IOTA/IOTA-ES occultation update for (5364) Christophschafer / UCAC4 571-015769 event on 2024 Jan 03, 13:11 UT Visible from Summary ------- On 2024 Jan 03 UT, the 12.662947545427 km diameter asteroid (5364) Christophschafer will occult a 11.3 mag star in the constellation Taurus for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 5.44 mag to 16.71 mag (the magnitude of the asteroid) for at most 1.580 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: 93 * date and approx. time of event: 2024 Jan 03, 12:58 - 2024 Jan 03, 13:23 * geocentric midpoint of event [JD]: 2460313.04933679 * magnitude of target star: 11.28 * magnitude drop [mag]: 5.44 * estimated maximum duration [s]: 1.580 * Moon: 56 % sunlit, 106° distance * Sun: 157° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 14 * 1 sigma uncertainty interval [path widths]: +/- 0.47 * 1 sigma uncertainty interval [seconds]: +/- 2.8 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.023, +/- 0.004) * 1 sigma uncertainty ellipse (major, minor, PA): (0.023", 0.004", 88°) * approx speed of asteroid's shadow [km/s]: 8.2297 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of UCAC4 571-015769 by 5364 Christophschafer on 2024 Jan 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 62 0 0 -31 1 17 13 23 2.4 1 61 18 -30 56 56 -31 5 38 -30 52 48 -31 9 46 .... 63 0 0 -30 32 49 13 23 2.1 2 60 17 -30 28 28 -30 37 11 -30 24 20 -30 41 19 0.22 64 0 0 -30 4 7 13 23 1.6 3 60 16 -29 59 46 -30 8 28 -29 55 37 -30 12 37 0.29 65 0 0 -29 35 10 13 23 0.7 4 59 15 -29 30 49 -29 39 32 -29 26 40 -29 43 41 0.32 66 0 0 -29 6 0 13 22 59.7 5 59 14 -29 1 39 -29 10 22 -28 57 30 -29 14 32 0.34 67 0 0 -28 36 38 13 22 58.3 6 58 13 -28 32 16 -28 41 0 -28 28 7 -28 45 9 0.36 68 0 0 -28 7 3 13 22 56.7 7 58 12 -28 2 41 -28 11 25 -27 58 32 -28 15 35 0.37 69 0 0 -27 37 17 13 22 54.9 8 58 11 -27 32 55 -27 41 40 -27 28 46 -27 45 49 0.37 70 0 0 -27 7 21 13 22 52.8 9 57 10 -27 2 59 -27 11 44 -26 58 50 -27 15 53 0.38 71 0 0 -26 37 16 13 22 50.4 10 57 9 -26 32 53 -26 41 38 -26 28 44 -26 45 48 0.38 72 0 0 -26 7 1 13 22 47.7 11 56 8 -26 2 39 -26 11 24 -25 58 30 -26 15 33 0.39 73 0 0 -25 36 39 13 22 44.8 12 56 7 -25 32 17 -25 41 1 -25 28 7 -25 45 11 0.39 74 0 0 -25 6 9 13 22 41.6 13 55 6 -25 1 47 -25 10 32 -24 57 38 -25 14 42 0.39 75 0 0 -24 35 34 13 22 38.1 14 55 5 -24 31 12 -24 39 56 -24 27 2 -24 44 6 0.39 76 0 0 -24 4 53 13 22 34.4 15 54 4 -24 0 31 -24 9 15 -23 56 22 -24 13 25 0.40 77 0 0 -23 34 7 13 22 30.4 16 54 3 -23 29 45 -23 38 30 -23 25 36 -23 42 39 0.40 78 0 0 -23 3 18 13 22 26.1 17 54 2 -22 58 56 -23 7 40 -22 54 47 -23 11 50 0.40 79 0 0 -22 32 26 13 22 21.6 18 53 1 -22 28 4 -22 36 48 -22 23 56 -22 40 57 0.40 80 0 0 -22 1 32 13 22 16.8 19 53 0 -21 57 11 -22 5 54 -21 53 2 -22 10 3 0.40 81 0 0 -21 30 38 13 22 11.7 20 52 -1 -21 26 16 -21 34 59 -21 22 8 -21 39 8 0.40 82 0 0 -20 59 43 13 22 6.3 21 52 -2 -20 55 22 -21 4 4 -20 51 13 -21 8 13 0.40 83 0 0 -20 28 49 13 22 0.7 22 51 -3 -20 24 28 -20 33 10 -20 20 20 -20 37 18 0.40 84 0 0 -19 57 56 13 21 54.8 23 51 -4 -19 53 35 -20 2 17 -19 49 28 -20 6 25 0.40 85 0 0 -19 27 6 13 21 48.7 24 51 -5 -19 22 46 -19 31 26 -19 18 38 -19 35 34 0.41 86 0 0 -18 56 19 13 21 42.3 25 50 -6 -18 51 59 -19 0 39 -18 47 52 -19 4 47 0.41 87 0 0 -18 25 37 13 21 35.6 26 50 -7 -18 21 17 -18 29 56 -18 17 10 -18 34 4 0.41 88 0 0 -17 54 59 13 21 28.7 27 49 -8 -17 50 40 -17 59 18 -17 46 33 -18 3 25 0.41 89 0 0 -17 24 27 13 21 21.5 28 49 -9 -17 20 8 -17 28 46 -17 16 2 -17 32 53 0.41 90 0 0 -16 54 2 13 21 14.1 29 49 -10 -16 49 44 -16 58 21 -16 45 38 -17 2 27 0.41 91 0 0 -16 23 45 13 21 6.5 30 48 -11 -16 19 27 -16 28 3 -16 15 21 -16 32 9 0.41 92 0 0 -15 53 35 13 20 58.6 31 48 -12 -15 49 18 -15 57 53 -15 45 13 -16 1 59 0.41 93 0 0 -15 23 35 13 20 50.4 33 47 -13 -15 19 18 -15 27 53 -15 15 14 -15 31 57 0.41 94 0 0 -14 53 45 13 20 42.1 34 47 -15 -14 49 28 -14 58 2 -14 45 24 -15 2 6 0.41 95 0 0 -14 24 5 13 20 33.5 35 47 -16 -14 19 49 -14 28 21 -14 15 45 -14 32 25 0.41 96 0 0 -13 54 36 13 20 24.7 36 46 -17 -13 50 20 -13 58 52 -13 46 17 -14 2 56 0.41 97 0 0 -13 25 20 13 20 15.7 37 46 -18 -13 21 4 -13 29 35 -13 17 2 -13 33 38 0.41 98 0 0 -12 56 16 13 20 6.5 38 45 -19 -12 52 1 -13 0 31 -12 47 59 -13 4 33 0.41 99 0 0 -12 27 25 13 19 57.0 39 45 -20 -12 23 11 -12 31 40 -12 19 9 -12 35 42 0.41 100 0 0 -11 58 49 13 19 47.4 40 44 -21 -11 54 35 -12 3 3 -11 50 34 -12 7 4 0.41 101 0 0 -11 30 27 13 19 37.6 41 44 -22 -11 26 14 -11 34 40 -11 22 13 -11 38 41 0.41 102 0 0 -11 2 20 13 19 27.6 42 43 -23 -10 58 8 -11 6 33 -10 54 8 -11 10 34 0.41 103 0 0 -10 34 30 13 19 17.4 43 43 -24 -10 30 18 -10 38 42 -10 26 18 -10 42 42 0.41 104 0 0 -10 6 56 13 19 7.0 43 42 -25 -10 2 44 -10 11 7 - 9 58 45 -10 15 7 0.41 105 0 0 - 9 39 39 13 18 56.4 44 42 -26 - 9 35 28 - 9 43 50 - 9 31 29 - 9 47 49 0.41 106 0 0 - 9 12 39 13 18 45.7 45 41 -27 - 9 8 29 - 9 16 50 - 9 4 31 - 9 20 48 0.41 107 0 0 - 8 45 58 13 18 34.8 46 40 -28 - 8 41 48 - 8 50 8 - 8 37 51 - 8 54 6 0.41 108 0 0 - 8 19 35 13 18 23.8 47 40 -29 - 8 15 26 - 8 23 45 - 8 11 29 - 8 27 42 0.41 109 0 0 - 7 53 31 13 18 12.6 48 39 -30 - 7 49 23 - 7 57 40 - 7 45 26 - 8 1 37 0.41 110 0 0 - 7 27 47 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13 4 22.9 51 302 -70 5 34 44 5 27 8 5 38 20 5 23 32 0.40 177 0 0 5 27 29 13 4 12.2 50 302 -69 5 31 17 5 23 41 5 34 53 5 20 5 0.40 178 0 0 5 23 34 13 4 1.7 49 301 -69 5 27 21 5 19 46 5 30 58 5 16 9 0.40 179 0 0 5 19 10 13 3 51.3 48 301 -68 5 22 58 5 15 22 5 26 34 5 11 45 0.40 180 0 0 5 14 18 13 3 41.0 47 300 -67 5 18 6 5 10 29 5 21 42 5 6 52 0.40 -179 0 0 5 8 57 13 3 30.8 46 300 -67 5 12 45 5 5 8 5 16 22 5 1 31 0.40 -178 0 0 5 3 7 13 3 20.8 46 300 -66 5 6 56 4 59 19 5 10 33 4 55 42 0.40 -177 0 0 4 56 50 13 3 10.9 45 299 -65 5 0 38 4 53 1 5 4 16 4 49 23 0.40 -176 0 0 4 50 3 13 3 1.1 44 299 -64 4 53 52 4 46 14 4 57 29 4 42 36 0.40 -175 0 0 4 42 48 13 2 51.5 43 299 -64 4 46 37 4 38 58 4 50 15 4 35 20 0.40 -174 0 0 4 35 4 13 2 42.0 42 299 -63 4 38 53 4 31 14 4 42 31 4 27 36 0.40 -173 0 0 4 26 51 13 2 32.7 41 298 -62 4 30 41 4 23 1 4 34 19 4 19 23 0.40 -172 0 0 4 18 10 13 2 23.5 40 298 -61 4 22 0 4 14 19 4 25 38 4 10 41 0.41 -171 0 0 4 8 59 13 2 14.5 39 298 -61 4 12 50 4 5 9 4 16 28 4 1 30 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Uncertainty in time = +/- 3 secs Prediction of 2023 Jul 12.0 Data for the target star ------------------------ * name: UCAC4 571-015769 * constellation : Taurus * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 05 13 21.4879 DE: +24 07 28.193 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 05 13 21.4879 DE: +24 07 28.193 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.300,0.200) * V mag [mag]: 11.3 * B mag [mag]: 12.9 * Diameter [mas]: 0.30 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (5364) Christophschafer asteroid class: approx. diameter [km]: 13 approx. diameter ["]: 0.012 distance from Earth [AU]: 1.42040 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#46 date of fit: 2023 Feb 09 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): 0.023", 0.004", 87.57° remarks: * orbital elements for (5364)Christophschafer : Mean anomaly = 67.0044488200 deg Arg. of pericenter = 77.7202256703 deg Long. of node = 281.1338305147 deg Inclination = 3.1149620054 deg Eccentricity = 0.2008604946 Semimajor axis = 2.4574985185 AU Perihelion dist = 1.9638841505 AU Mag: H = 13.46, G = 0.15 Epoch of elements : MJD 60312.54933942 TDT (2024 Jan 03.5493) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#462023Feb09,1.58,2024,1,3,13.184083,0.083141,-0.358733,-4.525048,-1.049192,0.002224,0.000069,0.000001,0.000000 138.2845,24.1536,-16.69,-22.84,False UCAC4 571-015769,5.22263553,24.1244982,12.91,11.28,10.40,0.3,4,,5.24731653,24.1536422,5.43,5.86,0,0,0 5364,Christophschafer,16.71,12.972,1.4204,0,0,-2.046,-6.49,,0.8,0 0,66.8639,2024,1,3,77.7202,281.1338,3.1150,0.20086,2.45750,1.96388,13.46,5.0,0.15 1.475,0.0227,0.0043,88,0.0060,Known errors,1.13,0,-1,-1 20240103_015769,60137.00 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 11, 23:55 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org