IOTA/IOTA-ES occultation update for (289) Nenetta / UCAC4 373-076882 event on 2023 Mar 14, 07:17 UT Visible from SE USA, Mexico Summary ------- On 2023 Mar 14 UT, the 34.9 km diameter asteroid (289) Nenetta will occult a 12.1 mag star in the constellation Scorpius for observers along a path across SE USA, Mexico. In the case of an occultation, the combined light of the asteroid and the star will drop by 3.35 mag to 15.36 mag (the magnitude of the asteroid) for at most 5.020 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: 97 * date and approx. time of event: 2023 Mar 14, 07:07 - 2023 Mar 14, 07:27 * geocentric midpoint of event [JD]: 2460017.80358279 * magnitude of target star: 12.06 * magnitude drop [mag]: 3.35 * estimated maximum duration [s]: 5.020 * Moon: 59 % sunlit, 12° distance * Sun: 108° distance * rough path description: SE USA, Mexico The occultation path -------------------- * approximate projected width [km]: 55 * 1 sigma uncertainty interval [path widths]: +/- 0.39 * 1 sigma uncertainty interval [seconds]: +/- 3.9 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.015, +/- 0.002) * 1 sigma uncertainty ellipse (major, minor, PA): (0.015", 0.001", 95°) * approx speed of asteroid's shadow [km/s]: 6.9498 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of UCAC4 373-076882 by 289 Nenetta on 2023 Mar 14 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 -115 0 0 28 26 52 7 7 30.4 1 108 -62 28 11 25 28 42 24 27 59 21 28 54 39 .... -114 0 0 28 10 26 7 7 30.9 2 109 -63 27 55 2 28 25 55 27 43 0 28 38 8 -0.73 -113 0 0 27 54 36 7 7 31.6 2 109 -64 27 39 14 28 10 3 27 27 15 28 22 14 -0.91 -112 0 0 27 39 23 7 7 32.8 3 110 -64 27 24 4 27 54 47 27 12 6 28 6 56 -0.99 -111 0 0 27 24 47 7 7 34.4 4 110 -65 27 9 31 27 40 9 26 57 35 27 52 16 -1.04 -110 0 0 27 10 49 7 7 36.3 5 110 -65 26 55 34 27 26 8 26 43 40 27 38 14 -1.07 -109 0 0 26 57 29 7 7 38.6 6 111 -65 26 42 16 27 12 46 26 30 24 27 24 49 -1.09 -108 0 0 26 44 46 7 7 41.2 7 111 -66 26 29 36 27 0 2 26 17 45 27 12 4 -1.11 -107 0 0 26 32 43 7 7 44.3 8 112 -66 26 17 34 26 47 56 26 5 45 26 59 57 -1.12 -106 0 0 26 21 18 7 7 47.7 9 112 -66 26 6 11 26 36 30 25 54 23 26 48 29 -1.13 -105 0 0 26 10 33 7 7 51.5 10 113 -66 25 55 28 26 25 43 25 43 41 26 37 41 -1.14 -104 0 0 26 0 27 7 7 55.7 11 113 -67 25 45 23 26 15 35 25 33 37 26 27 32 -1.15 -103 0 0 25 51 1 7 8 0.2 12 114 -67 25 35 59 26 6 8 25 24 14 26 18 3 -1.15 -102 0 0 25 42 15 7 8 5.1 12 114 -67 25 27 14 25 57 21 25 15 30 26 9 15 -1.16 -101 0 0 25 34 9 7 8 10.4 13 115 -67 25 19 9 25 49 14 25 7 26 26 1 8 -1.17 -100 0 0 25 26 44 7 8 16.0 14 115 -67 25 11 46 25 41 48 25 0 3 25 53 41 -1.17 - 99 0 0 25 20 1 7 8 22.0 15 116 -67 25 5 3 25 35 3 24 53 21 25 46 56 -1.17 - 98 0 0 25 13 58 7 8 28.4 16 116 -67 24 59 0 25 29 0 24 47 19 25 40 51 -1.18 - 97 0 0 25 8 36 7 8 35.1 17 117 -66 24 53 40 25 23 38 24 41 59 25 35 29 -1.18 - 96 0 0 25 3 57 7 8 42.1 18 117 -66 24 49 0 25 18 58 24 37 20 25 30 48 -1.19 - 95 0 0 24 59 59 7 8 49.5 19 118 -66 24 45 3 25 15 0 24 33 23 25 26 50 -1.19 - 94 0 0 24 56 43 7 8 57.3 19 119 -65 24 41 47 25 11 44 24 30 7 25 23 34 -1.19 - 93 0 0 24 54 9 7 9 5.4 20 119 -65 24 39 14 25 9 10 24 27 34 25 21 0 -1.19 - 92 0 0 24 52 18 7 9 13.8 21 120 -65 24 37 22 25 7 19 24 25 42 25 19 9 -1.20 - 91 0 0 24 51 10 7 9 22.6 22 120 -64 24 36 14 25 6 10 24 24 34 25 18 1 -1.20 - 90 0 0 24 50 44 7 9 31.6 23 121 -63 24 35 48 25 5 45 24 24 7 25 17 36 -1.20 - 89 0 0 24 51 1 7 9 41.1 24 122 -63 24 36 4 25 6 3 24 24 24 25 17 54 -1.20 - 88 0 0 24 52 2 7 9 50.8 24 122 -62 24 37 4 25 7 4 24 25 23 25 18 56 -1.21 - 87 0 0 24 53 46 7 10 0.8 25 123 -62 24 38 47 25 8 49 24 27 6 25 20 41 -1.21 - 86 0 0 24 56 13 7 10 11.2 26 124 -61 24 41 14 25 11 17 24 29 31 25 23 10 -1.21 - 85 0 0 24 59 24 7 10 21.8 27 124 -60 24 44 24 25 14 29 24 32 41 25 26 23 -1.21 - 84 0 0 25 3 19 7 10 32.8 27 125 -60 24 48 17 25 18 25 24 36 33 25 30 20 -1.21 - 83 0 0 25 7 57 7 10 44.0 28 126 -59 24 52 55 25 23 5 24 41 9 25 35 1 -1.22 - 82 0 0 25 13 20 7 10 55.5 29 127 -58 24 58 16 25 28 29 24 46 29 25 40 26 -1.22 - 81 0 0 25 19 27 7 11 7.3 30 128 -57 25 4 21 25 34 37 24 52 33 25 46 36 -1.22 - 80 0 0 25 26 18 7 11 19.4 30 128 -57 25 11 10 25 41 30 24 59 21 25 53 30 -1.22 - 79 0 0 25 33 53 7 11 31.8 31 129 -56 25 18 43 25 49 7 25 6 53 26 1 8 -1.22 - 78 0 0 25 42 12 7 11 44.4 32 130 -55 25 27 0 25 57 28 25 15 8 26 9 32 -1.22 - 77 0 0 25 51 16 7 11 57.2 32 131 -54 25 36 2 26 6 34 25 24 8 26 18 39 -1.22 - 76 0 0 26 1 4 7 12 10.3 33 132 -53 25 45 48 26 16 25 25 33 52 26 28 32 -1.22 - 75 0 0 26 11 36 7 12 23.6 33 133 -52 25 56 17 26 27 0 25 44 20 26 39 8 -1.23 - 74 0 0 26 22 52 7 12 37.2 34 134 -51 26 7 31 26 38 19 25 55 32 26 50 30 -1.23 - 73 0 0 26 34 53 7 12 51.0 34 135 -50 26 19 29 26 50 22 26 7 28 27 2 35 -1.23 - 72 0 0 26 47 38 7 13 5.0 35 136 -50 26 32 12 27 3 10 26 20 8 27 15 26 -1.23 - 71 0 0 27 1 7 7 13 19.1 35 137 -49 26 45 38 27 16 43 26 33 32 27 29 0 -1.23 - 70 0 0 27 15 21 7 13 33.5 36 138 -48 26 59 48 27 30 59 26 47 39 27 43 19 -1.23 - 69 0 0 27 30 18 7 13 48.1 36 139 -47 27 14 41 27 45 59 27 2 30 27 58 22 -1.23 - 68 0 0 27 45 58 7 14 2.8 37 140 -46 27 30 19 28 1 43 27 18 5 28 14 9 -1.23 - 67 0 0 28 2 23 7 14 17.7 37 142 -45 27 46 39 28 18 11 27 34 23 28 30 40 -1.23 - 66 0 0 28 19 30 7 14 32.8 37 143 -44 28 3 43 28 35 23 27 51 24 28 47 55 -1.23 - 65 0 0 28 37 21 7 14 47.9 38 144 -43 28 21 30 28 53 18 28 9 8 29 5 53 -1.23 - 64 0 0 28 55 55 7 15 3.3 38 145 -42 28 40 0 29 11 56 28 27 34 29 24 34 -1.23 - 63 0 0 29 15 11 7 15 18.7 38 147 -41 28 59 12 29 31 16 28 46 43 29 43 58 -1.23 - 62 0 0 29 35 10 7 15 34.2 39 148 -40 29 19 6 29 51 19 29 6 34 30 4 4 -1.23 - 61 0 0 29 55 50 7 15 49.9 39 149 -39 29 39 43 30 12 4 29 27 7 30 24 53 -1.23 - 60 0 0 30 17 12 7 16 5.6 39 150 -38 30 1 0 30 33 31 29 48 21 30 46 23 -1.23 - 59 0 0 30 39 15 7 16 21.3 39 152 -37 30 22 58 30 55 39 30 10 16 31 8 35 -1.23 - 58 0 0 31 1 59 7 16 37.2 39 153 -36 30 45 37 31 18 27 30 32 51 31 31 27 -1.23 - 57 0 0 31 25 23 7 16 53.1 39 154 -35 31 8 56 31 41 56 30 56 6 31 55 0 -1.23 - 56 0 0 31 49 26 7 17 9.0 39 156 -34 31 32 54 32 6 4 31 20 0 32 19 13 -1.23 - 55 0 0 32 14 8 7 17 24.9 39 157 -33 31 57 31 32 30 52 31 44 33 32 44 4 -1.23 - 54 0 0 32 39 29 7 17 40.8 39 159 -32 32 22 46 32 56 17 32 9 44 33 9 34 -1.22 - 53 0 0 33 5 27 7 17 56.7 39 160 -31 32 48 39 33 22 21 32 35 33 33 35 42 -1.22 - 52 0 0 33 32 1 7 18 12.5 39 161 -30 33 15 8 33 49 1 33 1 58 34 2 27 -1.22 - 51 0 0 33 59 12 7 18 28.4 39 163 -29 33 42 13 34 16 18 33 28 58 34 29 48 -1.22 - 50 0 0 34 26 58 7 18 44.1 39 164 -28 34 9 54 34 44 9 33 56 34 34 57 44 -1.22 - 49 0 0 34 55 18 7 18 59.8 38 165 -27 34 38 8 35 12 36 34 24 44 35 26 15 -1.22 - 48 0 0 35 24 12 7 19 15.4 38 167 -26 35 6 56 35 41 35 34 53 28 35 55 19 -1.22 - 47 0 0 35 53 38 7 19 30.9 38 168 -25 35 36 16 36 11 7 35 22 43 36 24 56 -1.22 - 46 0 0 36 23 35 7 19 46.3 37 170 -24 36 6 7 36 41 11 35 52 30 36 55 5 -1.22 - 45 0 0 36 54 3 7 20 1.6 37 171 -23 36 36 29 37 11 45 36 22 47 37 25 44 -1.22 - 44 0 0 37 25 0 7 20 16.7 37 172 -22 37 7 20 37 42 48 36 53 33 37 56 52 -1.22 - 43 0 0 37 56 24 7 20 31.6 36 174 -21 37 38 38 38 14 19 37 24 47 38 28 28 -1.22 - 42 0 0 38 28 16 7 20 46.4 36 175 -20 38 10 23 38 46 16 37 56 27 39 0 30 -1.21 - 41 0 0 39 0 33 7 21 0.9 35 176 -19 38 42 34 39 18 39 38 28 33 39 32 59 -1.21 - 40 0 0 39 33 13 7 21 15.3 35 177 -19 39 15 8 39 51 27 39 1 3 40 5 51 -1.21 - 39 0 0 40 6 17 7 21 29.5 34 179 -18 39 48 6 40 24 37 39 33 55 40 39 6 -1.21 - 38 0 0 40 39 42 7 21 43.4 34 180 -17 40 21 24 40 58 8 40 7 9 41 12 43 -1.21 - 37 0 0 41 13 26 7 21 57.1 33 181 -16 40 55 3 41 31 59 40 40 42 41 46 39 -1.21 - 36 0 0 41 47 29 7 22 10.5 33 182 -15 41 28 59 42 6 8 41 14 34 42 20 53 -1.21 - 35 0 0 42 21 49 7 22 23.7 32 184 -14 42 3 13 42 40 35 41 48 43 42 55 25 -1.21 - 34 0 0 42 56 24 7 22 36.5 31 185 -13 42 37 42 43 15 16 42 23 7 43 30 11 -1.21 - 33 0 0 43 31 13 7 22 49.1 31 186 -12 43 12 24 43 50 11 42 57 45 44 5 11 -1.21 - 32 0 0 44 6 14 7 23 1.4 30 187 -12 43 47 19 44 25 18 43 32 35 44 40 23 -1.21 - 31 0 0 44 41 25 7 23 13.4 29 188 -11 44 22 24 45 0 35 44 7 35 45 15 45 -1.21 - 30 0 0 45 16 44 7 23 25.1 29 189 -10 44 57 38 45 36 1 44 42 45 45 51 16 -1.20 - 29 0 0 45 52 11 7 23 36.4 28 190 -9 45 32 59 46 11 33 45 18 1 46 26 53 -1.20 - 28 0 0 46 27 43 7 23 47.4 27 191 -8 46 8 25 46 47 11 45 53 23 47 2 36 -1.20 - 27 0 0 47 3 18 7 23 58.1 27 192 -8 46 43 55 47 22 52 46 28 49 47 38 21 -1.20 - 26 0 0 47 38 56 7 24 8.4 26 193 -7 47 19 27 47 58 35 47 4 17 48 14 9 -1.20 - 25 0 0 48 14 34 7 24 18.4 25 194 -6 47 54 59 48 34 18 47 39 45 48 49 56 -1.20 - 24 0 0 48 50 10 7 24 28.1 24 196 -5 48 30 30 49 10 0 48 15 12 49 25 42 -1.20 - 23 0 0 49 25 42 7 24 37.3 24 197 -5 49 5 58 49 45 38 48 50 36 50 1 24 -1.20 - 22 0 0 50 1 10 7 24 46.3 23 198 -4 49 41 21 50 21 10 49 25 56 50 37 0 -1.20 - 21 0 0 50 36 31 7 24 54.8 22 198 -3 50 16 38 50 56 36 50 1 9 51 12 30 -1.20 - 20 0 0 51 11 44 7 25 3.0 21 199 -3 50 51 47 51 31 54 50 36 14 51 47 51 -1.20 - 19 0 0 51 46 48 7 25 10.9 21 200 -2 51 26 46 52 7 1 51 11 10 52 23 2 -1.20 - 18 0 0 52 21 39 7 25 18.4 20 201 -1 52 1 34 52 41 57 51 45 55 52 58 1 -1.20 - 17 0 0 52 56 18 7 25 25.5 19 202 -1 52 36 9 53 16 39 52 20 27 53 32 46 -1.20 - 16 0 0 53 30 42 7 25 32.3 18 203 0 53 10 29 53 51 7 52 54 46 54 7 16 -1.20 - 15 0 0 54 4 50 7 25 38.8 17 204 0 53 44 35 54 25 18 53 28 49 54 41 30 -1.20 - 14 0 0 54 38 41 7 25 44.9 17 205 1 54 18 23 54 59 12 54 2 35 55 15 27 -1.20 - 13 0 0 55 12 14 7 25 50.7 16 206 1 54 51 53 55 32 47 54 36 3 55 49 4 -1.20 - 12 0 0 55 45 26 7 25 56.1 15 207 2 55 25 3 56 6 1 55 9 11 56 22 20 -1.21 - 11 0 0 56 18 17 7 26 1.2 14 208 2 55 57 52 56 38 54 55 41 59 56 55 14 -1.21 - 10 0 0 56 50 46 7 26 6.0 14 209 3 56 30 19 57 11 25 56 14 25 57 27 46 -1.21 - 9 0 0 57 22 51 7 26 10.5 13 210 3 57 2 23 57 43 31 56 46 28 57 59 54 -1.21 - 8 0 0 57 54 31 7 26 14.7 12 211 4 57 34 3 58 15 13 57 18 7 58 31 36 -1.21 - 7 0 0 58 25 47 7 26 18.6 12 212 4 58 5 18 58 46 28 57 49 21 59 2 52 -1.21 - 6 0 0 58 56 36 7 26 22.1 11 212 5 58 36 6 59 17 18 58 20 10 59 33 42 -1.21 - 5 0 0 59 26 57 7 26 25.5 10 213 5 59 6 28 59 47 39 58 50 31 60 4 3 -1.21 - 4 0 0 59 56 51 7 26 28.5 9 214 5 59 36 22 60 17 32 59 20 26 60 33 56 -1.21 - 3 0 0 60 26 16 7 26 31.3 9 215 6 60 5 47 60 46 57 59 49 52 61 3 20 -1.21 - 2 0 0 60 55 11 7 26 33.8 8 216 6 60 34 44 61 15 51 60 18 50 61 32 14 -1.22 - 1 0 0 61 23 37 7 26 36.1 7 217 6 61 3 11 61 44 16 60 47 18 62 0 37 -1.22 0 0 0 61 51 33 7 26 38.1 7 218 7 61 31 8 62 12 9 61 15 16 62 28 29 -1.22 1 0 0 62 18 57 7 26 39.9 6 219 7 61 58 35 62 39 32 61 42 44 62 55 50 -1.22 2 0 0 62 45 51 7 26 41.6 5 220 7 62 25 31 63 6 23 62 9 42 63 22 40 -1.22 3 0 0 63 12 13 7 26 42.9 5 221 8 62 51 56 63 32 43 62 36 9 63 48 57 -1.23 4 0 0 63 38 4 7 26 44.2 4 221 8 63 17 49 63 58 31 63 2 5 64 14 43 -1.23 5 0 0 64 3 23 7 26 45.2 4 222 8 63 43 12 64 23 46 63 27 29 64 39 56 -1.24 6 0 0 64 28 10 7 26 46.0 3 223 8 64 8 2 64 48 30 63 52 22 65 4 37 -1.24 7 0 0 64 52 25 7 26 46.7 2 224 9 64 32 21 65 12 42 64 16 44 65 28 45 -1.25 8 0 0 65 16 9 7 26 47.2 2 225 9 64 56 8 65 36 21 64 40 34 65 52 21 -1.27 9 0 0 65 39 20 7 26 47.5 1 226 9 65 19 24 65 59 28 65 3 53 66 15 25 -1.30 10 0 0 66 2 0 7 26 47.7 1 227 9 65 42 9 66 22 4 65 26 41 66 37 57 -1.37 11 0 0 66 24 9 7 26 47.8 0 228 9 66 4 22 .. .. .. 65 48 57 .. .. .. -2.57 Uncertainty in time = +/- 4 secs Prediction of 2023 Feb 15.9 Data for the target star ------------------------ * name: UCAC4 373-076882 * constellation : Scorpius * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 16 15 18.5922 DE: -15 34 54.713 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 16 15 18.5925 DE: -15 34 54.713 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.100,0.100) * V mag [mag]: 12.1 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (289) Nenetta asteroid class: approx. diameter [km]: 35 approx. diameter ["]: 0.017 distance from Earth [AU]: 2.84990 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#57 date of fit: 2023 Feb 07 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): 0.015", 0.001", 95.214° remarks: * orbital elements for (289)Nenetta : Mean anomaly = 231.0181225997 deg Arg. of pericenter = 190.6380500787 deg Long. of node = 181.9279125494 deg Inclination = 6.6808828066 deg Eccentricity = 0.2018597146 Semimajor axis = 2.8760874050 AU Perihelion dist = 2.2955212222 AU Mag: H = 9.58, G = 0.15 Epoch of elements : MJD 60017.30375000 TDT (2023 Mar 14.3037) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#572023Feb07,5.02,2023,3,14,7.285987,-0.279268,0.721606,3.660030,1.411239,-0.005578,0.000807,0.000000,0.000000 -36.7887,-15.6408,73.04,-2.60,False UCAC4 373-076882,16.25516450,-15.5818646,0.00,12.06,0.00,0.0,0,,16.27704929,-15.6408024,3.35,0.00,0,0,0 289,Nenetta,15.36,34.9,2.8499,0,0,0.782,4.36,,2.6,0 0,230.9567,2023,3,14,190.6381,181.9279,6.6809,0.20186,2.87609,2.29552,9.60,5.0,0.15 1.392,0.0147,0.0014,95,0.0066,Known errors,-1.00,-1,-1,-1 20230314_076882,59990.87 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Feb 15, 20:48 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org