IOTA/IOTA-ES occultation update for (1120) Cannonia / HIP 25392 event on 2024 Dec 10, 08:27 UT Visible from Summary ------- On 2024 Dec 10 UT, the 10.2959562154448 km diameter asteroid (1120) Cannonia will occult a 7.5 mag star in the constellation Orion for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 6.48 mag to 14.00 mag (the magnitude of the asteroid) for at most 1.210 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: 2024 Dec 10, 08:15 - 2024 Dec 10, 08:40 * geocentric midpoint of event [JD]: 2460654.85246654 * magnitude of target star: 7.52 * magnitude drop [mag]: 6.48 * estimated maximum duration [s]: 1.210 * Moon: 69 % sunlit, 71° distance * Sun: 172° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 10 * 1 sigma uncertainty interval [path widths]: +/- 0.25 * 1 sigma uncertainty interval [seconds]: +/- 2.4 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.027, +/- 0.004) * 1 sigma uncertainty ellipse (major, minor, PA): (0.027", 0.003", 85°) * approx speed of asteroid's shadow [km/s]: 8.5456 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of HIP 25392 by 1120 Cannonia on 2024 Dec 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 145 0 0 - 8 13 22 8 39 52.5 0 74 -3 - 8 10 25 - 8 16 20 - 8 8 58 - 8 17 47 .... 146 0 0 - 7 56 38 8 39 52.3 1 74 -4 - 7 53 41 - 7 59 36 - 7 52 14 - 8 1 3 0.03 147 0 0 - 7 39 55 8 39 51.8 2 74 -5 - 7 36 58 - 7 42 52 - 7 35 30 - 7 44 20 0.08 148 0 0 - 7 23 13 8 39 51.1 3 74 -6 - 7 20 15 - 7 26 10 - 7 18 48 - 7 27 37 0.10 149 0 0 - 7 6 31 8 39 50.2 5 74 -7 - 7 3 34 - 7 9 29 - 7 2 7 - 7 10 56 0.11 150 0 0 - 6 49 52 8 39 49.0 6 74 -8 - 6 46 55 - 6 52 49 - 6 45 27 - 6 54 16 0.12 151 0 0 - 6 33 14 8 39 47.6 7 74 -9 - 6 30 17 - 6 36 11 - 6 28 50 - 6 37 39 0.12 152 0 0 - 6 16 39 8 39 46.0 8 73 -10 - 6 13 42 - 6 19 36 - 6 12 14 - 6 21 3 0.13 153 0 0 - 6 0 6 8 39 44.1 9 73 -11 - 5 57 9 - 6 3 3 - 5 55 42 - 6 4 31 0.13 154 0 0 - 5 43 36 8 39 41.9 10 73 -12 - 5 40 39 - 5 46 33 - 5 39 12 - 5 48 1 0.13 155 0 0 - 5 27 10 8 39 39.6 11 73 -13 - 5 24 13 - 5 30 7 - 5 22 46 - 5 31 34 0.13 156 0 0 - 5 10 47 8 39 37.0 12 73 -14 - 5 7 50 - 5 13 44 - 5 6 23 - 5 15 11 0.14 157 0 0 - 4 54 28 8 39 34.1 13 73 -15 - 4 51 31 - 4 57 25 - 4 50 4 - 4 58 52 0.14 158 0 0 - 4 38 14 8 39 31.1 14 73 -16 - 4 35 17 - 4 41 11 - 4 33 50 - 4 42 38 0.14 159 0 0 - 4 22 4 8 39 27.8 15 73 -17 - 4 19 7 - 4 25 1 - 4 17 40 - 4 26 28 0.14 160 0 0 - 4 5 59 8 39 24.3 16 73 -18 - 4 3 2 - 4 8 55 - 4 1 35 - 4 10 23 0.14 161 0 0 - 3 49 59 8 39 20.5 17 73 -19 - 3 47 2 - 3 52 56 - 3 45 35 - 3 54 23 0.14 162 0 0 - 3 34 5 8 39 16.6 18 73 -20 - 3 31 8 - 3 37 1 - 3 29 41 - 3 38 28 0.14 163 0 0 - 3 18 16 8 39 12.4 19 72 -21 - 3 15 20 - 3 21 13 - 3 13 53 - 3 22 40 0.14 164 0 0 - 3 2 34 8 39 8.0 20 72 -22 - 2 59 37 - 3 5 30 - 2 58 10 - 3 6 57 0.14 165 0 0 - 2 46 58 8 39 3.4 21 72 -23 - 2 44 2 - 2 49 54 - 2 42 35 - 2 51 21 0.14 166 0 0 - 2 31 29 8 38 58.5 22 72 -24 - 2 28 32 - 2 34 25 - 2 27 6 - 2 35 52 0.14 167 0 0 - 2 16 6 8 38 53.5 23 72 -25 - 2 13 10 - 2 19 2 - 2 11 43 - 2 20 29 0.14 168 0 0 - 2 0 51 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0 0 1 4 30 8 37 22.0 37 71 -39 1 7 25 1 1 35 1 8 51 1 0 9 0.14 -178 0 0 1 17 38 8 37 14.1 38 71 -40 1 20 32 1 14 43 1 21 58 1 13 17 0.14 -177 0 0 1 30 35 8 37 6.1 39 71 -41 1 33 29 1 27 40 1 34 55 1 26 14 0.14 -176 0 0 1 43 21 8 36 57.9 40 71 -41 1 46 15 1 40 27 1 47 41 1 39 1 0.14 -175 0 0 1 55 56 8 36 49.5 41 71 -42 1 58 50 1 53 2 2 0 16 1 51 36 0.14 -174 0 0 2 8 20 8 36 40.9 42 71 -43 2 11 14 2 5 26 2 12 40 2 4 0 0.14 -173 0 0 2 20 32 8 36 32.2 43 71 -44 2 23 26 2 17 38 2 24 52 2 16 12 0.14 -172 0 0 2 32 33 8 36 23.4 44 71 -45 2 35 27 2 29 39 2 36 53 2 28 13 0.14 -171 0 0 2 44 22 8 36 14.4 45 71 -46 2 47 16 2 41 28 2 48 41 2 40 3 0.14 -170 0 0 2 55 59 8 36 5.3 46 71 -47 2 58 53 2 53 6 3 0 18 2 51 40 0.14 -169 0 0 3 7 24 8 35 56.0 47 71 -48 3 10 18 3 4 31 3 11 43 3 3 5 0.14 -168 0 0 3 18 37 8 35 46.6 48 71 -49 3 21 30 3 15 44 3 22 56 3 14 18 0.14 -167 0 0 3 29 37 8 35 37.1 49 70 -50 3 32 31 3 26 44 3 33 56 3 25 19 0.14 -166 0 0 3 40 25 8 35 27.4 49 70 -51 3 43 18 3 37 32 3 44 44 3 36 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6 34 18 6 25 46 0.14 - 96 0 0 6 23 47 8 21 55.4 62 291 -56 6 26 39 6 20 56 6 28 3 6 19 31 0.14 - 95 0 0 6 17 18 8 21 44.4 61 291 -55 6 20 9 6 14 27 6 21 34 6 13 2 0.14 - 94 0 0 6 10 34 8 21 33.5 60 291 -54 6 13 26 6 7 43 6 14 50 6 6 18 0.14 - 93 0 0 6 3 36 8 21 22.7 59 290 -53 6 6 28 6 0 45 6 7 52 5 59 20 0.14 - 92 0 0 5 56 24 8 21 11.9 58 290 -52 5 59 15 5 53 32 6 0 40 5 52 7 0.14 - 91 0 0 5 48 57 8 21 1.3 57 290 -51 5 51 49 5 46 5 5 53 13 5 44 40 0.14 - 90 0 0 5 41 16 8 20 50.7 56 290 -50 5 44 8 5 38 24 5 45 33 5 36 59 0.14 - 89 0 0 5 33 21 8 20 40.3 55 289 -50 5 36 13 5 30 29 5 37 38 5 29 4 0.14 - 88 0 0 5 25 12 8 20 29.9 54 289 -49 5 28 4 5 22 20 5 29 29 5 20 55 0.14 - 87 0 0 5 16 49 8 20 19.7 53 289 -48 5 19 41 5 13 56 5 21 6 5 12 31 0.14 - 86 0 0 5 8 12 8 20 9.6 52 289 -47 5 11 4 5 5 19 5 12 29 5 3 54 0.14 - 85 0 0 4 59 21 8 19 59.6 51 289 -46 5 2 13 4 56 28 5 3 38 4 55 3 0.14 - 84 0 0 4 50 16 8 19 49.7 51 289 -45 4 53 9 4 47 24 4 54 34 4 45 59 0.14 - 83 0 0 4 40 58 8 19 40.0 50 289 -44 4 43 51 4 38 6 4 45 16 4 36 40 0.14 - 82 0 0 4 31 26 8 19 30.3 49 288 -43 4 34 19 4 28 34 4 35 44 4 27 9 0.14 - 81 0 0 4 21 41 8 19 20.8 48 288 -42 4 24 34 4 18 49 4 25 59 4 17 23 0.14 - 80 0 0 4 11 43 8 19 11.4 47 288 -41 4 14 36 4 8 50 4 16 1 4 7 25 0.14 - 79 0 0 4 1 32 8 19 2.2 46 288 -40 4 4 25 3 58 39 4 5 50 3 57 13 0.14 - 78 0 0 3 51 7 8 18 53.1 45 288 -39 3 54 0 3 48 14 3 55 26 3 46 49 0.14 - 77 0 0 3 40 30 8 18 44.1 44 288 -38 3 43 23 3 37 37 3 44 48 3 36 11 0.14 - 76 0 0 3 29 40 8 18 35.3 43 288 -38 3 32 33 3 26 46 3 33 59 3 25 21 0.14 - 75 0 0 3 18 37 8 18 26.6 42 288 -37 3 21 30 3 15 43 3 22 56 3 14 18 0.14 - 74 0 0 3 7 21 8 18 18.1 41 288 -36 3 10 15 3 4 28 3 11 41 3 3 2 0.14 - 73 0 0 2 55 54 8 18 9.7 40 288 -35 2 58 47 2 53 0 3 0 13 2 51 34 0.14 - 72 0 0 2 44 14 8 18 1.5 39 288 -34 2 47 7 2 41 20 2 48 33 2 39 54 0.14 - 71 0 0 2 32 22 8 17 53.4 38 288 -33 2 35 16 2 29 28 2 36 41 2 28 2 0.15 - 70 0 0 2 20 18 8 17 45.5 37 288 -32 2 23 12 2 17 24 2 24 37 2 15 58 0.15 - 69 0 0 2 8 2 8 17 37.8 36 288 -31 2 10 56 2 5 8 2 12 22 2 3 42 0.15 - 68 0 0 1 55 35 8 17 30.3 35 288 -30 1 58 29 1 52 40 1 59 55 1 51 14 0.15 - 67 0 0 1 42 56 8 17 22.9 34 288 -29 1 45 50 1 40 2 1 47 16 1 38 35 0.15 - 66 0 0 1 30 6 8 17 15.7 33 288 -28 1 33 0 1 27 11 1 34 26 1 25 45 0.15 - 65 0 0 1 17 5 8 17 8.6 32 288 -27 1 20 0 1 14 10 1 21 26 1 12 44 0.15 - 64 0 0 1 3 53 8 17 1.8 31 287 -26 1 6 48 1 0 58 1 8 14 0 59 32 0.15 - 63 0 0 0 50 31 8 16 55.1 30 287 -25 0 53 25 0 47 36 0 54 52 0 46 10 0.15 - 62 0 0 0 36 58 8 16 48.6 29 287 -24 0 39 53 0 34 3 0 41 19 0 32 36 0.15 - 61 0 0 0 23 14 8 16 42.4 28 287 -23 0 26 10 0 20 19 0 27 36 0 18 53 0.15 - 60 0 0 0 9 21 8 16 36.3 27 287 -22 0 12 16 0 6 26 0 13 43 0 5 0 0.15 - 59 0 0 - 0 4 42 8 16 30.4 26 287 -21 - 0 1 47 - 0 7 37 - 0 0 20 - 0 9 4 0.15 - 58 0 0 - 0 18 55 8 16 24.7 25 287 -20 - 0 15 59 - 0 21 50 - 0 14 33 - 0 23 16 0.15 - 57 0 0 - 0 33 17 8 16 19.2 24 287 -19 - 0 30 21 - 0 36 12 - 0 28 55 - 0 37 39 0.15 - 56 0 0 - 0 47 48 8 16 13.9 23 287 -18 - 0 44 52 - 0 50 43 - 0 43 26 - 0 52 10 0.15 - 55 0 0 - 1 2 28 8 16 8.8 22 287 -17 - 0 59 32 - 1 5 23 - 0 58 5 - 1 6 50 0.15 - 54 0 0 - 1 17 16 8 16 3.9 21 287 -16 - 1 14 21 - 1 20 12 - 1 12 54 - 1 21 39 0.15 - 53 0 0 - 1 32 13 8 15 59.3 20 287 -15 - 1 29 18 - 1 35 9 - 1 27 51 - 1 36 36 0.15 - 52 0 0 - 1 47 19 8 15 54.8 19 287 -14 - 1 44 23 - 1 50 15 - 1 42 56 - 1 51 42 0.15 - 51 0 0 - 2 2 32 8 15 50.6 18 287 -13 - 1 59 36 - 2 5 28 - 1 58 9 - 2 6 55 0.15 - 50 0 0 - 2 17 52 8 15 46.6 17 287 -12 - 2 14 56 - 2 20 49 - 2 13 29 - 2 22 16 0.15 - 49 0 0 - 2 33 20 8 15 42.8 16 287 -11 - 2 30 24 - 2 36 17 - 2 28 57 - 2 37 44 0.15 - 48 0 0 - 2 48 56 8 15 39.2 15 287 -10 - 2 45 59 - 2 51 52 - 2 44 32 - 2 53 19 0.15 - 47 0 0 - 3 4 37 8 15 35.9 14 287 -9 - 3 1 41 - 3 7 34 - 3 0 14 - 3 9 1 0.15 - 46 0 0 - 3 20 26 8 15 32.7 13 287 -8 - 3 17 29 - 3 23 22 - 3 16 2 - 3 24 49 0.15 - 45 0 0 - 3 36 20 8 15 29.9 12 287 -7 - 3 33 23 - 3 39 17 - 3 31 56 - 3 40 44 0.15 - 44 0 0 - 3 52 20 8 15 27.2 11 287 -6 - 3 49 24 - 3 55 17 - 3 47 57 - 3 56 44 0.15 - 43 0 0 - 4 8 26 8 15 24.8 10 287 -5 - 4 5 30 - 4 11 23 - 4 4 2 - 4 12 50 0.15 - 42 0 0 - 4 24 37 8 15 22.6 9 286 -4 - 4 21 41 - 4 27 34 - 4 20 13 - 4 29 1 0.15 - 41 0 0 - 4 40 54 8 15 20.6 8 286 -3 - 4 37 57 - 4 43 50 - 4 36 29 - 4 45 18 0.15 - 40 0 0 - 4 57 14 8 15 18.9 7 286 -2 - 4 54 17 - 5 0 11 - 4 52 50 - 5 1 38 0.15 - 39 0 0 - 5 13 39 8 15 17.4 6 286 -1 - 5 10 42 - 5 16 36 - 5 9 15 - 5 18 4 0.15 - 38 0 0 - 5 30 8 8 15 16.2 5 286 0 - 5 27 11 - 5 33 5 - 5 25 44 - 5 34 33 0.15 - 37 0 0 - 5 46 41 8 15 15.2 4 286 1 - 5 43 44 - 5 49 38 - 5 42 16 - 5 51 5 0.15 - 36 0 0 - 6 3 17 8 15 14.5 3 286 2 - 6 0 20 - 6 6 14 - 5 58 52 - 6 7 41 0.14 - 35 0 0 - 6 19 56 8 15 14.0 2 286 3 - 6 16 58 - 6 22 53 - 6 15 31 - 6 24 20 0.14 - 34 0 0 - 6 36 37 8 15 13.7 1 286 4 - 6 33 40 - 6 39 34 - 6 32 12 - 6 41 2 0.12 Uncertainty in time = +/- 2 secs Prediction of 2023 Jul 15.7 Data for the target star ------------------------ * name: HIP 25392 * constellation : Orion * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 05 25 54.3559 DE: +15 27 13.767 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 05 25 54.3559 DE: +15 27 13.767 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.400,0.300) * V mag [mag]: 7.5 * B mag [mag]: 7.5 * Diameter [mas]: 0.10 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (1120) Cannonia asteroid class: approx. diameter [km]: 10 approx. diameter ["]: 0.014 distance from Earth [AU]: 1.03470 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#55 date of fit: 2023 Apr 24 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): 0.027", 0.003", 84.67° remarks: * orbital elements for (1120)Cannonia : Mean anomaly = 46.7822007626 deg Arg. of pericenter = 219.8920338112 deg Long. of node = 158.5960531544 deg Inclination = 4.0506171224 deg Eccentricity = 0.1556075733 Semimajor axis = 2.2167959879 AU Perihelion dist = 1.8718457437 AU Mag: H = 12.04, G = 0.15 Epoch of elements : MJD 60654.35246659 TDT (2024 Dec 10.3525) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#552023Apr24,1.21,2024,12,10,8.459197,0.001882,-0.135549,-4.822894,-0.067436,-0.000321,0.000718,0.000001,0.000000 -124.6108,15.4767,51.35,-22.96,False HIP 25392,5.43176553,15.4538243,7.51,7.52,7.53,0.1,0,,5.45596739,15.4767060,6.48,6.02,0,0,0 1120,Cannonia,14.00,10.371,1.0347,0,0,-2.835,-0.57,,0.8,0 0,46.6769,2024,12,10,219.8920,158.5961,4.0506,0.15561,2.21680,1.87185,12.03,5.0,0.15 1.247,0.0270,0.0027,85,0.0034,Known errors,1.17,0,-1,-1 20241210__25392,60140.73 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 17:37 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org