IOTA/IOTA-ES occultation update for (224) Oceana / UCAC4 608-027143 event on 2023 Jan 22, 16:42 UT Visible from Russia, Europe Summary ------- On 2023 Jan 22 UT, the 59.5 km diameter asteroid (224) Oceana will occult a 12.1 mag star in the constellation Auriga for observers along a path across Russia, Europe. In the case of an occultation, the combined light of the asteroid and the star will drop by 1.32 mag to 13.00 mag (the magnitude of the asteroid) for at most 6.880 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: 2023 Jan 22, 16:31 - 2023 Jan 22, 16:52 * geocentric midpoint of event [JD]: 2459967.19602562 * magnitude of target star: 12.06 * magnitude drop [mag]: 1.32 * estimated maximum duration [s]: 6.880 * Moon: 1 % sunlit, 136° distance * Sun: 146° distance * rough path description: Russia, Europe Additional comments ------------------- RUWE high The occultation path -------------------- * approximate projected width [km]: 72 * 1 sigma uncertainty interval [path widths]: +/- 0.21 * 1 sigma uncertainty interval [seconds]: +/- 3.3 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.022, +/- 0.005) * 1 sigma uncertainty ellipse (major, minor, PA): (0.022", 0.004", 95°) * approx speed of asteroid's shadow [km/s]: 8.6461 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of UCAC4 608-027143 by 224 Oceana on 2023 Jan 22 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 - 25 0 0 15 58 17 16 52 23.8 1 57 33 16 21 25 15 35 16 16 31 2 15 25 46 .... - 24 0 0 16 36 34 16 52 23.4 2 57 32 16 59 49 16 13 26 17 9 30 16 3 53 -0.55 - 23 0 0 17 15 24 16 52 22.7 3 58 31 17 38 47 16 52 9 17 48 31 16 42 33 -0.60 - 22 0 0 17 54 47 16 52 21.6 4 58 30 18 18 18 17 31 24 18 28 5 17 21 45 -0.61 - 21 0 0 18 34 41 16 52 20.2 5 58 29 18 58 19 18 11 11 19 8 9 18 1 28 -0.62 - 20 0 0 19 15 5 16 52 18.3 6 59 27 19 38 51 18 51 27 19 48 44 18 41 42 -0.63 - 19 0 0 19 55 57 16 52 16.2 7 59 26 20 19 50 19 32 12 20 29 47 19 22 24 -0.63 - 18 0 0 20 37 17 16 52 13.6 9 59 25 21 1 17 20 13 24 21 11 17 20 3 33 -0.64 - 17 0 0 21 19 2 16 52 10.7 10 60 24 21 43 10 20 55 2 21 53 13 20 45 7 -0.64 - 16 0 0 22 1 12 16 52 7.5 11 60 23 22 25 27 21 37 4 22 35 33 21 27 7 -0.64 - 15 0 0 22 43 44 16 52 3.9 12 61 22 23 8 8 22 19 29 23 18 17 22 9 29 -0.64 - 14 0 0 23 26 38 16 51 59.9 13 61 20 23 51 9 23 2 16 24 1 21 22 52 13 -0.64 - 13 0 0 24 9 52 16 51 55.7 14 61 19 24 34 30 23 45 23 24 44 45 23 35 17 -0.64 - 12 0 0 24 53 24 16 51 51.0 15 62 18 25 18 10 24 28 48 25 28 28 24 18 39 -0.65 - 11 0 0 25 37 13 16 51 46.1 17 62 17 26 2 5 25 12 29 26 12 26 25 2 18 -0.65 - 10 0 0 26 21 16 16 51 40.8 18 63 16 26 46 16 25 56 26 26 56 40 25 46 11 -0.65 - 9 0 0 27 5 33 16 51 35.2 19 63 15 27 30 39 26 40 36 27 41 6 26 30 18 -0.65 - 8 0 0 27 50 1 16 51 29.3 20 64 14 28 15 14 27 24 57 28 25 44 27 14 37 -0.65 - 7 0 0 28 34 38 16 51 23.0 21 65 13 28 59 58 28 9 28 29 10 31 27 59 5 -0.65 - 6 0 0 29 19 23 16 51 16.5 22 65 11 29 44 49 28 54 7 29 55 25 28 43 41 -0.65 - 5 0 0 30 4 14 16 51 9.7 23 66 10 30 29 47 29 38 51 30 40 25 29 28 23 -0.65 - 4 0 0 30 49 9 16 51 2.7 24 66 9 31 14 48 30 23 41 31 25 29 30 13 10 -0.65 - 3 0 0 31 34 7 16 50 55.3 25 67 8 31 59 51 31 8 32 32 10 35 30 57 59 -0.65 - 2 0 0 32 19 4 16 50 47.7 26 68 7 32 44 55 31 53 24 32 55 40 31 42 49 -0.66 - 1 0 0 33 4 0 16 50 39.9 27 68 6 33 29 57 32 38 15 33 40 45 32 27 38 -0.66 0 0 0 33 48 53 16 50 31.8 28 69 5 34 14 55 33 23 3 34 25 45 33 12 23 -0.66 1 0 0 34 33 41 16 50 23.6 29 70 4 34 59 47 34 7 46 35 10 40 33 57 4 -0.66 2 0 0 35 18 22 16 50 15.1 30 71 3 35 44 33 34 52 21 35 55 27 34 41 38 -0.66 3 0 0 36 2 53 16 50 6.4 31 72 2 36 29 9 35 36 49 36 40 5 35 26 4 -0.66 4 0 0 36 47 14 16 49 57.5 32 72 1 37 13 34 36 21 6 37 24 32 36 10 19 -0.66 5 0 0 37 31 23 16 49 48.5 33 73 0 37 57 46 37 5 11 38 8 46 36 54 22 -0.66 6 0 0 38 15 17 16 49 39.3 34 74 -1 38 41 44 37 49 1 38 52 45 37 38 12 -0.66 7 0 0 38 58 55 16 49 30.0 35 75 -2 39 25 26 38 32 37 39 36 28 38 21 46 -0.66 8 0 0 39 42 16 16 49 20.5 36 76 -3 40 8 49 39 15 54 40 19 53 39 5 2 -0.67 9 0 0 40 25 17 16 49 11.0 37 77 -4 40 51 53 39 58 53 41 2 58 39 48 0 -0.67 10 0 0 41 7 58 16 49 1.3 38 78 -5 41 34 36 40 41 32 41 45 42 40 30 38 -0.67 11 0 0 41 50 16 16 48 51.5 39 79 -6 42 16 56 41 23 48 42 28 2 41 12 54 -0.67 12 0 0 42 32 10 16 48 41.7 39 80 -7 42 58 52 42 5 41 43 9 59 41 54 46 -0.67 13 0 0 43 13 40 16 48 31.8 40 81 -8 43 40 22 42 47 9 43 51 30 42 36 14 -0.67 14 0 0 43 54 42 16 48 21.8 41 83 -9 44 21 25 43 28 11 44 32 33 43 17 16 -0.67 15 0 0 44 35 17 16 48 11.8 42 84 -10 45 2 0 44 8 46 45 13 8 43 57 50 -0.67 16 0 0 45 15 23 16 48 1.8 42 85 -10 45 42 6 44 48 51 45 53 14 44 37 56 -0.67 17 0 0 45 54 58 16 47 51.8 43 86 -11 46 21 41 45 28 27 46 32 48 45 17 32 -0.67 18 0 0 46 34 2 16 47 41.7 44 88 -12 47 0 44 46 7 32 47 11 51 45 56 37 -0.67 19 0 0 47 12 34 16 47 31.7 45 89 -13 47 39 14 46 46 5 47 50 21 46 35 10 -0.68 20 0 0 47 50 32 16 47 21.6 45 90 -14 48 17 11 47 24 5 48 28 18 47 13 11 -0.68 21 0 0 48 27 57 16 47 11.6 46 92 -14 48 54 34 48 1 32 49 5 39 47 50 38 -0.68 22 0 0 49 4 46 16 47 1.7 46 93 -15 49 31 21 48 38 24 49 42 26 48 27 31 -0.68 23 0 0 49 41 1 16 46 51.7 47 94 -16 50 7 33 49 14 40 50 18 36 49 3 49 -0.68 24 0 0 50 16 39 16 46 41.8 48 96 -17 50 43 8 49 50 21 50 54 10 49 39 31 -0.68 25 0 0 50 51 40 16 46 32.0 48 97 -17 51 18 5 50 25 26 51 29 6 50 14 37 -0.68 26 0 0 51 26 4 16 46 22.3 49 99 -18 51 52 26 50 59 54 52 3 25 50 49 6 -0.68 27 0 0 51 59 50 16 46 12.6 49 100 -19 52 26 8 51 33 44 52 37 5 51 22 58 -0.68 28 0 0 52 32 59 16 46 2.9 50 102 -19 52 59 12 52 6 57 53 10 8 51 56 13 -0.68 29 0 0 53 5 29 16 45 53.4 50 103 -20 53 31 38 52 39 32 53 42 32 52 28 50 -0.68 30 0 0 53 37 21 16 45 44.0 50 105 -21 54 3 25 53 11 29 54 14 17 53 0 49 -0.69 31 0 0 54 8 35 16 45 34.6 51 106 -21 54 34 33 53 42 48 54 45 23 53 32 10 -0.69 32 0 0 54 39 10 16 45 25.4 51 108 -22 55 5 3 54 13 28 55 15 50 54 2 52 -0.69 33 0 0 55 9 6 16 45 16.2 52 110 -22 55 34 54 54 43 30 55 45 38 54 32 57 -0.69 34 0 0 55 38 24 16 45 7.2 52 111 -23 56 4 6 55 12 54 56 14 47 55 2 23 -0.69 35 0 0 56 7 4 16 44 58.2 52 113 -24 56 32 39 55 41 40 56 43 18 55 31 11 -0.69 36 0 0 56 35 5 16 44 49.4 53 114 -24 57 0 34 56 9 47 57 11 10 55 59 21 -0.69 37 0 0 57 2 28 16 44 40.6 53 116 -25 57 27 50 56 37 17 57 38 24 56 26 54 -0.69 38 0 0 57 29 14 16 44 32.0 53 118 -25 57 54 29 57 4 9 58 5 0 56 53 48 -0.69 39 0 0 57 55 22 16 44 23.5 53 119 -26 58 20 30 57 30 24 58 30 58 57 20 6 -0.69 40 0 0 58 20 52 16 44 15.2 54 121 -26 58 45 54 57 56 1 58 56 19 57 45 46 -0.69 41 0 0 58 45 46 16 44 6.9 54 123 -27 59 10 40 58 21 2 59 21 2 58 10 50 -0.69 42 0 0 59 10 4 16 43 58.7 54 124 -27 59 34 50 58 45 27 59 45 9 58 35 18 -0.69 43 0 0 59 33 45 16 43 50.7 54 126 -27 59 58 24 59 9 15 60 8 40 58 59 9 -0.69 44 0 0 59 56 51 16 43 42.8 54 128 -28 60 21 22 59 32 28 60 31 35 59 22 25 -0.69 45 0 0 60 19 21 16 43 35.0 54 129 -28 60 43 45 59 55 6 60 53 55 59 45 6 -0.69 46 0 0 60 41 17 16 43 27.3 55 131 -29 61 5 33 60 17 10 61 15 40 60 7 12 -0.69 47 0 0 61 2 39 16 43 19.7 55 133 -29 61 26 47 60 38 39 61 36 50 60 28 45 -0.69 48 0 0 61 23 26 16 43 12.2 55 134 -29 61 47 28 60 59 34 61 57 27 60 49 43 -0.70 49 0 0 61 43 41 16 43 4.9 55 136 -30 62 7 35 61 19 56 62 17 31 61 10 8 -0.70 50 0 0 62 3 23 16 42 57.6 55 138 -30 62 27 9 61 39 46 62 37 2 61 30 1 -0.70 51 0 0 62 22 33 16 42 50.5 55 139 -30 62 46 11 61 59 4 62 56 2 61 49 22 -0.70 52 0 0 62 41 12 16 42 43.5 55 141 -31 63 4 42 62 17 50 63 14 29 62 8 11 -0.70 53 0 0 62 59 19 16 42 36.6 55 143 -31 63 22 42 62 36 5 63 32 26 62 26 29 -0.70 54 0 0 63 16 56 16 42 29.8 55 144 -31 63 40 11 62 53 49 63 49 52 62 44 16 -0.70 55 0 0 63 34 3 16 42 23.1 55 146 -32 63 57 11 63 11 3 64 6 48 63 1 34 -0.70 56 0 0 63 50 41 16 42 16.4 55 148 -32 64 13 41 63 27 48 64 23 15 63 18 22 -0.70 57 0 0 64 6 49 16 42 9.9 55 149 -32 64 29 42 63 44 4 64 39 13 63 34 41 -0.70 58 0 0 64 22 30 16 42 3.5 55 151 -33 64 45 15 63 59 52 64 54 43 63 50 32 -0.70 59 0 0 64 37 43 16 41 57.2 55 152 -33 65 0 21 64 15 12 65 9 46 64 5 54 -0.70 60 0 0 64 52 28 16 41 51.0 55 154 -33 65 14 59 64 30 5 65 24 21 64 20 50 -0.70 61 0 0 65 6 47 16 41 44.8 55 156 -33 65 29 11 64 44 30 65 38 30 64 35 19 -0.70 62 0 0 65 20 40 16 41 38.8 55 157 -34 65 42 56 64 58 30 65 52 12 64 49 21 -0.70 63 0 0 65 34 7 16 41 32.8 55 159 -34 65 56 16 65 12 4 66 5 29 65 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56 15 23 -0.69 178 0 0 56 22 51 16 33 13.7 21 295 -31 56 48 25 55 57 28 56 59 4 55 47 0 -0.69 179 0 0 55 53 58 16 33 9.6 21 296 -30 56 19 38 55 28 28 56 30 20 55 17 57 -0.69 180 0 0 55 24 23 16 33 5.5 20 297 -30 55 50 11 54 58 47 56 0 55 54 48 13 -0.69 -179 0 0 54 54 7 16 33 1.5 19 298 -29 55 20 1 54 28 24 55 30 48 54 17 47 -0.69 -178 0 0 54 23 9 16 32 57.6 18 299 -29 54 49 9 53 57 19 54 59 59 53 46 40 -0.69 -177 0 0 53 51 29 16 32 53.8 18 300 -28 54 17 36 53 25 33 54 28 28 53 14 52 -0.69 -176 0 0 53 19 7 16 32 50.1 17 301 -28 53 45 20 52 53 6 53 56 15 52 42 22 -0.70 -175 0 0 52 46 3 16 32 46.5 16 301 -27 53 12 22 52 19 56 53 23 19 52 9 10 -0.70 -174 0 0 52 12 17 16 32 43.0 15 302 -27 52 38 41 51 46 5 52 49 41 51 35 17 -0.70 -173 0 0 51 37 50 16 32 39.6 14 303 -26 52 4 18 51 11 33 52 15 20 51 0 42 -0.70 -172 0 0 51 2 41 16 32 36.4 14 304 -26 51 29 14 50 36 18 51 40 18 50 25 26 -0.70 -171 0 0 50 26 50 16 32 33.2 13 305 -25 50 53 28 50 0 23 51 4 34 49 49 29 -0.70 -170 0 0 49 50 18 16 32 30.3 12 305 -24 50 17 0 49 23 47 50 28 8 49 12 52 -0.71 -169 0 0 49 13 6 16 32 27.5 11 306 -24 49 39 52 48 46 31 49 51 1 48 35 34 -0.71 -168 0 0 48 35 13 16 32 24.9 10 307 -23 49 2 3 48 8 36 49 13 13 47 57 37 -0.72 -167 0 0 47 56 42 16 32 22.4 9 308 -22 48 23 34 47 30 1 48 34 46 47 19 1 -0.72 -166 0 0 47 17 31 16 32 20.2 8 308 -21 47 44 26 46 50 48 47 55 39 46 39 47 -0.73 -165 0 0 46 37 43 16 32 18.2 7 309 -21 47 4 40 46 10 57 47 15 54 45 59 55 -0.74 -164 0 0 45 57 18 16 32 16.3 6 310 -20 46 24 17 45 30 30 46 35 32 45 19 27 -0.75 -163 0 0 45 16 16 16 32 14.8 5 311 -19 45 43 17 44 49 27 45 54 32 44 38 24 -0.76 -162 0 0 44 34 40 16 32 13.4 4 311 -18 45 1 42 44 7 50 45 12 58 43 56 46 -0.79 -161 0 0 43 52 30 16 32 12.3 3 312 -18 44 19 33 43 25 40 44 30 49 43 14 36 -0.83 -160 0 0 43 9 48 16 32 11.5 2 313 -17 43 36 51 42 42 57 43 48 7 42 31 53 -0.90 -159 0 0 42 26 35 16 32 10.9 1 313 -16 42 53 38 41 59 44 43 4 54 41 48 40 -1.10 -158 0 0 41 42 52 16 32 10.7 0 314 -15 42 9 54 .. .. .. 42 21 10 .. .. .. -2.80 Uncertainty in time = +/- 3 secs Prediction of 2022 Dec 1.1 Data for the target star ------------------------ * name: UCAC4 608-027143 * constellation : Auriga * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 05 55 43.5226 DE: +31 35 50.687 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 05 55 43.5225 DE: +31 35 50.687 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.400,0.300) * V mag [mag]: 12.1 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (224) Oceana asteroid class: approx. diameter [km]: 60 approx. diameter ["]: 0.043 distance from Earth [AU]: 1.89090 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#68 date of fit: 2022 Nov 22 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): 0.022", 0.004", 95.196° remarks: * orbital elements for (224)Oceana : Mean anomaly = 185.2673210977 deg Arg. of pericenter = 282.6684182362 deg Long. of node = 352.7476297125 deg Inclination = 5.8459297283 deg Eccentricity = 0.0451236830 Semimajor axis = 2.6442321674 AU Perihelion dist = 2.5249146733 AU Mag: H = 8.69, G = 0.15 Epoch of elements : MJD 59966.69597222 TDT (2023 Jan 22.6960) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#682022Nov22,6.88,2023,1,22,16.704615,-0.158375,0.545094,-4.686265,-1.361796,0.003264,-0.000692,0.000001,0.000000 76.9656,31.6018,-67.68,-19.63,False UCAC4 608-027143,5.92875628,31.5974131,0.00,12.06,0.00,0.0,0,,5.95390069,31.6017506,1.32,0.00,0,0,0 224,Oceana,13.00,59.5,1.8909,0,0,-1.705,-6.33,,2.8,0 0,185.1078,2023,1,22,282.6684,352.7476,5.8459,0.04512,2.64423,2.52491,8.71,5.0,0.15 1.207,0.0220,0.0043,95,0.0090,Known errors,-1.00,-1,-1,-1 20230122_027143,59914.09 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2022 Dec 01, 02:15 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org