IOTA/IOTA-ES occultation update for (97514) 2000 DL1 / TYC 6959-00994-1 event on 2024 Nov 17, 12:09 UT Visible from Summary ------- On 2024 Nov 17 UT, the 10.841 km diameter asteroid (97514) 2000 DL1 will occult a 11.7 mag star in the constellation Piscis Austrinus for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 7.34 mag to 19.06 mag (the magnitude of the asteroid) for at most 0.490 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 Nov 17, 12:04 - 2024 Nov 17, 12:14 * geocentric midpoint of event [JD]: 2460632.00676667 * magnitude of target star: 11.72 * magnitude drop [mag]: 7.34 * estimated maximum duration [s]: 0.490 * Moon: 96 % sunlit, 118° distance * Sun: 84° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 11 * 1 sigma uncertainty interval [path widths]: +/- 0.48 * 1 sigma uncertainty interval [seconds]: +/- 0.4 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.004, +/- 0.004) * 1 sigma uncertainty ellipse (major, minor, PA): (0.005", 0.003", 43°) * approx speed of asteroid's shadow [km/s]: 22.0417 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 6959-00994-1 by 97514 2000 DL1 on 2024 Nov 17 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 - 38 0 0 -48 56 29 12 4 57.1 1 135 50 -49 0 38 -48 52 19 -49 4 37 -48 48 20 .... - 37 0 0 -49 35 21 12 4 57.2 2 134 50 -49 39 27 -49 31 15 -49 43 23 -49 27 20 0.01 - 36 0 0 -50 12 38 12 4 57.4 3 134 50 -50 16 40 -50 8 35 -50 20 32 -50 4 43 -0.02 - 35 0 0 -50 48 21 12 4 57.6 3 133 50 -50 52 20 -50 44 22 -50 56 9 -50 40 33 -0.04 - 34 0 0 -51 22 36 12 4 57.9 4 132 51 -51 26 32 -51 18 40 -51 30 18 -51 14 54 -0.05 - 33 0 0 -51 55 25 12 4 58.3 5 131 51 -51 59 18 -51 51 33 -52 3 1 -51 47 50 -0.06 - 32 0 0 -52 26 53 12 4 58.7 6 131 51 -52 30 43 -52 23 3 -52 34 23 -52 19 23 -0.06 - 31 0 0 -52 57 3 12 4 59.1 7 130 51 -53 0 50 -52 53 16 -53 4 27 -52 49 39 -0.07 - 30 0 0 -53 25 58 12 4 59.6 7 129 51 -53 29 42 -53 22 13 -53 33 17 -53 18 39 -0.07 - 29 0 0 -53 53 40 12 5 0.1 8 128 51 -53 57 22 -53 49 59 -54 0 54 -53 46 26 -0.07 - 28 0 0 -54 20 13 12 5 0.7 9 127 51 -54 23 52 -54 16 34 -54 27 22 -54 13 5 -0.07 - 27 0 0 -54 45 40 12 5 1.3 10 126 51 -54 49 17 -54 42 4 -54 52 44 -54 38 36 -0.07 - 26 0 0 -55 10 3 12 5 1.9 10 126 51 -55 13 37 -55 6 29 -55 17 2 -55 3 4 -0.08 - 25 0 0 -55 33 24 12 5 2.6 11 125 51 -55 36 56 -55 29 52 -55 40 19 -55 26 29 -0.08 - 24 0 0 -55 55 46 12 5 3.3 12 124 51 -55 59 16 -55 52 16 -56 2 36 -55 48 55 -0.08 - 23 0 0 -56 17 10 12 5 4.0 12 123 51 -56 20 38 -56 13 43 -56 23 57 -56 10 24 -0.08 - 22 0 0 -56 37 40 12 5 4.7 13 122 50 -56 41 6 -56 34 14 -56 44 23 -56 30 57 -0.08 - 21 0 0 -56 57 16 12 5 5.5 14 122 50 -57 0 40 -56 53 53 -57 3 55 -56 50 37 -0.08 - 20 0 0 -57 16 1 12 5 6.3 14 121 50 -57 19 23 -57 12 39 -57 22 37 -57 9 26 -0.08 - 19 0 0 -57 33 57 12 5 7.1 15 120 50 -57 37 17 -57 30 36 -57 40 28 -57 27 25 -0.08 - 18 0 0 -57 51 4 12 5 7.9 16 119 50 -57 54 23 -57 47 46 -57 57 32 -57 44 36 -0.08 - 17 0 0 -58 7 25 12 5 8.7 16 118 50 -58 10 42 -58 4 8 -58 13 50 -58 1 0 -0.08 - 16 0 0 -58 23 1 12 5 9.6 17 117 50 -58 26 16 -58 19 45 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21 21 51 43 59 -0.07 122 0 0 52 34 39 12 14 31.5 3 211 -39 52 28 59 52 40 19 52 23 33 52 45 45 -0.06 123 0 0 53 33 35 12 14 31.8 2 212 -39 53 28 2 53 39 9 53 22 43 53 44 28 -0.05 124 0 0 54 29 38 12 14 31.9 1 213 -39 54 24 12 54 35 5 54 18 59 54 40 18 -0.01 125 0 0 .. .. .... .. .. .. .. .. .. 55 17 37 .. .. .. 55 12 30 .. .. .. .... Uncertainty in time = +/- 0 secs Prediction of 2023 Jul 15.7 Data for the target star ------------------------ * name: TYC 6959-00994-1 * constellation : Piscis Austrinus * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 21 46 30.5797 DE: -28 37 28.225 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 21 46 30.5795 DE: -28 37 28.226 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.100) * V mag [mag]: 11.7 * B mag [mag]: 12.1 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (97514) 2000 DL1 asteroid class: approx. diameter [km]: 11 approx. diameter ["]: 0.007 distance from Earth [AU]: 2.27910 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#35 date of fit: 2023 Apr 26 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): 0.005", 0.003", 42.559° remarks: * orbital elements for (97514)2000 DL1 : Mean anomaly = 238.8756172389 deg Arg. of pericenter = 119.1858511640 deg Long. of node = 4.2334150281 deg Inclination = 35.3761429351 deg Eccentricity = 0.2720013649 Semimajor axis = 2.0171744545 AU Perihelion dist = 1.4685002496 AU Mag: H = 14.26, G = 0.15 Epoch of elements : MJD 60631.50676659 TDT (2024 Nov 17.5068) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#352023Apr26,0.49,2024,11,17,12.162400,-0.085667,0.042805,5.533171,11.142767,0.005368,0.001808,0.000000,0.000000 87.5074,-28.5117,-6.17,-19.17,False TYC 6959-00994-1,21.77516107,-28.6245068,12.06,11.72,11.54,0.0,0,,21.79917773,-28.5117294,7.34,7.08,0,0,0 97514,2000 DL1,19.06,10.841,2.2791,0,0,1.621,43.00,,1.6,0 0,238.7013,2024,11,17,119.1859,4.2334,35.3761,0.27200,2.01717,1.46850,14.25,5.0,0.15 1.479,0.0053,0.0029,43,0.0032,Known errors,0.94,0,-1,-1 20241117_0994-1,60140.70 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 16:51 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org