IOTA/IOTA-ES occultation update for (3049) Kuzbass / UCAC4 337-165661 event on 2024 Feb 23, 01:06 UT Visible from Summary ------- On 2024 Feb 23 UT, the 19.8109675625592 km diameter asteroid (3049) Kuzbass will occult a 9.6 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 8.12 mag to 17.76 mag (the magnitude of the asteroid) for at most 0.550 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 Feb 23, 01:03 - 2024 Feb 23, 01:09 * geocentric midpoint of event [JD]: 2460363.54629617 * magnitude of target star: 9.64 * magnitude drop [mag]: 8.12 * estimated maximum duration [s]: 0.550 * Moon: 98 % sunlit, 142° distance * Sun: 55° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 20 * 1 sigma uncertainty interval [path widths]: +/- 0.25 * 1 sigma uncertainty interval [seconds]: +/- 1.2 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.018, +/- 0.002) * 1 sigma uncertainty ellipse (major, minor, PA): (0.018", 0.002", 89°) * approx speed of asteroid's shadow [km/s]: 36.2412 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of UCAC4 337-165661 by 3049 Kuzbass on 2024 Feb 23 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 24 0 0 3 49 45 1 3 45.6 1 113 -53 3 43 49 3 55 42 3 40 51 3 58 40 .... 25 0 0 3 24 39 1 3 45.6 2 113 -52 3 18 43 3 30 35 3 15 45 3 33 34 0.00 26 0 0 2 59 38 1 3 45.7 3 113 -51 2 53 42 3 5 34 2 50 44 3 8 32 -0.05 27 0 0 2 34 42 1 3 45.9 4 113 -50 2 28 47 2 40 38 2 25 49 2 43 36 -0.07 28 0 0 2 9 53 1 3 46.2 5 113 -49 2 3 57 2 15 48 2 0 59 2 18 46 -0.08 29 0 0 1 45 10 1 3 46.5 6 113 -48 1 39 15 1 51 5 1 36 17 1 54 3 -0.09 30 0 0 1 20 34 1 3 46.9 7 113 -47 1 14 39 1 26 29 1 11 42 1 29 27 -0.10 31 0 0 0 56 7 1 3 47.3 8 113 -46 0 50 12 1 2 1 0 47 14 1 4 59 -0.10 32 0 0 0 31 47 1 3 47.8 9 113 -45 0 25 53 0 37 42 0 22 56 0 40 39 -0.10 33 0 0 0 7 37 1 3 48.4 10 113 -44 0 1 44 0 13 31 - 0 1 14 0 16 29 -0.10 34 0 0 - 0 16 23 1 3 49.0 11 113 -43 - 0 22 17 - 0 10 29 - 0 25 14 - 0 7 32 -0.11 35 0 0 - 0 40 13 1 3 49.7 12 113 -41 - 0 46 6 - 0 34 20 - 0 49 3 - 0 31 23 -0.11 36 0 0 - 1 3 53 1 3 50.5 14 113 -40 - 1 9 45 - 0 58 0 - 1 12 42 - 0 55 3 -0.11 37 0 0 - 1 27 21 1 3 51.3 15 113 -39 - 1 33 13 - 1 21 28 - 1 36 10 - 1 18 31 -0.11 38 0 0 - 1 50 37 1 3 52.1 16 113 -38 - 1 56 29 - 1 44 45 - 1 59 25 - 1 41 48 -0.11 39 0 0 - 2 13 41 1 3 53.1 17 113 -37 - 2 19 32 - 2 7 49 - 2 22 29 - 2 4 53 -0.11 40 0 0 - 2 36 32 1 3 54.1 18 113 -36 - 2 42 23 - 2 30 40 - 2 45 19 - 2 27 44 -0.11 41 0 0 - 2 59 9 1 3 55.1 19 113 -35 - 3 5 0 - 2 53 18 - 3 7 56 - 2 50 22 -0.11 42 0 0 - 3 21 33 1 3 56.2 20 113 -34 - 3 27 24 - 3 15 43 - 3 30 19 - 3 12 47 -0.12 43 0 0 - 3 43 43 1 3 57.4 21 113 -33 - 3 49 32 - 3 37 53 - 3 52 28 - 3 34 57 -0.12 44 0 0 - 4 5 37 1 3 58.6 22 113 -32 - 4 11 27 - 3 59 48 - 4 14 22 - 3 56 52 -0.12 45 0 0 - 4 27 17 1 3 59.8 23 113 -31 - 4 33 6 - 4 21 27 - 4 36 1 - 4 18 32 -0.12 46 0 0 - 4 48 40 1 4 1.2 24 113 -30 - 4 54 29 - 4 42 52 - 4 57 24 - 4 39 57 -0.12 47 0 0 - 5 9 48 1 4 2.5 25 113 -29 - 5 15 36 - 5 4 0 - 5 18 31 - 5 1 5 -0.12 48 0 0 - 5 30 39 1 4 4.0 26 113 -28 - 5 36 27 - 5 24 51 - 5 39 21 - 5 21 57 -0.12 49 0 0 - 5 51 13 1 4 5.4 27 112 -27 - 5 57 0 - 5 45 26 - 5 59 54 - 5 42 32 -0.12 50 0 0 - 6 11 30 1 4 7.0 28 112 -26 - 6 17 17 - 6 5 44 - 6 20 11 - 6 2 50 -0.12 51 0 0 - 6 31 29 1 4 8.6 29 112 -24 - 6 37 16 - 6 25 43 - 6 40 9 - 6 22 50 -0.12 52 0 0 - 6 51 11 1 4 10.2 31 112 -23 - 6 56 56 - 6 45 25 - 6 59 50 - 6 42 32 -0.12 53 0 0 - 7 10 34 1 4 11.9 32 112 -22 - 7 16 19 - 7 4 48 - 7 19 12 - 7 1 55 -0.12 54 0 0 - 7 29 38 1 4 13.6 33 112 -21 - 7 35 22 - 7 23 53 - 7 38 15 - 7 21 0 -0.12 55 0 0 - 7 48 23 1 4 15.4 34 112 -20 - 7 54 7 - 7 42 39 - 7 57 0 - 7 39 46 -0.12 56 0 0 - 8 6 49 1 4 17.2 35 112 -19 - 8 12 32 - 8 1 5 - 8 15 25 - 7 58 13 -0.12 57 0 0 - 8 24 55 1 4 19.0 36 112 -18 - 8 30 38 - 8 19 12 - 8 33 30 - 8 16 20 -0.12 58 0 0 - 8 42 41 1 4 20.9 37 112 -17 - 8 48 24 - 8 36 58 - 8 51 16 - 8 34 7 -0.12 59 0 0 - 9 0 7 1 4 22.9 38 112 -16 - 9 5 49 - 8 54 25 - 9 8 41 - 8 51 33 -0.12 60 0 0 - 9 17 13 1 4 24.9 39 112 -15 - 9 22 54 - 9 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-0.13 135 0 0 -12 12 50 1 7 51.9 65 242 59 -12 18 26 -12 7 14 -12 21 14 -12 4 25 -0.13 136 0 0 -12 0 1 1 7 54.8 64 243 60 -12 5 38 -11 54 25 -12 8 27 -11 51 36 -0.13 137 0 0 -11 46 50 1 7 57.6 63 243 61 -11 52 27 -11 41 13 -11 55 16 -11 38 24 -0.13 138 0 0 -11 33 16 1 8 0.4 62 243 62 -11 38 54 -11 27 39 -11 41 43 -11 24 50 -0.13 139 0 0 -11 19 20 1 8 3.1 61 243 63 -11 24 58 -11 13 42 -11 27 47 -11 10 52 -0.13 140 0 0 -11 5 1 1 8 5.9 60 244 64 -11 10 39 -10 59 23 -11 13 29 -10 56 33 -0.13 141 0 0 -10 50 20 1 8 8.6 59 244 65 -10 55 59 -10 44 41 -10 58 49 -10 41 51 -0.13 142 0 0 -10 35 17 1 8 11.3 58 244 66 -10 40 56 -10 29 37 -10 43 46 -10 26 47 -0.13 143 0 0 -10 19 52 1 8 14.0 57 244 67 -10 25 32 -10 14 12 -10 28 22 -10 11 22 -0.13 144 0 0 -10 4 5 1 8 16.6 56 244 68 -10 9 46 - 9 58 25 -10 12 36 - 9 55 34 -0.13 145 0 0 - 9 47 57 1 8 19.2 55 244 69 - 9 53 38 - 9 42 16 - 9 56 29 - 9 39 25 -0.13 146 0 0 - 9 31 28 1 8 21.8 54 244 70 - 9 37 9 - 9 25 46 - 9 40 0 - 9 22 55 -0.13 147 0 0 - 9 14 37 1 8 24.4 53 245 71 - 9 20 19 - 9 8 55 - 9 23 10 - 9 6 4 -0.13 148 0 0 - 8 57 26 1 8 26.9 52 245 72 - 9 3 8 - 8 51 44 - 9 6 0 - 8 48 52 -0.13 149 0 0 - 8 39 54 1 8 29.4 51 245 73 - 8 45 37 - 8 34 11 - 8 48 29 - 8 31 20 -0.13 150 0 0 - 8 22 2 1 8 31.9 50 245 74 - 8 27 46 - 8 16 19 - 8 30 38 - 8 13 27 -0.13 151 0 0 - 8 3 50 1 8 34.4 49 245 75 - 8 9 34 - 7 58 6 - 8 12 26 - 7 55 14 -0.13 152 0 0 - 7 45 19 1 8 36.8 48 245 76 - 7 51 3 - 7 39 34 - 7 53 55 - 7 36 41 -0.13 153 0 0 - 7 26 27 1 8 39.2 46 245 77 - 7 32 12 - 7 20 42 - 7 35 5 - 7 17 49 -0.13 154 0 0 - 7 7 17 1 8 41.5 45 245 78 - 7 13 2 - 7 1 32 - 7 15 55 - 6 58 38 -0.13 155 0 0 - 6 47 48 1 8 43.8 44 245 78 - 6 53 34 - 6 42 2 - 6 56 27 - 6 39 8 -0.13 156 0 0 - 6 28 0 1 8 46.1 43 245 79 - 6 33 47 - 6 22 14 - 6 36 40 - 6 19 20 -0.13 157 0 0 - 6 7 55 1 8 48.3 42 245 80 - 6 13 41 - 6 2 8 - 6 16 35 - 5 59 14 -0.12 158 0 0 - 5 47 31 1 8 50.5 41 245 81 - 5 53 19 - 5 41 44 - 5 56 13 - 5 38 50 -0.12 159 0 0 - 5 26 50 1 8 52.6 40 245 82 - 5 32 38 - 5 21 3 - 5 35 33 - 5 18 8 -0.12 160 0 0 - 5 5 53 1 8 54.7 39 245 82 - 5 11 41 - 5 0 4 - 5 14 36 - 4 57 10 -0.12 161 0 0 - 4 44 38 1 8 56.8 38 245 83 - 4 50 27 - 4 38 49 - 4 53 22 - 4 35 54 -0.12 162 0 0 - 4 23 8 1 8 58.8 37 245 83 - 4 28 57 - 4 17 18 - 4 31 52 - 4 14 23 -0.12 163 0 0 - 4 1 21 1 9 0.8 36 245 83 - 4 7 11 - 3 55 32 - 4 10 7 - 3 52 36 -0.12 164 0 0 - 3 39 20 1 9 2.7 35 245 83 - 3 45 10 - 3 33 30 - 3 48 6 - 3 30 34 -0.12 165 0 0 - 3 17 4 1 9 4.6 34 245 83 - 3 22 54 - 3 11 13 - 3 25 50 - 3 8 17 -0.12 166 0 0 - 2 54 33 1 9 6.4 33 245 83 - 3 0 24 - 2 48 42 - 3 3 20 - 2 45 46 -0.12 167 0 0 - 2 31 48 1 9 8.2 32 245 82 - 2 37 40 - 2 25 57 - 2 40 36 - 2 23 0 -0.12 168 0 0 - 2 8 50 1 9 9.9 31 245 82 - 2 14 42 - 2 2 58 - 2 17 38 - 2 0 2 -0.12 169 0 0 - 1 45 39 1 9 11.5 30 245 81 - 1 51 31 - 1 39 47 - 1 54 28 - 1 36 50 -0.12 170 0 0 - 1 22 16 1 9 13.2 28 245 80 - 1 28 9 - 1 16 23 - 1 31 5 - 1 13 26 -0.12 171 0 0 - 0 58 41 1 9 14.7 27 245 80 - 1 4 34 - 0 52 48 - 1 7 31 - 0 49 50 -0.12 172 0 0 - 0 34 54 1 9 16.2 26 245 79 - 0 40 48 - 0 29 1 - 0 43 45 - 0 26 3 -0.12 173 0 0 - 0 10 57 1 9 17.7 25 245 78 - 0 16 51 - 0 5 3 - 0 19 48 - 0 2 6 -0.12 174 0 0 0 13 10 1 9 19.1 24 245 77 0 7 16 0 19 4 0 4 19 0 22 2 -0.12 175 0 0 0 37 27 1 9 20.4 23 245 76 0 31 33 0 43 22 0 28 35 0 46 20 -0.12 176 0 0 1 1 53 1 9 21.7 22 245 75 0 55 59 1 7 48 0 53 1 1 10 46 -0.12 177 0 0 1 26 28 1 9 23.0 21 245 74 1 20 33 1 32 23 1 17 35 1 35 21 -0.12 178 0 0 1 51 10 1 9 24.1 20 245 73 1 45 15 1 57 6 1 42 17 2 0 4 -0.12 179 0 0 2 16 0 1 9 25.2 19 245 72 2 10 4 2 21 55 2 7 6 2 24 54 -0.12 180 0 0 2 40 56 1 9 26.3 18 245 71 2 35 0 2 46 52 2 32 2 2 49 50 -0.12 -179 0 0 3 5 58 1 9 27.3 17 245 70 3 0 2 3 11 54 2 57 4 3 14 53 -0.12 -178 0 0 3 31 6 1 9 28.2 15 245 69 3 25 10 3 37 2 3 22 11 3 40 1 -0.12 -177 0 0 3 56 18 1 9 29.1 14 245 68 3 50 22 4 2 15 3 47 23 4 5 14 -0.12 -176 0 0 4 21 35 1 9 29.9 13 246 67 4 15 39 4 27 32 4 12 40 4 30 30 -0.12 -175 0 0 4 46 55 1 9 30.6 12 246 66 4 40 59 4 52 52 4 38 0 4 55 51 -0.12 -174 0 0 5 12 18 1 9 31.3 11 246 65 5 6 21 5 18 15 5 3 23 5 21 14 -0.12 -173 0 0 5 37 43 1 9 31.9 10 246 64 5 31 46 5 43 40 5 28 48 5 46 39 -0.12 -172 0 0 6 3 10 1 9 32.5 9 246 63 5 57 13 6 9 7 5 54 14 6 12 6 -0.12 -171 0 0 6 28 38 1 9 33.0 8 246 62 6 22 41 6 34 35 6 19 42 6 37 34 -0.11 -170 0 0 6 54 6 1 9 33.4 7 246 61 6 48 9 7 0 3 6 45 10 7 3 2 -0.11 -169 0 0 7 19 34 1 9 33.7 6 246 60 7 13 37 7 25 31 7 10 37 7 28 30 -0.11 -168 0 0 7 45 0 1 9 34.0 5 246 59 7 39 3 7 50 58 7 36 4 7 53 57 -0.11 -167 0 0 8 10 25 1 9 34.3 4 247 58 8 4 28 8 16 23 8 1 29 8 19 22 -0.10 -166 0 0 8 35 48 1 9 34.5 3 247 56 8 29 51 8 41 46 8 26 52 8 44 45 -0.09 -165 0 0 9 1 8 1 9 34.6 1 247 55 8 55 11 9 7 6 8 52 13 9 10 5 -0.07 -164 0 0 9 26 25 1 9 34.6 0 247 54 9 20 28 9 32 22 9 17 29 9 35 21 0.08 Uncertainty in time = +/- 1 secs Prediction of 2023 Jul 13.2 Data for the target star ------------------------ * name: UCAC4 337-165661 * constellation : Sagittarius * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 18 39 16.8511 DE: -22 38 12.195 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 18 39 16.8513 DE: -22 38 12.195 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.100) * V mag [mag]: 9.6 * B mag [mag]: 10.0 * Diameter [mas]: 0.10 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (3049) Kuzbass asteroid class: approx. diameter [km]: 20 approx. diameter ["]: 0.009 distance from Earth [AU]: 3.14410 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#56 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): 0.018", 0.002", 88.796° remarks: * orbital elements for (3049)Kuzbass : Mean anomaly = 359.4445269359 deg Arg. of pericenter = 167.3909875664 deg Long. of node = 94.9933059297 deg Inclination = 2.4984319775 deg Eccentricity = 0.1366632027 Semimajor axis = 3.1193589343 AU Perihelion dist = 2.6930573519 AU Mag: H = 12.21, G = 0.15 Epoch of elements : MJD 60363.04629617 TDT (2024 Feb 23.0463) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#562023Apr24,0.55,2024,2,23,1.111108,-0.007228,0.127517,20.427815,1.064689,-0.004736,-0.000306,-0.000001,0.000000 111.0769,-22.6162,166.70,-10.08,False UCAC4 337-165661,18.65468080,-22.6367208,9.95,9.64,9.47,0.1,0,,18.67867385,-22.6161964,8.12,7.84,0,0,0 3049,Kuzbass,17.76,20.039,3.1441,0,0,4.127,2.98,,1.6,0 0,359.2573,2024,2,22,167.3910,94.9933,2.4984,0.13666,3.11936,2.69306,12.21,5.0,0.15 1.251,0.0183,0.0021,89,0.0022,Known errors,0.85,0,-1,-1 20240223_165661,60138.18 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 13, 04:26 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org