IOTA/IOTA-ES occultation update for (4480) Nikitibotania / UCAC4 496-057100 event on 2024 Nov 18, 17:51 UT Visible from Summary ------- On 2024 Nov 18 UT, the 9.344 km diameter asteroid (4480) Nikitibotania will occult a 11.9 mag star in the constellation Leo 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 19.27 mag (the magnitude of the asteroid) for at most 0.370 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 Nov 18, 17:47 - 2024 Nov 18, 17:56 * geocentric midpoint of event [JD]: 2460633.24426542 * magnitude of target star: 11.93 * magnitude drop [mag]: 7.34 * estimated maximum duration [s]: 0.370 * Moon: 89 % sunlit, 68° distance * Sun: 72° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 9 * 1 sigma uncertainty interval [path widths]: +/- 0.43 * 1 sigma uncertainty interval [seconds]: +/- 1.2 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.015, +/- 0.007) * 1 sigma uncertainty ellipse (major, minor, PA): (0.016", 0.002", 113°) * approx speed of asteroid's shadow [km/s]: 24.9462 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of UCAC4 496-057100 by 4480 Nikitibotania on 2024 Nov 18 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 108 0 0 26 27 29 17 47 30.7 1 80 -72 26 24 54 26 30 4 26 22 41 26 32 17 .... 109 0 0 26 36 46 17 47 30.8 1 81 -71 26 34 11 26 39 21 26 31 58 26 41 33 -0.12 110 0 0 26 45 42 17 47 30.9 2 81 -70 26 43 7 26 48 17 26 40 54 26 50 29 -0.12 111 0 0 26 54 17 17 47 31.1 3 81 -69 26 51 43 26 56 52 26 49 30 26 59 5 -0.12 112 0 0 27 2 32 17 47 31.4 4 82 -68 26 59 58 27 5 7 26 57 45 27 7 19 -0.12 113 0 0 27 10 27 17 47 31.7 5 82 -67 27 7 52 27 13 1 27 5 40 27 15 14 -0.12 114 0 0 27 18 1 17 47 32.1 6 83 -66 27 15 26 27 20 35 27 13 14 27 22 47 -0.12 115 0 0 27 25 14 17 47 32.5 7 83 -65 27 22 40 27 27 48 27 20 27 27 30 0 -0.12 116 0 0 27 32 6 17 47 33.0 8 84 -64 27 29 32 27 34 40 27 27 20 27 36 52 -0.12 117 0 0 27 38 38 17 47 33.6 9 84 -63 27 36 4 27 41 12 27 33 52 27 43 24 -0.12 118 0 0 27 44 49 17 47 34.2 10 85 -63 27 42 15 27 47 22 27 40 3 27 49 34 -0.11 119 0 0 27 50 39 17 47 34.9 10 85 -62 27 48 5 27 53 12 27 45 53 27 55 24 -0.11 120 0 0 27 56 8 17 47 35.7 11 86 -61 27 53 34 27 58 42 27 51 23 28 0 53 -0.11 121 0 0 28 1 16 17 47 36.5 12 86 -60 27 58 43 28 3 50 27 56 31 28 6 1 -0.11 122 0 0 28 6 4 17 47 37.4 13 87 -59 28 3 30 28 8 37 28 1 19 28 10 49 -0.11 123 0 0 28 10 30 17 47 38.3 14 87 -58 28 7 57 28 13 4 28 5 46 28 15 15 -0.11 124 0 0 28 14 36 17 47 39.3 15 88 -57 28 12 3 28 17 9 28 9 52 28 19 21 -0.11 125 0 0 28 18 21 17 47 40.4 16 88 -56 28 15 48 28 20 54 28 13 36 28 23 5 -0.11 126 0 0 28 21 44 17 47 41.5 17 89 -55 28 19 11 28 24 18 28 17 0 28 26 29 -0.11 127 0 0 28 24 47 17 47 42.6 18 89 -55 28 22 14 28 27 20 28 20 3 28 29 31 -0.11 128 0 0 28 27 29 17 47 43.9 18 89 -54 28 24 56 28 30 2 28 22 45 28 32 13 -0.11 129 0 0 28 29 50 17 47 45.2 19 90 -53 28 27 17 28 32 23 28 25 6 28 34 34 -0.11 130 0 0 28 31 49 17 47 46.5 20 90 -52 28 29 17 28 34 22 28 27 6 28 36 33 -0.11 131 0 0 28 33 28 17 47 47.9 21 91 -51 28 30 55 28 36 1 28 28 44 28 38 12 -0.11 132 0 0 28 34 46 17 47 49.4 22 91 -50 28 32 13 28 37 18 28 30 2 28 39 29 -0.11 133 0 0 28 35 42 17 47 50.9 23 92 -49 28 33 9 28 38 15 28 30 58 28 40 26 -0.11 134 0 0 28 36 17 17 47 52.4 24 92 -48 28 33 45 28 38 50 28 31 34 28 41 1 -0.11 135 0 0 28 36 32 17 47 54.1 25 93 -48 28 33 59 28 39 4 28 31 48 28 41 15 -0.11 136 0 0 28 36 25 17 47 55.7 25 93 -47 28 33 52 28 38 58 28 31 41 28 41 8 -0.11 137 0 0 28 35 57 17 47 57.5 26 94 -46 28 33 24 28 38 30 28 31 13 28 40 40 -0.11 138 0 0 28 35 8 17 47 59.3 27 94 -45 28 32 35 28 37 40 28 30 24 28 39 51 -0.11 139 0 0 28 33 57 17 48 1.1 28 95 -44 28 31 24 28 36 30 28 29 13 28 38 41 -0.11 140 0 0 28 32 26 17 48 3.0 29 95 -43 28 29 53 28 34 58 28 27 42 28 37 9 -0.11 141 0 0 28 30 33 17 48 5.0 30 96 -42 28 28 0 28 33 6 28 25 49 28 35 17 -0.11 142 0 0 28 28 19 17 48 7.0 31 96 -41 28 25 46 28 30 52 28 23 35 28 33 3 -0.11 143 0 0 28 25 44 17 48 9.1 32 97 -40 28 23 11 28 28 17 28 21 0 28 30 28 -0.11 144 0 0 28 22 47 17 48 11.2 33 98 -40 28 20 14 28 25 20 28 18 3 28 27 31 -0.11 145 0 0 28 19 29 17 48 13.4 33 98 -39 28 16 56 28 22 3 28 14 45 28 24 14 -0.11 146 0 0 28 15 50 17 48 15.6 34 99 -38 28 13 17 28 18 24 28 11 6 28 20 35 -0.11 147 0 0 28 11 50 17 48 17.9 35 99 -37 28 9 17 28 14 23 28 7 6 28 16 35 -0.11 148 0 0 28 7 29 17 48 20.2 36 100 -36 28 4 55 28 10 2 28 2 44 28 12 13 -0.11 149 0 0 28 2 46 17 48 22.6 37 100 -35 28 0 12 28 5 19 27 58 1 28 7 31 -0.11 150 0 0 27 57 42 17 48 25.1 38 101 -34 27 55 8 28 0 15 27 52 57 28 2 27 -0.11 151 0 0 27 52 16 17 48 27.6 39 101 -33 27 49 43 27 54 50 27 47 31 27 57 1 -0.11 152 0 0 27 46 29 17 48 30.1 40 102 -32 27 43 56 27 49 3 27 41 44 27 51 15 -0.11 153 0 0 27 40 21 17 48 32.8 41 102 -32 27 37 48 27 42 55 27 35 36 27 45 7 -0.11 154 0 0 27 33 52 17 48 35.4 41 103 -31 27 31 18 27 36 26 27 29 6 27 38 38 -0.11 155 0 0 27 27 1 17 48 38.1 42 103 -30 27 24 27 27 29 35 27 22 15 27 31 47 -0.11 156 0 0 27 19 49 17 48 40.9 43 104 -29 27 17 15 27 22 24 27 15 3 27 24 36 -0.11 157 0 0 27 12 16 17 48 43.7 44 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56 282 50 2 50 12 2 55 42 2 47 50 2 58 4 -0.12 -125 0 0 2 28 35 17 54 8.8 55 282 51 2 25 50 2 31 20 2 23 28 2 33 42 -0.12 -124 0 0 2 4 19 17 54 12.8 54 283 52 2 1 34 2 7 4 1 59 13 2 9 25 -0.12 -123 0 0 1 40 9 17 54 16.7 53 283 53 1 37 25 1 42 54 1 35 3 1 45 16 -0.12 -122 0 0 1 16 7 17 54 20.6 52 283 54 1 13 22 1 18 52 1 11 1 1 21 13 -0.12 -121 0 0 0 52 12 17 54 24.4 51 283 55 0 49 28 0 54 57 0 47 7 0 57 18 -0.12 -120 0 0 0 28 26 17 54 28.1 49 283 56 0 25 41 0 31 11 0 23 21 0 33 32 -0.12 -119 0 0 0 4 49 17 54 31.8 48 284 57 0 2 4 0 7 33 - 0 0 17 0 9 54 -0.12 -118 0 0 - 0 18 40 17 54 35.4 47 284 58 - 0 21 24 - 0 15 55 - 0 23 45 - 0 13 35 -0.12 -117 0 0 - 0 41 58 17 54 39.0 46 284 59 - 0 44 42 - 0 39 14 - 0 47 2 - 0 36 53 -0.12 -116 0 0 - 1 5 5 17 54 42.5 45 284 60 - 1 7 49 - 1 2 21 - 1 10 10 - 1 0 1 -0.12 -115 0 0 - 1 28 2 17 54 45.9 44 284 61 - 1 30 46 - 1 25 18 - 1 33 6 - 1 22 58 -0.12 -114 0 0 - 1 50 47 17 54 49.2 43 284 62 - 1 53 31 - 1 48 3 - 1 55 51 - 1 45 43 -0.12 -113 0 0 - 2 13 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-0.13 - 89 0 0 - 9 56 12 17 55 47.6 17 283 80 - 9 58 51 - 9 53 34 -10 1 6 - 9 51 18 -0.13 - 88 0 0 -10 11 38 17 55 48.9 16 282 80 -10 14 16 -10 9 0 -10 16 32 -10 6 45 -0.13 - 87 0 0 -10 26 44 17 55 50.1 15 282 79 -10 29 21 -10 24 6 -10 31 37 -10 21 50 -0.13 - 86 0 0 -10 41 28 17 55 51.2 14 282 79 -10 44 6 -10 38 50 -10 46 21 -10 36 35 -0.13 - 85 0 0 -10 55 52 17 55 52.3 13 282 79 -10 58 29 -10 53 14 -11 0 44 -10 50 59 -0.13 - 84 0 0 -11 9 54 17 55 53.2 12 282 78 -11 12 32 -11 7 17 -11 14 46 -11 5 2 -0.13 - 83 0 0 -11 23 36 17 55 54.1 11 282 78 -11 26 13 -11 20 59 -11 28 27 -11 18 44 -0.13 - 82 0 0 -11 36 56 17 55 54.9 10 281 77 -11 39 32 -11 34 19 -11 41 47 -11 32 4 -0.13 - 81 0 0 -11 49 54 17 55 55.6 9 281 76 -11 52 31 -11 47 18 -11 54 45 -11 45 3 -0.13 - 80 0 0 -12 2 31 17 55 56.3 8 281 76 -12 5 8 -11 59 55 -12 7 22 -11 57 41 -0.14 - 79 0 0 -12 14 46 17 55 56.8 7 281 75 -12 17 23 -12 12 10 -12 19 36 -12 9 56 -0.14 - 78 0 0 -12 26 40 17 55 57.3 6 281 74 -12 29 16 -12 24 4 -12 31 29 -12 21 50 -0.14 - 77 0 0 -12 38 11 17 55 57.7 5 280 73 -12 40 47 -12 35 36 -12 43 1 -12 33 22 -0.15 - 76 0 0 -12 49 21 17 55 58.0 4 280 73 -12 51 57 -12 46 45 -12 54 10 -12 44 32 -0.15 - 75 0 0 -13 0 9 17 55 58.2 3 280 72 -13 2 44 -12 57 33 -13 4 57 -12 55 20 -0.16 - 74 0 0 -13 10 34 17 55 58.4 2 280 71 -13 13 9 -13 7 59 -13 15 22 -13 5 46 -0.19 - 73 0 0 -13 20 37 17 55 58.5 1 279 70 -13 23 13 -13 18 2 -13 25 25 -13 15 49 -0.30 Uncertainty in time = +/- 1 secs Prediction of 2023 Jul 15.7 Data for the target star ------------------------ * name: UCAC4 496-057100 * constellation : Leo * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 11 07 03.7297 DE: +09 11 21.283 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 11 07 03.7299 DE: +09 11 21.282 * position source: Gaia DR3 * standard error: RA,DE [mas]: (0.200,0.100) * V mag [mag]: 11.9 * B mag [mag]: 12.3 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (4480) Nikitibotania asteroid class: approx. diameter [km]: 9 approx. diameter ["]: 0.005 distance from Earth [AU]: 2.54640 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#48 date of fit: 2022 Nov 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): 0.016", 0.002", 113.461° remarks: * orbital elements for (4480)Nikitibotania : Mean anomaly = 80.9989993846 deg Arg. of pericenter = 350.8604472646 deg Long. of node = 50.2909301422 deg Inclination = 3.3934063793 deg Eccentricity = 0.1683443680 Semimajor axis = 2.4309667842 AU Perihelion dist = 2.0217272174 AU Mag: H = 14.22, G = 0.15 Epoch of elements : MJD 60632.74426537 TDT (2024 Nov 18.7443) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#482022Nov25,0.37,2024,11,18,17.862370,0.038927,0.106603,13.226708,-4.828016,-0.004984,0.002205,-0.000001,0.000000 -159.1121,9.0555,-91.60,-19.46,False UCAC4 496-057100,11.11770267,9.1892454,12.31,11.93,11.72,0.0,0,,11.13916415,9.0554747,7.34,7.09,0,0,0 4480,Nikitibotania,19.27,9.344,2.5464,0,0,3.084,-16.68,,0.8,0 0,80.8055,2024,11,18,350.8604,50.2909,3.3934,0.16834,2.43097,2.02173,14.22,5.0,0.15 1.428,0.0160,0.0020,113,0.0022,Known errors,1.16,0,-1,-1 20241118_057100,60140.70 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 16:54 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org