IOTA/IOTA-ES occultation update for (916) America / TYC 5779-00698-1 event on 2024 Nov 11, 21:08 UT Visible from Summary ------- On 2024 Nov 11 UT, the 32.878274020402 km diameter asteroid (916) America will occult a 10.3 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 4.88 mag to 15.20 mag (the magnitude of the asteroid) for at most 1.500 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 Nov 11, 21:05 - 2024 Nov 11, 21:11 * geocentric midpoint of event [JD]: 2460626.38064625 * magnitude of target star: 10.33 * magnitude drop [mag]: 4.88 * estimated maximum duration [s]: 1.500 * Moon: 78 % sunlit, 39° distance * Sun: 86° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 58 * 1 sigma uncertainty interval [path widths]: +/- 0.17 * 1 sigma uncertainty interval [seconds]: +/- 1.3 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.021, +/- 0.014) * 1 sigma uncertainty ellipse (major, minor, PA): (0.025", 0.003", 57°) * approx speed of asteroid's shadow [km/s]: 21.9354 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 5779-00698-1 by 916 America on 2024 Nov 11 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 -134 0 0 .. .. .... .. .. .. .. .. .. 29 17 15 .. .. .. 29 11 44 .. .. .. .... -133 0 0 29 20 26 21 5 23.8 1 105 43 29 4 13 29 36 45 28 58 42 29 42 22 .... -132 0 0 29 8 6 21 5 24.0 2 105 43 28 51 56 29 24 23 28 46 27 29 29 58 -1.00 -131 0 0 28 56 33 21 5 24.3 3 106 43 28 40 26 29 12 47 28 34 57 29 18 21 -1.16 -130 0 0 28 45 46 21 5 24.7 4 106 43 28 29 42 29 1 57 28 24 14 29 7 31 -1.24 -129 0 0 28 35 46 21 5 25.3 4 107 43 28 19 44 28 51 55 28 14 17 28 57 28 -1.28 -128 0 0 28 26 33 21 5 25.9 5 107 42 28 10 33 28 42 39 28 5 7 28 48 11 -1.32 -127 0 0 28 18 7 21 5 26.7 6 108 42 28 2 9 28 34 11 27 56 43 28 39 42 -1.34 -126 0 0 28 10 27 21 5 27.7 7 108 42 27 54 31 28 26 30 27 49 6 28 32 0 -1.35 -125 0 0 28 3 34 21 5 28.7 8 109 42 27 47 40 28 19 35 27 42 15 28 25 5 -1.37 -124 0 0 27 57 29 21 5 29.9 9 109 42 27 41 36 28 13 28 27 36 12 28 18 58 -1.38 -123 0 0 27 52 11 21 5 31.2 10 110 42 27 36 19 28 8 9 27 30 55 28 13 38 -1.39 -122 0 0 27 47 40 21 5 32.6 11 110 41 27 31 49 28 3 37 27 26 25 28 9 6 -1.39 -121 0 0 27 43 56 21 5 34.1 11 111 41 27 28 6 27 59 52 27 22 42 28 5 21 -1.40 -120 0 0 27 40 59 21 5 35.8 12 111 41 27 25 10 27 56 55 27 19 47 28 2 24 -1.41 -119 0 0 27 38 51 21 5 37.5 13 112 40 27 23 1 27 54 46 27 17 39 28 0 14 -1.41 -118 0 0 27 37 29 21 5 39.4 14 112 40 27 21 40 27 53 25 27 16 17 27 58 53 -1.42 -117 0 0 27 36 56 21 5 41.4 15 113 39 27 21 7 27 52 51 27 15 44 27 58 19 -1.42 -116 0 0 27 37 10 21 5 43.5 16 113 39 27 21 20 27 53 5 27 15 57 27 58 34 -1.42 -115 0 0 27 38 11 21 5 45.7 16 114 38 27 22 22 27 54 8 27 16 58 27 59 36 -1.43 -114 0 0 27 40 1 21 5 48.0 17 115 38 27 24 10 27 55 58 27 18 47 28 1 26 -1.43 -113 0 0 27 42 38 21 5 50.5 18 115 37 27 26 47 27 58 36 27 21 23 28 4 5 -1.43 -112 0 0 27 46 4 21 5 53.0 19 116 37 27 30 11 28 2 3 27 24 47 28 7 32 -1.43 -111 0 0 27 50 17 21 5 55.7 20 116 36 27 34 23 28 6 17 27 28 59 28 11 47 -1.44 -110 0 0 27 55 19 21 5 58.4 20 117 36 27 39 23 28 11 20 27 33 58 28 16 50 -1.44 -109 0 0 28 1 8 21 6 1.3 21 118 35 27 45 11 28 17 12 27 39 46 28 22 42 -1.44 -108 0 0 28 7 46 21 6 4.3 22 118 34 27 51 47 28 23 51 27 46 21 28 29 23 -1.44 -107 0 0 28 15 12 21 6 7.3 23 119 34 27 59 11 28 31 19 27 53 44 28 36 51 -1.44 -106 0 0 28 23 26 21 6 10.5 23 120 33 28 7 23 28 39 36 28 1 55 28 45 9 -1.45 -105 0 0 28 32 28 21 6 13.7 24 120 32 28 16 23 28 48 41 28 10 54 28 54 15 -1.45 -104 0 0 28 42 19 21 6 17.1 25 121 32 28 26 11 28 58 35 28 20 41 29 4 10 -1.45 -103 0 0 28 52 58 21 6 20.5 25 122 31 28 36 47 29 9 17 28 31 16 29 14 53 -1.45 -102 0 0 29 4 26 21 6 24.1 26 123 30 28 48 11 29 20 48 28 42 40 29 26 25 -1.45 -101 0 0 29 16 42 21 6 27.7 27 124 30 29 0 24 29 33 7 28 54 51 29 38 46 -1.45 -100 0 0 29 29 46 21 6 31.4 27 124 29 29 13 25 29 46 15 29 7 51 29 51 55 -1.45 - 99 0 0 29 43 39 21 6 35.2 28 125 28 29 27 13 30 0 12 29 21 38 30 5 53 -1.45 - 98 0 0 29 58 20 21 6 39.0 28 126 27 29 41 50 30 14 57 29 36 14 30 20 40 -1.46 - 97 0 0 30 13 49 21 6 43.0 29 127 26 29 57 15 30 30 31 29 51 37 30 36 15 -1.46 - 96 0 0 30 30 7 21 6 47.0 29 128 26 30 13 28 30 46 53 30 7 49 30 52 39 -1.46 - 95 0 0 30 47 13 21 6 51.1 30 129 25 30 30 29 31 4 4 30 24 48 31 9 51 -1.46 - 94 0 0 31 5 7 21 6 55.3 30 130 24 30 48 18 31 22 3 30 42 35 31 27 52 -1.46 - 93 0 0 31 23 49 21 6 59.5 31 131 23 31 6 55 31 40 50 31 1 10 31 46 41 -1.46 - 92 0 0 31 43 19 21 7 3.8 31 132 22 31 26 19 32 0 26 31 20 32 32 6 19 -1.46 - 91 0 0 32 3 36 21 7 8.2 32 133 21 31 46 31 32 20 50 31 40 42 32 26 45 -1.46 - 90 0 0 32 24 42 21 7 12.6 32 134 20 32 7 30 32 42 1 32 1 40 32 47 59 -1.46 - 89 0 0 32 46 35 21 7 17.1 32 135 19 32 29 17 33 4 1 32 23 24 33 10 0 -1.46 - 88 0 0 33 9 15 21 7 21.7 33 136 18 32 51 51 33 26 48 32 45 56 33 32 50 -1.46 - 87 0 0 33 32 42 21 7 26.2 33 137 18 33 15 11 33 50 22 33 9 14 33 56 26 -1.46 - 86 0 0 33 56 56 21 7 30.9 33 139 17 33 39 18 34 14 44 33 33 18 34 20 50 -1.46 - 85 0 0 34 21 57 21 7 35.5 34 140 16 34 4 11 34 39 52 33 58 9 34 46 1 -1.46 - 84 0 0 34 47 44 21 7 40.3 34 141 15 34 29 51 35 5 47 34 23 46 35 11 59 -1.46 - 83 0 0 35 14 17 21 7 45.0 34 142 14 34 56 15 35 32 28 34 50 8 35 38 43 -1.46 - 82 0 0 35 41 35 21 7 49.8 34 143 13 35 23 26 35 59 55 35 17 16 36 6 13 -1.46 - 81 0 0 36 9 39 21 7 54.6 34 145 12 35 51 21 36 28 7 35 45 8 36 34 28 -1.46 - 80 0 0 36 38 27 21 7 59.4 34 146 11 36 20 0 36 57 5 36 13 44 37 3 29 -1.46 - 79 0 0 37 8 0 21 8 4.2 34 147 10 36 49 23 37 26 46 36 43 4 37 33 14 -1.46 - 78 0 0 37 38 16 21 8 9.1 34 148 9 37 19 30 37 57 12 37 13 8 38 3 43 -1.47 - 77 0 0 38 9 15 21 8 13.9 34 150 8 37 50 19 38 28 21 37 43 54 38 34 55 -1.47 - 76 0 0 38 40 56 21 8 18.8 34 151 7 38 21 51 39 0 13 38 15 22 39 6 51 -1.47 - 75 0 0 39 13 19 21 8 23.6 34 152 6 38 54 4 39 32 47 38 47 31 39 39 28 -1.47 - 74 0 0 39 46 23 21 8 28.5 34 154 5 39 26 57 40 6 2 39 20 21 40 12 47 -1.47 - 73 0 0 40 20 7 21 8 33.3 34 155 4 40 0 30 40 39 57 39 53 50 40 46 46 -1.47 - 72 0 0 40 54 31 21 8 38.1 34 156 3 40 34 42 41 14 32 40 27 59 41 21 25 -1.47 - 71 0 0 41 29 32 21 8 42.9 33 157 2 41 9 32 41 49 45 41 2 45 41 56 43 -1.47 - 70 0 0 42 5 11 21 8 47.7 33 159 1 41 44 59 42 25 37 41 38 8 42 32 39 -1.47 - 69 0 0 42 41 26 21 8 52.4 33 160 1 42 21 2 43 2 5 42 14 7 43 9 11 -1.47 - 68 0 0 43 18 17 21 8 57.1 32 161 0 42 57 40 43 39 8 42 50 41 43 46 19 -1.47 - 67 0 0 43 55 41 21 9 1.7 32 163 -1 43 34 52 44 16 45 43 27 48 44 24 1 -1.47 - 66 0 0 44 33 38 21 9 6.3 32 164 -2 44 12 35 44 54 56 44 5 27 45 2 16 -1.47 - 65 0 0 45 12 6 21 9 10.9 31 165 -3 44 50 50 45 33 38 44 43 38 45 41 3 -1.47 - 64 0 0 45 51 4 21 9 15.4 31 166 -4 45 29 35 46 12 50 45 22 18 46 20 20 -1.47 - 63 0 0 46 30 31 21 9 19.8 30 168 -5 46 8 47 46 52 31 46 1 26 47 0 6 -1.47 - 62 0 0 47 10 24 21 9 24.1 30 169 -6 46 48 26 47 32 39 46 41 0 47 40 20 -1.47 - 61 0 0 47 50 43 21 9 28.4 29 170 -7 47 28 30 48 13 13 47 20 59 48 20 58 -1.47 - 60 0 0 48 31 24 21 9 32.6 29 171 -8 48 8 57 48 54 10 48 1 21 49 2 1 -1.47 - 59 0 0 49 12 27 21 9 36.7 28 172 -8 48 49 45 49 35 28 48 42 4 49 43 25 -1.47 - 58 0 0 49 53 50 21 9 40.7 28 174 -9 49 30 53 50 17 7 49 23 7 50 25 9 -1.47 - 57 0 0 50 35 30 21 9 44.7 27 175 -10 50 12 18 50 59 3 50 4 27 51 7 11 -1.47 - 56 0 0 51 17 26 21 9 48.5 26 176 -11 50 53 58 51 41 15 50 46 2 51 49 28 -1.47 - 55 0 0 51 59 35 21 9 52.2 26 177 -12 51 35 52 52 23 40 51 27 50 52 32 0 -1.47 - 54 0 0 52 41 55 21 9 55.8 25 178 -12 52 17 56 53 6 17 52 9 49 53 14 42 -1.47 - 53 0 0 53 24 24 21 9 59.3 24 179 -13 53 0 9 53 49 3 52 51 57 53 57 34 -1.47 - 52 0 0 54 7 0 21 10 2.7 24 180 -14 53 42 29 54 31 55 53 34 12 54 40 32 -1.47 - 51 0 0 54 49 40 21 10 6.0 23 181 -15 54 24 53 55 14 51 54 16 30 55 23 34 -1.47 - 50 0 0 55 32 20 21 10 9.1 22 182 -15 55 7 18 55 57 49 54 58 50 56 6 37 -1.47 - 49 0 0 56 15 0 21 10 12.2 21 183 -16 55 49 42 56 40 45 55 41 9 56 49 40 -1.47 - 48 0 0 56 57 36 21 10 15.1 21 184 -17 56 32 3 57 23 38 56 23 25 57 32 38 -1.47 - 47 0 0 57 40 6 21 10 17.9 20 186 -17 57 14 17 58 6 24 57 5 34 58 15 30 -1.47 - 46 0 0 58 22 27 21 10 20.5 19 187 -18 57 56 23 58 49 1 57 47 35 58 58 12 -1.48 - 45 0 0 59 4 36 21 10 23.1 18 188 -18 58 38 17 59 31 25 58 29 24 59 40 42 -1.48 - 44 0 0 59 46 30 21 10 25.5 18 189 -19 59 19 57 60 13 35 59 10 59 60 22 58 -1.48 - 43 0 0 60 28 8 21 10 27.8 17 190 -20 60 1 20 60 55 27 59 52 18 61 4 55 -1.48 - 42 0 0 61 9 25 21 10 29.9 16 191 -20 60 42 24 61 36 59 60 33 17 61 46 32 -1.48 - 41 0 0 61 50 19 21 10 31.9 15 192 -21 61 23 5 62 18 7 61 13 54 62 27 45 -1.48 - 40 0 0 62 30 49 21 10 33.8 15 193 -21 62 3 22 62 58 50 61 54 7 63 8 32 -1.48 - 39 0 0 63 10 50 21 10 35.6 14 193 -21 62 43 12 63 39 4 62 33 54 63 48 51 -1.48 - 38 0 0 63 50 21 21 10 37.3 13 194 -22 63 22 33 64 18 46 63 13 10 64 28 38 -1.48 - 37 0 0 64 29 20 21 10 38.8 12 195 -22 64 1 21 64 57 55 63 51 55 65 7 50 -1.48 - 36 0 0 65 7 42 21 10 40.3 12 196 -23 64 39 34 65 36 28 64 30 6 65 46 26 -1.49 - 35 0 0 65 45 28 21 10 41.6 11 197 -23 65 17 12 66 14 22 65 7 40 66 24 23 -1.49 - 34 0 0 66 22 33 21 10 42.8 10 198 -23 65 54 10 66 51 35 65 44 37 67 1 40 -1.49 - 33 0 0 66 58 58 21 10 43.9 9 199 -23 66 30 28 67 28 6 66 20 53 67 38 13 -1.49 - 32 0 0 67 34 39 21 10 44.9 9 200 -24 67 6 4 68 3 52 66 56 27 68 14 1 -1.49 - 31 0 0 68 9 34 21 10 45.8 8 201 -24 67 40 56 68 38 52 67 31 18 68 49 2 -1.49 - 30 0 0 68 43 44 21 10 46.6 7 202 -24 68 15 3 69 13 4 68 5 24 69 23 15 -1.50 - 29 0 0 69 17 5 21 10 47.3 7 203 -24 68 48 23 69 46 27 68 38 43 69 56 39 -1.50 - 28 0 0 69 49 38 21 10 48.0 6 204 -25 69 20 56 70 19 0 69 11 16 70 29 12 -1.50 - 27 0 0 70 21 21 21 10 48.6 5 205 -25 69 52 39 70 50 42 69 43 0 71 0 54 -1.50 - 26 0 0 70 52 13 21 10 49.0 5 206 -25 70 23 34 71 21 32 70 13 55 71 31 43 -1.51 - 25 0 0 71 22 14 21 10 49.5 4 207 -25 70 53 39 71 51 30 70 44 1 72 1 39 -1.51 - 24 0 0 71 51 24 21 10 49.8 4 208 -25 71 22 53 72 20 35 71 13 17 72 30 42 -1.52 - 23 0 0 72 19 42 21 10 50.1 3 209 -25 71 51 16 72 48 47 71 41 42 72 58 52 -1.52 - 22 0 0 72 47 9 21 10 50.4 3 210 -25 72 18 50 73 16 6 72 9 17 73 26 9 -1.53 - 21 0 0 73 13 43 21 10 50.5 2 211 -26 72 45 32 73 42 33 72 36 3 73 52 33 -1.55 - 20 0 0 73 39 27 21 10 50.7 2 212 -26 73 11 25 74 8 7 73 1 58 74 18 4 -1.57 - 19 0 0 74 4 21 21 10 50.8 1 213 -26 73 36 28 74 32 50 73 27 4 74 42 43 -1.61 - 18 0 0 74 28 24 21 10 50.8 1 214 -26 74 0 42 74 56 42 73 51 22 75 6 31 -1.71 - 17 0 0 74 51 38 21 10 50.9 0 215 -26 74 24 7 .. .. .. 74 14 51 .. .. .. -3.08 - 16 0 0 .. .. .... .. .. .. .. .. .. .. .. .. .. .. .. 74 37 32 .. .. .. .... Uncertainty in time = +/- 1 secs Prediction of 2023 Jul 15.7 Data for the target star ------------------------ * name: TYC 5779-00698-1 * constellation : Aquarius * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 21 05 45.6444 DE: -12 31 53.629 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 21 05 45.6443 DE: -12 31 53.630 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.100) * V mag [mag]: 10.3 * B mag [mag]: 11.0 * Diameter [mas]: 0.10 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (916) America asteroid class: approx. diameter [km]: 33 approx. diameter ["]: 0.028 distance from Earth [AU]: 1.62320 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#46 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): 0.025", 0.003", 56.698° remarks: * orbital elements for (916)America : Mean anomaly = 345.8146779968 deg Arg. of pericenter = 41.7605019759 deg Long. of node = 329.7318355960 deg Inclination = 11.0943512805 deg Eccentricity = 0.2364998219 Semimajor axis = 2.3645909699 AU Perihelion dist = 1.8053656265 AU Mag: H = 11.46, G = 0.15 Epoch of elements : MJD 60625.88064617 TDT (2024 Nov 11.8806) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#462023Apr24,1.50,2024,11,11,21.135510,-0.354382,0.744390,11.180208,5.318904,0.004913,0.001523,0.000000,0.000000 -51.7527,-12.4327,-141.00,-17.73,False TYC 5779-00698-1,21.09601237,-12.5315636,11.00,10.33,9.97,0.1,0,,21.11859049,-12.4327016,4.88,4.80,0,0,0 916,America,15.20,32.996,1.6232,0,0,4.136,28.82,,1.8,0 0,345.5760,2024,11,11,41.7605,329.7318,11.0944,0.23650,2.36459,1.80537,11.46,5.0,0.15 1.171,0.0253,0.0033,57,0.0048,Known errors,0.95,0,-1,-1 20241111_0698-1,60140.69 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 16:38 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org