 37.2 37 54 37 -57 34 45 -57 28 46 -57 40 23 -57 23 8 0.16 26 0 0 -57 13 37 13 58 39.7 38 53 37 -57 16 38 -57 10 37 -57 22 19 -57 4 56 0.16 27 0 0 -56 54 46 13 58 42.3 38 52 36 -56 57 48 -56 51 44 -57 3 32 -56 46 1 0.16 28 0 0 -56 35 11 13 58 45.0 39 51 36 -56 38 14 -56 32 7 -56 44 0 -56 26 21 0.16 29 0 0 -56 14 49 13 58 47.7 39 50 35 -56 17 54 -56 11 44 -56 23 43 -56 5 55 0.16 30 0 0 -55 53 41 13 58 50.6 40 49 35 -55 56 47 -55 50 34 -56 2 39 -55 44 43 0.16 31 0 0 -55 31 44 13 58 53.5 41 48 34 -55 34 52 -55 28 36 -55 40 47 -55 22 41 0.16 32 0 0 -55 8 57 13 58 56.5 41 48 34 -55 12 7 -55 5 48 -55 18 5 -54 59 50 0.16 33 0 0 -54 45 19 13 58 59.6 42 47 33 -54 48 30 -54 42 8 -54 54 31 -54 36 7 0.16 34 0 0 -54 20 48 13 59 2.8 43 46 33 -54 24 0 -54 17 35 -54 30 5 -54 11 31 0.16 35 0 0 -53 55 22 13 59 6.2 44 45 32 -53 58 36 -53 52 7 -54 4 44 -53 46 0 0.16 36 0 0 -53 28 59 13 59 9.6 44 44 32 -53 32 16 -53 25 43 -53 38 27 -53 19 32 0.16 37 0 0 -53 1 39 13 59 13.1 45 43 31 -53 4 57 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42.7 80 294 -8 -19 12 31 -19 3 24 -19 21 7 -18 54 48 0.18 76 0 0 -17 47 5 14 3 53.6 79 285 -9 -17 51 39 -17 42 32 -18 0 17 -17 33 55 0.18 77 0 0 -16 25 30 14 4 4.6 79 277 -11 -16 30 4 -16 20 56 -16 38 42 -16 12 19 0.18 78 0 0 -15 3 18 14 4 15.6 78 270 -12 -15 7 52 -14 58 44 -15 16 30 -14 50 7 0.18 79 0 0 -13 40 38 14 4 26.6 77 264 -14 -13 45 12 -13 36 5 -13 53 50 -13 27 28 0.18 80 0 0 -12 17 38 14 4 37.6 75 258 -15 -12 22 12 -12 13 5 -12 30 49 -12 4 29 0.18 81 0 0 -10 54 26 14 4 48.6 74 254 -17 -10 58 59 -10 49 53 -11 7 34 -10 41 18 0.18 82 0 0 - 9 31 9 14 4 59.6 73 251 -18 - 9 35 41 - 9 26 37 - 9 44 16 - 9 18 3 0.18 83 0 0 - 8 7 56 14 5 10.5 71 248 -20 - 8 12 27 - 8 3 25 - 8 21 0 - 7 54 53 0.18 84 0 0 - 6 44 55 14 5 21.3 70 245 -22 - 6 49 25 - 6 40 25 - 6 57 56 - 6 31 55 0.18 85 0 0 - 5 22 14 14 5 31.9 68 243 -23 - 5 26 43 - 5 17 45 - 5 35 11 - 5 9 18 0.18 86 0 0 - 4 0 1 14 5 42.4 67 241 -25 - 4 4 28 - 3 55 33 - 4 12 54 - 3 47 8 0.18 87 0 0 - 2 38 22 14 5 52.8 65 240 -26 - 2 42 48 - 2 33 56 - 2 51 10 - 2 25 34 0.18 88 0 0 - 1 17 25 14 6 2.9 64 238 -28 - 1 21 49 - 1 13 1 - 1 30 8 - 1 4 42 0.18 89 0 0 0 2 44 14 6 12.9 62 237 -29 - 0 1 38 0 7 7 - 0 9 54 0 15 22 0.19 90 0 0 1 21 59 14 6 22.7 60 236 -31 1 17 38 1 26 19 1 9 26 1 34 31 0.19 91 0 0 2 40 13 14 6 32.2 59 235 -32 2 35 55 2 44 32 2 27 46 2 52 39 0.19 92 0 0 3 57 22 14 6 41.4 57 235 -34 3 53 6 4 1 39 3 45 2 4 9 43 0.19 93 0 0 5 13 22 14 6 50.4 56 234 -35 5 9 8 5 17 36 5 1 7 5 25 36 0.19 94 0 0 6 28 7 14 6 59.2 54 234 -37 6 23 55 6 32 19 6 15 59 6 40 14 0.19 95 0 0 7 41 34 14 7 7.7 53 233 -38 7 37 25 7 45 44 7 29 33 7 53 35 0.19 96 0 0 8 53 41 14 7 15.9 51 233 -40 8 49 33 8 57 48 8 41 46 9 5 34 0.19 97 0 0 10 4 23 14 7 23.8 49 233 -41 10 0 18 10 8 28 9 52 35 10 16 10 0.19 98 0 0 11 13 39 14 7 31.4 48 233 -42 11 9 37 11 17 42 11 1 59 11 25 19 0.19 99 0 0 12 21 28 14 7 38.8 47 233 -44 12 17 28 12 25 28 12 9 54 12 33 1 0.19 100 0 0 13 27 46 14 7 45.8 45 233 -45 13 23 49 13 31 44 13 16 20 13 39 12 0.19 101 0 0 14 32 35 14 7 52.6 44 233 -46 14 28 39 14 36 30 14 21 15 14 43 53 0.19 102 0 0 15 35 51 14 7 59.1 42 233 -47 15 31 59 15 39 44 15 24 39 15 47 3 0.19 103 0 0 16 37 36 14 8 5.4 41 233 -49 16 33 46 16 41 26 16 26 31 16 48 41 0.19 104 0 0 17 37 49 14 8 11.4 39 233 -50 17 34 1 17 41 37 17 26 50 17 48 47 0.19 105 0 0 18 36 30 14 8 17.1 38 233 -51 18 32 44 18 40 15 18 25 38 18 47 21 0.19 106 0 0 19 33 39 14 8 22.5 37 233 -52 19 29 56 19 37 22 19 22 54 19 44 23 0.19 107 0 0 20 29 17 14 8 27.7 35 233 -53 20 25 36 20 32 57 20 18 39 20 39 54 0.19 108 0 0 21 23 25 14 8 32.6 34 234 -55 21 19 46 21 27 3 21 12 53 21 33 55 0.19 109 0 0 22 16 3 14 8 37.3 33 234 -56 22 12 27 22 19 39 22 5 38 22 26 27 0.20 110 0 0 23 7 12 14 8 41.8 32 234 -57 23 3 39 23 10 46 22 56 54 23 17 30 0.20 111 0 0 23 56 55 14 8 46.0 30 235 -58 23 53 23 24 0 27 23 46 43 24 7 6 0.20 112 0 0 24 45 11 14 8 50.0 29 235 -59 24 41 42 24 48 41 24 35 6 24 55 17 0.20 113 0 0 25 32 3 14 8 53.8 28 235 -60 25 28 35 25 35 30 25 22 3 25 42 2 0.20 114 0 0 26 17 31 14 8 57.4 27 236 -61 26 14 6 26 20 56 26 7 37 26 27 24 0.20 115 0 0 27 1 37 14 9 0.8 26 236 -61 26 58 14 27 5 1 26 51 49 27 11 25 0.20 116 0 0 27 44 23 14 9 4.0 24 237 -62 27 41 2 27 47 45 27 34 41 27 54 5 0.20 117 0 0 28 25 50 14 9 7.0 23 237 -63 28 22 31 28 29 10 28 16 13 28 35 26 0.20 118 0 0 29 6 0 14 9 9.9 22 237 -64 29 2 42 29 9 17 28 56 28 29 15 31 0.20 119 0 0 29 44 53 14 9 12.5 21 238 -65 29 41 38 29 48 9 29 35 27 29 54 19 0.20 120 0 0 30 22 33 14 9 15.0 20 238 -66 30 19 19 30 25 47 30 13 12 30 31 53 0.20 121 0 0 30 59 0 14 9 17.4 19 239 -66 30 55 47 31 2 12 30 49 44 31 8 15 0.20 122 0 0 31 34 15 14 9 19.5 18 239 -67 31 31 5 31 37 26 31 25 4 31 43 26 0.20 123 0 0 32 8 21 14 9 21.6 17 240 -68 32 5 12 32 11 30 31 59 15 32 17 27 0.20 124 0 0 32 41 19 14 9 23.4 16 240 -68 32 38 12 32 44 27 32 32 17 32 50 21 0.20 125 0 0 33 13 10 14 9 25.2 15 241 -69 33 10 4 33 16 16 33 4 13 33 22 7 0.20 126 0 0 33 43 56 14 9 26.8 14 242 -69 33 40 52 33 47 1 33 35 3 33 52 49 0.20 127 0 0 34 13 38 14 9 28.3 13 242 -70 34 10 35 34 16 41 34 4 49 34 22 27 0.20 128 0 0 34 42 18 14 9 29.6 12 243 -70 34 39 17 34 45 20 34 33 33 34 51 3 0.20 129 0 0 35 9 57 14 9 30.9 11 243 -71 35 6 57 35 12 57 35 1 16 35 18 38 0.20 130 0 0 35 36 36 14 9 32.0 10 244 -71 35 33 37 35 39 35 35 27 59 35 45 13 0.20 131 0 0 36 2 17 14 9 33.0 9 244 -72 35 59 19 36 5 14 35 53 43 36 10 50 0.20 132 0 0 36 27 0 14 9 33.9 8 245 -72 36 24 4 36 29 57 36 18 30 36 35 30 0.21 133 0 0 36 50 48 14 9 34.7 7 246 -72 36 47 52 36 53 43 36 42 21 36 59 14 0.21 134 0 0 37 13 41 14 9 35.4 6 246 -72 37 10 46 37 16 35 37 5 17 37 22 4 0.21 135 0 0 37 35 40 14 9 36.0 6 247 -73 37 32 47 37 38 33 37 27 19 37 44 0 0.21 136 0 0 37 56 46 14 9 36.5 5 247 -73 37 53 54 37 59 38 37 48 29 38 5 3 0.22 137 0 0 38 17 1 14 9 36.9 4 248 -73 38 14 10 38 19 52 38 8 47 38 25 15 0.23 138 0 0 38 36 26 14 9 37.2 3 249 -73 38 33 36 38 39 16 38 28 14 38 44 37 0.24 139 0 0 38 55 1 14 9 37.5 2 249 -73 38 52 12 38 57 50 38 46 52 39 3 9 0.26 140 0 0 39 12 47 14 9 37.7 1 250 -73 39 9 59 39 15 36 39 4 41 39 20 53 0.31 141 0 0 39 29 46 14 9 37.7 0 250 -73 39 26 59 39 32 33 39 21 42 39 37 50 0.51 Uncertainty in time = +/- 1 secs Prediction of 2023 Jul 15.7 Data for the target star ------------------------ * name: TYC 5837-00288-1 * constellation : Aquarius * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 23 51 40.5881 DE: -14 49 42.928 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 23 51 40.5880 DE: -14 49 42.929 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.100) * V mag [mag]: 9.5 * B mag [mag]: 10.0 * Diameter [mas]: 0.10 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (4085) Weir asteroid class: approx. diameter [km]: 9 approx. diameter ["]: 0.005 distance from Earth [AU]: 2.67970 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#49 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", 0.002", 59.703° remarks: * orbital elements for (4085)Weir : Mean anomaly = 165.0868321255 deg Arg. of pericenter = 135.2169166499 deg Long. of node = 68.6522297813 deg Inclination = 14.2157841716 deg Eccentricity = 0.1070024009 Semimajor axis = 2.6056525253 AU Perihelion dist = 2.3268414491 AU Mag: H = 12.32, G = 0.15 Epoch of elements : MJD 60656.58575100 TDT (2024 Dec 12.5858) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#492023Apr24,0.56,2024,12,12,14.058023,0.131940,-0.107186,6.058300,7.450994,0.005411,0.002442,0.000000,0.000000 65.6069,-14.6911,-32.38,-23.14,False TYC 5837-00288-1,23.86127449,-14.8285911,10.01,9.50,9.22,0.1,0,,23.88272446,-14.6911470,8.26,8.08,0,0,0 4085,Weir,17.75,9.577,2.6797,0,0,1.371,24.46,,0.8,0 0,164.9496,2024,12,12,135.2169,68.6522,14.2158,0.10700,2.60565,2.32684,12.32,5.0,0.15 1.944,0.0123,0.0018,60,0.0046,Known errors,1.07,0,-1,-1 20241212_0288-1,60140.74 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 17:41 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org