IOTA/IOTA-ES occultation update for (389) Industria / UCAC4 598-021666 event on 2023 Nov 10, 19:16 UT Visible from Australia Summary ------- On 2023 Nov 10 UT, the 79.6 km diameter asteroid (389) Industria will occult a 11.9 mag star in the constellation Auriga for observers along a path across Australia. In the case of an occultation, the combined light of the asteroid and the star will drop by 0.86 mag to 12.13 mag (the magnitude of the asteroid) for at most 11.460 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: 100 * date and approx. time of event: 2023 Nov 10, 19:06 - 2023 Nov 10, 19:27 * geocentric midpoint of event [JD]: 2460259.30332912 * magnitude of target star: 11.93 * magnitude drop [mag]: 0.86 * estimated maximum duration [s]: 11.460 * Moon: 7 % sunlit, 113° distance * Sun: 143° distance * rough path description: Australia The occultation path -------------------- * approximate projected width [km]: 123 * 1 sigma uncertainty interval [path widths]: +/- 0.04 * 1 sigma uncertainty interval [seconds]: +/- 1.5 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.008, +/- 0.001) * 1 sigma uncertainty ellipse (major, minor, PA): (0.008", 0.001", 96°) * approx speed of asteroid's shadow [km/s]: 6.9467 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of UCAC4 598-021666 by 389 Industria on 2023 Nov 10 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 0 0 0 .. .. .... .. .. .. .. .. .. -47 16 1 .. .. .. -47 12 15 .. .. .. .... 51 0 0 -47 22 19 19 26 40.0 1 43 -24 -46 33 12 .. .. .. -46 29 27 .. .. .. .... 52 0 0 -46 39 13 19 26 39.7 1 42 -25 -45 50 31 -47 29 8 -45 46 49 -47 33 3 0.62 53 0 0 -45 56 18 19 26 38.9 2 41 -26 -45 8 2 -46 45 45 -45 4 21 -46 49 38 0.86 54 0 0 -45 13 36 19 26 37.6 3 41 -27 -44 25 45 -46 2 36 -44 22 6 -46 6 26 0.97 55 0 0 -44 31 8 19 26 36.0 4 40 -28 -43 43 43 -45 19 41 -43 40 6 -45 23 29 1.03 56 0 0 -43 48 57 19 26 33.9 5 39 -29 -43 1 58 -44 37 3 -42 58 23 -44 40 48 1.06 57 0 0 -43 7 5 19 26 31.4 6 39 -29 -42 20 32 -43 54 43 -42 16 58 -43 58 27 1.09 58 0 0 -42 25 34 19 26 28.4 7 38 -30 -41 39 26 -43 12 45 -41 35 54 -43 16 26 1.11 59 0 0 -41 44 25 19 26 25.0 8 37 -31 -40 58 42 -42 31 9 -40 55 12 -42 34 48 1.12 60 0 0 -41 3 40 19 26 21.2 9 37 -32 -40 18 21 -41 49 57 -40 14 54 -41 53 34 1.13 61 0 0 -40 23 20 19 26 17.0 10 36 -32 -39 38 26 -41 9 11 -39 35 1 -41 12 45 1.14 62 0 0 -39 43 26 19 26 12.3 11 35 -33 -38 58 57 -40 28 51 -38 55 34 -40 32 24 1.15 63 0 0 -39 4 1 19 26 7.3 12 35 -34 -38 19 56 -39 49 0 -38 16 34 -39 52 31 1.16 64 0 0 -38 25 5 19 26 1.8 13 34 -34 -37 41 24 -39 9 39 -37 38 4 -39 13 8 1.16 65 0 0 -37 46 40 19 25 55.9 14 33 -35 -37 3 22 -38 30 49 -37 0 4 -38 34 16 1.17 66 0 0 -37 8 46 19 25 49.7 15 33 -36 -36 25 52 -37 52 31 -36 22 35 -37 55 56 1.17 67 0 0 -36 31 25 19 25 43.0 16 32 -36 -35 48 53 -37 14 46 -35 45 38 -37 18 9 1.17 68 0 0 -35 54 38 19 25 36.0 17 31 -37 -35 12 28 -36 37 35 -35 9 14 -36 40 56 1.18 69 0 0 -35 18 25 19 25 28.7 18 31 -37 -34 36 37 -36 0 59 -34 33 25 -36 4 18 1.18 70 0 0 -34 42 47 19 25 20.9 19 30 -38 -34 1 20 -35 24 59 -33 58 10 -35 28 16 1.18 71 0 0 -34 7 45 19 25 12.8 20 29 -38 -33 26 39 -34 49 35 -33 23 30 -34 52 51 1.18 72 0 0 -33 33 19 19 25 4.4 21 29 -39 -32 52 33 -34 14 48 -32 49 26 -34 18 2 1.18 73 0 0 -32 59 31 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Uncertainty in time = +/- 2 secs Prediction of 2023 Oct 15.9 Data for the target star ------------------------ * name: UCAC4 598-021666 * constellation : Auriga * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 05 33 31.4689 DE: +29 24 52.347 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 05 33 31.4691 DE: +29 24 52.348 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.100) * V mag [mag]: 11.9 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (389) Industria asteroid class: approx. diameter [km]: 80 approx. diameter ["]: 0.060 distance from Earth [AU]: 1.82170 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#129 date of fit: 2023 Oct 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): 0.008", 0.001", 95.863° remarks: * orbital elements for (389)Industria : Mean anomaly = 248.7255307448 deg Arg. of pericenter = 267.3232585971 deg Long. of node = 282.0298841192 deg Inclination = 8.1205755405 deg Eccentricity = 0.0659647498 Semimajor axis = 2.6089228684 AU Perihelion dist = 2.4368259243 AU Mag: H = 8.03, G = 0.15 Epoch of elements : MJD 60258.80312500 TDT (2023 Nov 10.8031) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#1292023Oct09,11.46,2023,11,10,19.279899,0.108406,-0.753377,-3.880587,-0.560755,-0.003466,-0.000653,0.000001,0.000000 104.8767,29.4315,-113.22,-17.23,False UCAC4 598-021666,5.55874134,29.4145409,0.00,11.93,0.00,0.0,0,,5.58425528,29.4314767,0.86,0.00,0,0,0 389,Industria,12.13,79.600,1.8217,0,0,-1.434,-2.71,,4.0,0 0,248.5377,2023,11,10,267.3233,282.0299,8.1206,0.06596,2.60892,2.43683,7.93,5.0,0.15 1.039,0.0083,0.0012,96,0.0084,Known errors,-1.00,0,-1,-1 20231110_021666,60232.88 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Oct 15, 21:03 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org