IOTA/IOTA-ES occultation update for (46303) 2001 OZ44 / TYC 6274-00210-1 event on 2024 Sep 04, 19:42 UT Visible from Summary ------- On 2024 Sep 04 UT, the 11.262 km diameter asteroid (46303) 2001 OZ44 will occult a 11.3 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 7.30 mag to 18.59 mag (the magnitude of the asteroid) for at most 2.050 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: 95 * date and approx. time of event: 2024 Sep 04, 19:22 - 2024 Sep 04, 20:02 * geocentric midpoint of event [JD]: 2460558.32128245 * magnitude of target star: 11.29 * magnitude drop [mag]: 7.30 * estimated maximum duration [s]: 2.050 * Moon: 2 % sunlit, 96° distance * Sun: 114° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 11 * 1 sigma uncertainty interval [path widths]: +/- 0.45 * 1 sigma uncertainty interval [seconds]: +/- 5.8 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.019, +/- 0.006) * 1 sigma uncertainty ellipse (major, minor, PA): (0.020", 0.002", 74°) * approx speed of asteroid's shadow [km/s]: 5.4865 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 6274-00210-1 by 46303 2001 OZ44 on 2024 Sep 4 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 - 98 0 0 .. .. .... .. .. .. .. .. .. -26 20 30 .. .. .. -26 23 25 .. .. .. .... - 97 0 0 -26 37 56 19 23 19.1 1 111 54 -26 41 13 -26 34 39 -26 44 7 -26 31 45 .... - 96 0 0 -26 58 13 19 23 19.6 2 110 53 -27 1 29 -26 54 56 -27 4 23 -26 52 2 0.14 - 95 0 0 -27 18 3 19 23 20.4 3 110 53 -27 21 19 -27 14 47 -27 24 12 -27 11 53 0.12 - 94 0 0 -27 37 26 19 23 21.6 4 109 52 -27 40 42 -27 34 11 -27 43 35 -27 31 18 0.12 - 93 0 0 -27 56 23 19 23 23.0 5 109 51 -27 59 38 -27 53 8 -28 2 31 -27 50 15 0.11 - 92 0 0 -28 14 53 19 23 24.8 6 108 50 -28 18 7 -28 11 38 -28 20 59 -28 8 46 0.11 - 91 0 0 -28 32 55 19 23 26.8 7 108 50 -28 36 9 -28 29 41 -28 39 1 -28 26 49 0.11 - 90 0 0 -28 50 30 19 23 29.2 8 107 49 -28 53 44 -28 47 17 -28 56 35 -28 44 25 0.11 - 89 0 0 -29 7 38 19 23 31.9 8 107 48 -29 10 51 -29 4 25 -29 13 42 -29 1 34 0.10 - 88 0 0 -29 24 18 19 23 34.8 9 106 48 -29 27 31 -29 21 6 -29 30 22 -29 18 15 0.10 - 87 0 0 -29 40 31 19 23 38.1 10 106 47 -29 43 43 -29 37 19 -29 46 34 -29 34 29 0.10 - 86 0 0 -29 56 16 19 23 41.6 11 105 46 -29 59 28 -29 53 5 -30 2 18 -29 50 15 0.10 - 85 0 0 -30 11 34 19 23 45.4 12 105 45 -30 14 45 -30 8 23 -30 17 35 -30 5 33 0.10 - 84 0 0 -30 26 23 19 23 49.5 13 104 45 -30 29 34 -30 23 13 -30 32 24 -30 20 23 0.10 - 83 0 0 -30 40 45 19 23 53.8 14 104 44 -30 43 56 -30 37 35 -30 46 45 -30 34 46 0.10 - 82 0 0 -30 54 39 19 23 58.4 15 103 43 -30 57 49 -30 51 30 -31 0 38 -30 48 41 0.10 - 81 0 0 -31 8 6 19 24 3.3 16 103 42 -31 11 15 -31 4 56 -31 14 4 -31 2 8 0.09 - 80 0 0 -31 21 4 19 24 8.5 17 102 42 -31 24 13 -31 17 55 -31 27 1 -31 15 7 0.09 - 79 0 0 -31 33 34 19 24 13.9 18 102 41 -31 36 43 -31 30 26 -31 39 31 -31 27 38 0.09 - 78 0 0 -31 45 37 19 24 19.5 18 101 40 -31 48 45 -31 42 28 -31 51 32 -31 39 41 0.09 - 77 0 0 -31 57 11 19 24 25.4 19 101 39 -32 0 19 -31 54 3 -32 3 6 -31 51 16 0.09 - 76 0 0 -32 8 18 19 24 31.6 20 100 39 -32 11 25 -32 5 10 -32 14 12 -32 2 24 0.09 - 75 0 0 -32 18 56 19 24 38.0 21 100 38 -32 22 4 -32 15 49 -32 24 50 -32 13 3 0.09 - 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61 0 0 -33 58 53 19 26 32.1 33 91 27 -34 1 56 -33 55 49 -34 4 40 -33 53 6 0.08 - 60 0 0 -34 2 30 19 26 42.0 34 91 26 -34 5 34 -33 59 26 -34 8 17 -33 56 43 0.08 - 59 0 0 -34 5 40 19 26 52.0 35 90 25 -34 8 43 -34 2 36 -34 11 26 -33 59 53 0.08 - 58 0 0 -34 8 21 19 27 2.3 36 90 25 -34 11 24 -34 5 17 -34 14 7 -34 2 34 0.08 - 57 0 0 -34 10 34 19 27 12.7 37 89 24 -34 13 37 -34 7 30 -34 16 20 -34 4 48 0.08 - 56 0 0 -34 12 18 19 27 23.4 38 88 23 -34 15 22 -34 9 15 -34 18 5 -34 6 32 0.08 - 55 0 0 -34 13 35 19 27 34.3 39 88 22 -34 16 38 -34 10 31 -34 19 21 -34 7 49 0.08 - 54 0 0 -34 14 22 19 27 45.4 39 87 22 -34 17 26 -34 11 19 -34 20 8 -34 8 36 0.07 - 53 0 0 -34 14 42 19 27 56.7 40 86 21 -34 17 45 -34 11 38 -34 20 28 -34 8 56 0.07 - 52 0 0 -34 14 32 19 28 8.3 41 86 20 -34 17 36 -34 11 29 -34 20 18 -34 8 47 0.07 - 51 0 0 -34 13 55 19 28 20.0 42 85 19 -34 16 58 -34 10 51 -34 19 41 -34 8 9 0.07 - 50 0 0 -34 12 48 19 28 32.0 43 85 18 -34 15 51 -34 9 45 -34 18 34 -34 7 2 0.07 - 49 0 0 -34 11 12 19 28 44.2 44 84 18 -34 14 16 -34 8 9 -34 16 59 -34 5 26 0.07 - 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35 0 0 -32 57 29 19 31 57.1 56 74 6 -33 0 35 -32 54 23 -33 3 20 -32 51 38 0.07 - 34 0 0 -32 48 28 19 32 12.5 57 74 5 -32 51 34 -32 45 21 -32 54 19 -32 42 36 0.07 - 33 0 0 -32 38 55 19 32 28.1 58 73 4 -32 42 1 -32 35 48 -32 44 47 -32 33 3 0.07 - 32 0 0 -32 28 51 19 32 44.0 59 72 4 -32 31 58 -32 25 44 -32 34 44 -32 22 58 0.07 - 31 0 0 -32 18 16 19 33 0.1 60 71 3 -32 21 23 -32 15 8 -32 24 9 -32 12 22 0.07 - 30 0 0 -32 7 9 19 33 16.4 61 71 2 -32 10 17 -32 4 1 -32 13 4 -32 1 15 0.07 - 29 0 0 -31 55 31 19 33 32.9 62 70 1 -31 58 39 -31 52 23 -32 1 26 -31 49 36 0.07 - 28 0 0 -31 43 21 19 33 49.7 62 69 0 -31 46 29 -31 40 12 -31 49 17 -31 37 25 0.07 - 27 0 0 -31 30 39 19 34 6.7 63 68 -1 -31 33 48 -31 27 30 -31 36 35 -31 24 42 0.07 - 26 0 0 -31 17 25 19 34 23.9 64 67 -2 -31 20 34 -31 14 15 -31 23 22 -31 11 27 0.07 - 25 0 0 -31 3 38 19 34 41.3 65 67 -3 -31 6 48 -31 0 28 -31 9 36 -30 57 39 0.07 - 24 0 0 -30 49 19 19 34 59.0 66 66 -3 -30 52 29 -30 46 8 -30 55 18 -30 43 19 0.07 - 23 0 0 -30 34 27 19 35 16.9 67 65 -4 -30 37 38 -30 31 16 -30 40 27 -30 28 27 0.07 - 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9 36 8 19 51 56.8 61 248 -52 - 9 39 45 - 9 32 32 - 9 42 57 - 9 29 20 0.10 24 0 0 - 8 59 10 19 52 18.7 60 248 -53 - 9 2 47 - 8 55 34 - 9 6 0 - 8 52 21 0.10 25 0 0 - 8 22 4 19 52 40.3 58 247 -54 - 8 25 41 - 8 18 27 - 8 28 53 - 8 15 14 0.10 26 0 0 - 7 44 50 19 53 1.7 57 247 -55 - 7 48 27 - 7 41 13 - 7 51 39 - 7 38 0 0.10 27 0 0 - 7 7 30 19 53 22.8 56 246 -56 - 7 11 7 - 7 3 53 - 7 14 20 - 7 0 40 0.10 28 0 0 - 6 30 6 19 53 43.7 55 246 -57 - 6 33 43 - 6 26 29 - 6 36 56 - 6 23 16 0.10 29 0 0 - 5 52 39 19 54 4.2 53 246 -58 - 5 56 16 - 5 49 2 - 5 59 29 - 5 45 49 0.10 30 0 0 - 5 15 11 19 54 24.4 52 246 -59 - 5 18 48 - 5 11 33 - 5 22 0 - 5 8 21 0.10 31 0 0 - 4 37 42 19 54 44.2 51 245 -60 - 4 41 19 - 4 34 5 - 4 44 32 - 4 30 53 0.11 32 0 0 - 4 0 16 19 55 3.7 50 245 -61 - 4 3 53 - 3 56 39 - 4 7 5 - 3 53 26 0.11 33 0 0 - 3 22 52 19 55 22.8 49 245 -62 - 3 26 29 - 3 19 16 - 3 29 42 - 3 16 3 0.11 34 0 0 - 2 45 33 19 55 41.5 47 245 -63 - 2 49 10 - 2 41 57 - 2 52 22 - 2 38 44 0.11 35 0 0 - 2 8 20 19 55 59.9 46 245 -64 - 2 11 57 - 2 4 44 - 2 15 9 - 2 1 32 0.11 36 0 0 - 1 31 15 19 56 17.8 45 244 -65 - 1 34 51 - 1 27 38 - 1 38 3 - 1 24 26 0.11 37 0 0 - 0 54 17 19 56 35.3 44 244 -66 - 0 57 53 - 0 50 42 - 1 1 5 - 0 47 30 0.11 38 0 0 - 0 17 30 19 56 52.4 42 244 -67 - 0 21 6 - 0 13 55 - 0 24 18 - 0 10 43 0.11 39 0 0 0 19 5 19 57 9.0 41 244 -68 0 15 30 0 22 41 0 12 19 0 25 52 0.11 40 0 0 0 55 28 19 57 25.2 40 244 -68 0 51 53 0 59 3 0 48 42 1 2 14 0.11 41 0 0 1 31 37 19 57 41.0 39 244 -69 1 28 3 1 35 12 1 24 52 1 38 22 0.11 42 0 0 2 7 31 19 57 56.2 37 244 -70 2 3 57 2 11 6 2 0 47 2 14 16 0.11 43 0 0 2 43 9 19 58 11.0 36 244 -70 2 39 35 2 46 43 2 36 26 2 49 53 0.11 44 0 0 3 18 30 19 58 25.4 35 244 -71 3 14 57 3 22 4 3 11 47 3 25 13 0.11 45 0 0 3 53 32 19 58 39.2 34 244 -72 3 49 59 3 57 5 3 46 50 4 0 14 0.12 46 0 0 4 28 15 19 58 52.6 33 244 -72 4 24 43 4 31 48 4 21 34 4 34 56 0.12 47 0 0 5 2 38 19 59 5.5 31 244 -73 4 59 6 5 6 10 4 55 57 5 9 18 0.12 48 0 0 5 36 39 19 59 17.9 30 244 -73 5 33 8 5 40 11 5 30 0 5 43 19 0.12 49 0 0 6 10 19 19 59 29.8 29 244 -73 6 6 47 6 13 50 6 3 40 6 16 57 0.12 50 0 0 6 43 35 19 59 41.2 28 244 -73 6 40 4 6 47 5 6 36 57 6 50 12 0.12 51 0 0 7 16 28 19 59 52.1 27 245 -74 7 12 57 7 19 58 7 9 51 7 23 4 0.12 52 0 0 7 48 56 20 0 2.6 26 245 -74 7 45 26 7 52 25 7 42 20 7 55 31 0.12 53 0 0 8 20 59 20 0 12.5 24 245 -74 8 17 30 8 24 28 8 14 25 8 27 33 0.12 54 0 0 8 52 36 20 0 22.0 23 245 -73 8 49 8 8 56 5 8 46 3 8 59 9 0.12 55 0 0 9 23 47 20 0 31.0 22 245 -73 9 20 20 9 27 15 9 17 15 9 30 20 0.12 56 0 0 9 54 32 20 0 39.5 21 245 -73 9 51 5 9 57 59 9 48 1 10 1 3 0.12 57 0 0 10 24 49 20 0 47.5 20 245 -73 10 21 22 10 28 15 10 18 19 10 31 18 0.12 58 0 0 10 54 38 20 0 55.1 19 246 -72 10 51 12 10 58 4 10 48 9 11 1 6 0.12 59 0 0 11 23 59 20 1 2.2 18 246 -72 11 20 33 11 27 24 11 17 31 11 30 26 0.12 60 0 0 11 52 51 20 1 8.8 16 246 -71 11 49 26 11 56 16 11 46 24 11 59 17 0.12 61 0 0 12 21 14 20 1 14.9 15 246 -71 12 17 50 12 24 38 12 14 49 12 27 39 0.12 62 0 0 12 49 8 20 1 20.7 14 246 -70 12 45 44 12 52 32 12 42 44 12 55 32 0.12 63 0 0 13 16 33 20 1 25.9 13 247 -70 13 13 10 13 19 55 13 10 9 13 22 56 0.12 64 0 0 13 43 27 20 1 30.7 12 247 -69 13 40 5 13 46 50 13 37 5 13 49 49 0.12 65 0 0 14 9 52 20 1 35.1 11 247 -68 14 6 30 14 13 14 14 3 31 14 16 13 0.12 66 0 0 14 35 47 20 1 39.1 10 247 -68 14 32 25 14 39 8 14 29 27 14 42 6 0.13 67 0 0 15 1 11 20 1 42.6 9 248 -67 14 57 50 15 4 31 14 54 52 15 7 29 0.13 68 0 0 15 26 5 20 1 45.7 8 248 -66 15 22 45 15 29 25 15 19 47 15 32 22 0.13 69 0 0 15 50 28 20 1 48.4 7 248 -65 15 47 8 15 53 47 15 44 11 15 56 44 0.13 70 0 0 16 14 20 20 1 50.7 6 248 -65 16 11 2 16 17 39 16 8 5 16 20 36 0.14 71 0 0 16 37 42 20 1 52.6 5 249 -64 16 34 24 16 41 1 16 31 28 16 43 57 0.14 72 0 0 17 0 34 20 1 54.1 4 249 -63 16 57 16 17 3 51 16 54 21 17 6 47 0.15 73 0 0 17 22 54 20 1 55.3 3 249 -62 17 19 37 17 26 11 17 16 42 17 29 6 0.17 74 0 0 17 44 44 20 1 56.0 2 250 -62 17 41 27 17 48 1 17 38 33 17 50 55 0.21 75 0 0 18 6 3 20 1 56.4 1 250 -61 18 2 47 18 9 19 17 59 53 18 12 13 0.40 Uncertainty in time = +/- 6 secs Prediction of 2023 Jul 15.5 Data for the target star ------------------------ * name: TYC 6274-00210-1 * constellation : Sagittarius * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 18 26 13.4617 DE: -18 54 48.338 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 18 26 13.4614 DE: -18 54 48.338 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.100) * V mag [mag]: 11.3 * B mag [mag]: 11.8 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (46303) 2001 OZ44 asteroid class: approx. diameter [km]: 11 approx. diameter ["]: 0.007 distance from Earth [AU]: 2.26700 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#44 date of fit: 2023 Apr 25 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): 0.020", 0.002", 74.189° remarks: * orbital elements for (46303)2001 OZ44 : Mean anomaly = 92.4110324013 deg Arg. of pericenter = 273.8955657821 deg Long. of node = 279.0701982794 deg Inclination = 12.3930572207 deg Eccentricity = 0.0907977383 Semimajor axis = 2.7942790726 AU Perihelion dist = 2.5405648525 AU Mag: H = 13.59, G = 0.15 Epoch of elements : MJD 60557.82128167 TDT (2024 Sep 04.8213) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#442023Apr25,2.05,2024,9,4,19.710779,0.030043,-0.067476,2.839814,1.234973,0.005208,0.000076,0.000001,0.000000 -3.1574,-18.8995,-115.97,6.77,False TYC 6274-00210-1,18.43707270,-18.9134273,11.76,11.29,11.04,0.0,0,,18.46139435,-18.8994760,7.31,7.11,0,0,0 46303,2001 OZ44,18.59,11.262,2.2670,0,0,0.777,4.79,,1.0,0 0,92.2377,2024,9,4,273.8956,279.0702,12.3931,0.09080,2.79428,2.54056,13.59,5.0,0.15 1.444,0.0197,0.0016,74,0.0031,Known errors,0.61,0,-1,-1 20240904_0210-1,60140.54 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 12:59 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org