IOTA/IOTA-ES occultation update for (4749) Ledzeppelin / UCAC4 316-214703 event on 2024 Nov 03, 11:05 UT Visible from Summary ------- On 2024 Nov 03 UT, the 14.3088111476386 km diameter asteroid (4749) Ledzeppelin will occult a 10.5 mag star in the constellation Sagittarius for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 7.39 mag to 17.87 mag (the magnitude of the asteroid) for at most 0.460 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: 95 * date and approx. time of event: 2024 Nov 03, 11:02 - 2024 Nov 03, 11:07 * geocentric midpoint of event [JD]: 2460617.96183083 * magnitude of target star: 10.48 * magnitude drop [mag]: 7.39 * estimated maximum duration [s]: 0.460 * Moon: 4 % sunlit, 37° distance * Sun: 59° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 18 * 1 sigma uncertainty interval [path widths]: +/- 0.44 * 1 sigma uncertainty interval [seconds]: +/- 1.1 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.014, +/- 0.002) * 1 sigma uncertainty ellipse (major, minor, PA): (0.014", 0.002", 96°) * approx speed of asteroid's shadow [km/s]: 31.7432 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of UCAC4 316-214703 by 4749 Ledzeppelin on 2024 Nov 3 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 - 35 0 0 -32 5 50 11 2 16.4 0 122 46 -32 11 31 -32 0 10 -32 16 32 -31 55 9 .... - 34 0 0 -32 38 10 11 2 16.5 1 122 46 -32 43 51 -32 32 30 -32 48 54 -32 27 29 0.58 - 33 0 0 -33 10 30 11 2 16.6 2 121 47 -33 16 12 -33 4 49 -33 21 15 -32 59 48 0.63 - 32 0 0 -33 42 49 11 2 16.8 3 120 48 -33 48 31 -33 37 7 -33 53 34 -33 32 5 0.65 - 31 0 0 -34 15 5 11 2 17.1 4 120 48 -34 20 48 -34 9 23 -34 25 52 -34 4 21 0.66 - 30 0 0 -34 47 18 11 2 17.5 5 119 49 -34 53 1 -34 41 36 -34 58 5 -34 36 33 0.67 - 29 0 0 -35 19 26 11 2 17.9 6 119 50 -35 25 10 -35 13 43 -35 30 14 -35 8 40 0.67 - 28 0 0 -35 51 29 11 2 18.4 7 118 50 -35 57 12 -35 45 46 -36 2 17 -35 40 42 0.67 - 27 0 0 -36 23 25 11 2 18.9 8 118 51 -36 29 9 -36 17 41 -36 34 14 -36 12 38 0.68 - 26 0 0 -36 55 13 11 2 19.5 9 117 51 -37 0 57 -36 49 29 -37 6 2 -36 44 25 0.68 - 25 0 0 -37 26 52 11 2 20.2 10 116 52 -37 32 37 -37 21 8 -37 37 42 -37 16 4 0.68 - 24 0 0 -37 58 22 11 2 21.0 11 116 52 -38 4 7 -37 52 38 -38 9 12 -37 47 34 0.68 - 23 0 0 -38 29 41 11 2 21.8 12 115 53 -38 35 26 -38 23 57 -38 40 31 -38 18 53 0.68 - 22 0 0 -39 0 49 11 2 22.6 13 114 53 -39 6 33 -38 55 5 -39 11 39 -38 50 0 0.68 - 21 0 0 -39 31 44 11 2 23.5 14 114 53 -39 37 28 -39 25 59 -39 42 34 -39 20 55 0.68 - 20 0 0 -40 2 25 11 2 24.5 15 113 54 -40 8 10 -39 56 41 -40 13 15 -39 51 37 0.68 - 19 0 0 -40 32 52 11 2 25.5 16 112 54 -40 38 37 -40 27 8 -40 43 42 -40 22 4 0.68 - 18 0 0 -41 3 4 11 2 26.6 16 112 54 -41 8 49 -40 57 21 -41 13 54 -40 52 16 0.68 - 17 0 0 -41 33 1 11 2 27.7 17 111 55 -41 38 45 -41 27 17 -41 43 50 -41 22 13 0.68 - 16 0 0 -42 2 40 11 2 28.9 18 110 55 -42 8 24 -41 56 56 -42 13 29 -41 51 53 0.68 - 15 0 0 -42 32 2 11 2 30.1 19 109 55 -42 37 46 -42 26 19 -42 42 50 -42 21 15 0.69 - 14 0 0 -43 1 6 11 2 31.4 20 109 55 -43 6 49 -42 55 23 -43 11 53 -42 50 20 0.69 - 13 0 0 -43 29 51 11 2 32.7 21 108 56 -43 35 34 -43 24 8 -43 40 38 -43 19 5 0.69 - 12 0 0 -43 58 16 11 2 34.0 22 107 56 -44 3 59 -43 52 34 -44 9 2 -43 47 31 0.69 - 11 0 0 -44 26 21 11 2 35.4 22 106 56 -44 32 3 -44 20 40 -44 37 7 -44 15 38 0.69 - 10 0 0 -44 54 6 11 2 36.8 23 106 56 -44 59 48 -44 48 25 -45 4 51 -44 43 23 0.69 - 9 0 0 -45 21 30 11 2 38.3 24 105 56 -45 27 11 -45 15 49 -45 32 13 -45 10 48 0.69 - 8 0 0 -45 48 31 11 2 39.8 25 104 56 -45 54 12 -45 42 51 -45 59 14 -45 37 51 0.69 - 7 0 0 -46 15 11 11 2 41.3 26 103 56 -46 20 51 -46 9 32 -46 25 52 -46 4 31 0.69 - 6 0 0 -46 41 28 11 2 42.8 26 102 56 -46 47 7 -46 35 49 -46 52 8 -46 30 50 0.69 - 5 0 0 -47 7 22 11 2 44.4 27 101 56 -47 13 1 -47 1 44 -47 18 1 -46 56 45 0.69 - 4 0 0 -47 32 53 11 2 45.9 28 100 56 -47 38 31 -47 27 16 -47 43 31 -47 22 18 0.69 - 3 0 0 -47 58 1 11 2 47.6 29 100 56 -48 3 38 -47 52 24 -48 8 36 -47 47 26 0.69 - 2 0 0 -48 22 44 11 2 49.2 29 99 55 -48 28 20 -48 17 8 -48 33 18 -48 12 11 0.69 - 1 0 0 -48 47 3 11 2 50.8 30 98 55 -48 52 39 -48 41 28 -48 57 36 -48 36 32 0.69 0 0 0 -49 10 58 11 2 52.5 31 97 55 -49 16 33 -49 5 24 -49 21 29 -49 0 29 0.69 1 0 0 -49 34 29 11 2 54.2 32 96 55 -49 40 2 -49 28 55 -49 44 58 -49 24 1 0.69 2 0 0 -49 57 34 11 2 55.9 32 95 55 -50 3 7 -49 52 2 -50 8 2 -49 47 8 0.69 3 0 0 -50 20 15 11 2 57.6 33 94 55 -50 25 47 -50 14 44 -50 30 41 -50 9 51 0.69 4 0 0 -50 42 31 11 2 59.4 34 93 54 -50 48 2 -50 37 1 -50 52 55 -50 32 8 0.69 5 0 0 -51 4 22 11 3 1.1 34 92 54 -51 9 52 -50 58 53 -51 14 45 -50 54 1 0.69 6 0 0 -51 25 48 11 3 2.8 35 91 54 -51 31 17 -51 20 19 -51 36 9 -51 15 29 0.69 7 0 0 -51 46 49 11 3 4.6 35 90 53 -51 52 17 -51 41 21 -51 57 8 -51 36 32 0.69 8 0 0 -52 7 25 11 3 6.4 36 89 53 -52 12 52 -52 1 58 -52 17 42 -51 57 9 0.69 9 0 0 -52 27 35 11 3 8.2 37 88 53 -52 33 1 -52 22 10 -52 37 50 -52 17 22 0.69 10 0 0 -52 47 21 11 3 9.9 37 87 53 -52 52 46 -52 41 57 -52 57 34 -52 37 10 0.69 11 0 0 -53 6 42 11 3 11.7 38 86 52 -53 12 6 -53 1 18 -53 16 53 -52 56 32 0.69 12 0 0 -53 25 38 11 3 13.5 38 84 52 -53 31 1 -53 20 15 -53 35 47 -53 15 30 0.69 13 0 0 -53 44 9 11 3 15.3 39 83 52 -53 49 31 -53 38 48 -53 54 16 -53 34 3 0.69 14 0 0 -54 2 15 11 3 17.1 40 82 51 -54 7 36 -53 56 55 -54 12 21 -53 52 12 0.69 15 0 0 -54 19 57 11 3 18.9 40 81 51 -54 25 17 -54 14 38 -54 30 0 -54 9 56 0.69 16 0 0 -54 37 15 11 3 20.7 41 80 50 -54 42 34 -54 31 57 -54 47 16 -54 27 15 0.69 17 0 0 -54 54 8 11 3 22.5 41 79 50 -54 59 26 -54 48 51 -55 4 7 -54 44 10 0.69 18 0 0 -55 10 37 11 3 24.3 42 78 50 -55 15 54 -55 5 21 -55 20 34 -55 0 42 0.69 19 0 0 -55 26 43 11 3 26.1 42 76 49 -55 31 58 -55 21 27 -55 36 38 -55 16 49 0.69 20 0 0 -55 42 24 11 3 27.9 43 75 49 -55 47 38 -55 37 10 -55 52 17 -55 32 32 0.69 21 0 0 -55 57 42 11 3 29.7 43 74 48 -56 2 55 -55 52 29 -56 7 33 -55 47 52 0.69 22 0 0 -56 12 36 11 3 31.5 44 73 48 -56 17 49 -56 7 24 -56 22 26 -56 2 49 0.69 23 0 0 -56 27 8 11 3 33.3 44 72 48 -56 32 19 -56 21 57 -56 36 55 -56 17 22 0.69 24 0 0 -56 41 16 11 3 35.1 44 70 47 -56 46 26 -56 36 6 -56 51 1 -56 31 32 0.69 25 0 0 -56 55 2 11 3 36.9 45 69 47 -57 0 11 -56 49 53 -57 4 45 -56 45 20 0.69 26 0 0 -57 8 25 11 3 38.7 45 68 46 -57 13 33 -57 3 17 -57 18 6 -56 58 44 0.69 27 0 0 -57 21 25 11 3 40.5 46 67 46 -57 26 33 -57 16 18 -57 31 5 -57 11 47 0.69 28 0 0 -57 34 4 11 3 42.3 46 65 46 -57 39 10 -57 28 58 -57 43 42 -57 24 27 0.69 29 0 0 -57 46 20 11 3 44.1 47 64 45 -57 51 26 -57 41 15 -57 55 56 -57 36 45 0.69 30 0 0 -57 58 15 11 3 45.8 47 63 45 -58 3 20 -57 53 11 -58 7 49 -57 48 42 0.69 31 0 0 -58 9 48 11 3 47.6 47 61 44 -58 14 52 -58 4 45 -58 19 21 -58 0 17 0.69 32 0 0 -58 21 0 11 3 49.4 48 60 44 -58 26 3 -58 15 58 -58 30 31 -58 11 31 0.69 33 0 0 -58 31 51 11 3 51.2 48 59 44 -58 36 53 -58 26 50 -58 41 20 -58 22 23 0.69 34 0 0 -58 42 21 11 3 52.9 48 57 43 -58 47 22 -58 37 21 -58 51 49 -58 32 55 0.69 35 0 0 -58 52 31 11 3 54.7 49 56 43 -58 57 31 -58 47 31 -59 1 57 -58 43 6 0.69 36 0 0 -59 2 20 11 3 56.4 49 55 42 -59 7 19 -58 57 21 -59 11 44 -58 52 56 0.69 37 0 0 -59 11 48 11 3 58.2 49 53 42 -59 16 47 -59 6 50 -59 21 11 -59 2 27 0.69 38 0 0 -59 20 57 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25 11 7 0.3 35 268 -12 -48 38 1 -48 26 49 -48 42 59 -48 21 53 0.70 139 0 0 -48 7 49 11 7 2.2 35 267 -13 -48 13 26 -48 2 13 -48 18 25 -47 57 16 0.70 140 0 0 -47 42 50 11 7 4.1 34 266 -13 -47 48 27 -47 37 12 -47 53 26 -47 32 14 0.70 141 0 0 -47 17 26 11 7 6.0 33 265 -14 -47 23 4 -47 11 48 -47 28 4 -47 6 49 0.70 142 0 0 -46 51 39 11 7 7.9 32 264 -15 -46 57 18 -46 46 0 -47 2 18 -46 41 1 0.70 143 0 0 -46 25 29 11 7 9.8 32 263 -16 -46 31 8 -46 19 49 -46 36 9 -46 14 49 0.70 144 0 0 -45 58 56 11 7 11.6 31 262 -17 -46 4 36 -45 53 16 -46 9 38 -45 48 15 0.70 145 0 0 -45 32 0 11 7 13.4 30 261 -17 -45 37 41 -45 26 20 -45 42 43 -45 21 19 0.70 146 0 0 -45 4 43 11 7 15.2 29 260 -18 -45 10 24 -44 59 2 -45 15 27 -44 54 0 0.70 147 0 0 -44 37 4 11 7 17.0 29 259 -19 -44 42 46 -44 31 22 -44 47 49 -44 26 20 0.70 148 0 0 -44 9 4 11 7 18.7 28 258 -20 -44 14 46 -44 3 22 -44 19 50 -43 58 19 0.70 149 0 0 -43 40 43 11 7 20.4 27 258 -21 -43 46 26 -43 35 1 -43 51 30 -43 29 58 0.71 150 0 0 -43 12 3 11 7 22.1 26 257 -22 -43 17 47 -43 6 20 -43 22 51 -43 1 17 0.71 151 0 0 -42 43 4 11 7 23.7 25 256 -22 -42 48 48 -42 37 21 -42 53 52 -42 32 17 0.71 152 0 0 -42 13 46 11 7 25.3 25 255 -23 -42 19 30 -42 8 2 -42 24 35 -42 2 59 0.71 153 0 0 -41 44 10 11 7 26.9 24 254 -24 -41 49 54 -41 38 26 -41 55 0 -41 33 22 0.71 154 0 0 -41 14 17 11 7 28.4 23 253 -25 -41 20 2 -41 8 33 -41 25 7 -41 3 29 0.71 155 0 0 -40 44 8 11 7 29.9 22 253 -26 -40 49 53 -40 38 24 -40 54 58 -40 33 20 0.71 156 0 0 -40 13 43 11 7 31.3 21 252 -27 -40 19 28 -40 7 59 -40 24 34 -40 2 55 0.71 157 0 0 -39 43 4 11 7 32.7 20 251 -28 -39 48 49 -39 37 19 -39 53 54 -39 32 15 0.71 158 0 0 -39 12 10 11 7 34.1 19 251 -28 -39 17 55 -39 6 26 -39 23 1 -39 1 22 0.72 159 0 0 -38 41 4 11 7 35.4 18 250 -29 -38 46 49 -38 35 20 -38 51 55 -38 30 15 0.72 160 0 0 -38 9 46 11 7 36.6 17 249 -30 -38 15 31 -38 4 2 -38 20 36 -37 58 57 0.72 161 0 0 -37 38 16 11 7 37.8 17 248 -31 -37 44 1 -37 32 32 -37 49 6 -37 27 28 0.72 162 0 0 -37 6 37 11 7 38.9 16 248 -32 -37 12 21 -37 0 53 -37 17 26 -36 55 49 0.72 163 0 0 -36 34 48 11 7 40.0 15 247 -33 -36 40 32 -36 29 4 -36 45 37 -36 24 0 0.73 164 0 0 -36 2 51 11 7 41.0 14 247 -34 -36 8 35 -35 57 8 -36 13 40 -35 52 4 0.73 165 0 0 -35 30 47 11 7 42.0 13 246 -34 -35 36 31 -35 25 4 -35 41 35 -35 20 0 0.73 166 0 0 -34 58 37 11 7 42.9 12 245 -35 -35 4 20 -34 52 54 -35 9 25 -34 47 51 0.74 167 0 0 -34 26 22 11 7 43.7 11 245 -36 -34 32 5 -34 20 40 -34 37 9 -34 15 37 0.74 168 0 0 -33 54 3 11 7 44.5 10 244 -37 -33 59 45 -33 48 21 -34 4 49 -33 43 19 0.75 169 0 0 -33 21 41 11 7 45.2 9 244 -38 -33 27 23 -33 16 0 -33 32 26 -33 10 58 0.75 170 0 0 -32 49 18 11 7 45.8 8 243 -39 -32 54 59 -32 43 37 -33 0 2 -32 38 35 0.76 171 0 0 -32 16 54 11 7 46.3 7 242 -40 -32 22 34 -32 11 13 -32 27 37 -32 6 12 0.77 172 0 0 -31 44 30 11 7 46.8 6 242 -40 -31 50 10 -31 38 50 -31 55 12 -31 33 50 0.79 173 0 0 -31 12 8 11 7 47.2 5 241 -41 -31 17 47 -31 6 28 -31 22 48 -31 1 29 0.81 174 0 0 -30 39 48 11 7 47.6 4 241 -42 -30 45 27 -30 34 10 -30 50 27 -30 29 10 0.84 175 0 0 -30 7 32 11 7 47.8 3 240 -43 -30 13 10 -30 1 54 -30 18 10 -29 56 56 0.89 176 0 0 -29 35 21 11 7 48.0 2 240 -44 -29 40 59 -29 29 44 -29 45 58 -29 24 46 1.00 177 0 0 -29 3 16 11 7 48.1 1 239 -44 -29 8 53 -28 57 40 -29 13 51 -28 52 42 1.40 Uncertainty in time = +/- 1 secs Prediction of 2023 Jul 15.7 Data for the target star ------------------------ * name: UCAC4 316-214703 * constellation : Sagittarius * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 18 46 06.0139 DE: -26 58 57.892 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 18 46 06.0138 DE: -26 58 57.892 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.100) * V mag [mag]: 10.5 * B mag [mag]: 11.0 * Diameter [mas]: 0.10 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (4749) Ledzeppelin asteroid class: approx. diameter [km]: 14 approx. diameter ["]: 0.006 distance from Earth [AU]: 3.32550 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#53 date of fit: 2023 Apr 25 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", 0.002", 96.345° remarks: * orbital elements for (4749)Ledzeppelin : Mean anomaly = 288.2609118886 deg Arg. of pericenter = 287.7530889263 deg Long. of node = 92.8911709912 deg Inclination = 10.7748604344 deg Eccentricity = 0.1010674784 Semimajor axis = 3.0096827957 AU Perihelion dist = 2.7055017446 AU Mag: H = 12.02, G = 0.15 Epoch of elements : MJD 60617.46183050 TDT (2024 Nov 03.4618) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#532023Apr25,0.46,2024,11,3,11.083940,0.018706,-0.562606,17.906435,0.607569,0.005072,0.000210,-0.000001,0.000000 72.4483,-26.9578,9.63,-15.29,False UCAC4 316-214703,18.76833723,-26.9827478,11.03,10.48,10.18,0.1,0,,18.79388018,-26.9577819,7.39,7.24,0,0,0 4749,Ledzeppelin,17.87,14.550,3.3255,0,0,3.542,1.61,,1.4,0 0,288.1737,2024,11,3,287.7531,92.8912,10.7749,0.10107,3.00968,2.70550,12.02,5.0,0.15 1.443,0.0140,0.0017,96,0.0027,Known errors,0.98,0,-1,-1 20241103_214703,60140.68 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 16:16 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org