IOTA/IOTA-ES occultation update for (10005) Chernega / TYC 5544-00192-1 event on 2024 Dec 28, 10:47 UT Visible from Summary ------- On 2024 Dec 28 UT, the 9.16528152779262 km diameter asteroid (10005) Chernega will occult a 10.0 mag star in the constellation Virgo for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 9.86 mag to 19.85 mag (the magnitude of the asteroid) for at most 0.400 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 28, 10:43 - 2024 Dec 28, 10:52 * geocentric midpoint of event [JD]: 2460672.94978679 * magnitude of target star: 9.99 * magnitude drop [mag]: 9.86 * estimated maximum duration [s]: 0.400 * Moon: 7 % sunlit, 46° distance * Sun: 75° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 9 * 1 sigma uncertainty interval [path widths]: +/- 0.33 * 1 sigma uncertainty interval [seconds]: +/- 1.1 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.011, +/- 0.005) * 1 sigma uncertainty ellipse (major, minor, PA): (0.012", 0.001", 115°) * approx speed of asteroid's shadow [km/s]: 23.2497 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 5544-00192-1 by 10005 Chernega on 2024 Dec 28 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 -144 0 0 20 0 35 10 43 7.7 0 98 -74 19 58 1 20 3 9 19 56 19 20 4 51 .... -143 0 0 19 52 6 10 43 7.7 1 99 -73 19 49 32 19 54 40 19 47 50 19 56 22 0.07 -142 0 0 19 43 13 10 43 7.9 2 99 -72 19 40 38 19 45 47 19 38 56 19 47 29 0.07 -141 0 0 19 33 55 10 43 8.1 3 99 -72 19 31 20 19 36 30 19 29 38 19 38 12 0.06 -140 0 0 19 24 14 10 43 8.4 4 100 -71 19 21 39 19 26 49 19 19 57 19 28 31 0.06 -139 0 0 19 14 8 10 43 8.8 5 100 -70 19 11 33 19 16 43 19 9 51 19 18 26 0.06 -138 0 0 19 3 39 10 43 9.2 6 100 -69 19 1 4 19 6 14 18 59 21 19 7 57 0.06 -137 0 0 18 52 46 10 43 9.7 7 101 -68 18 50 10 18 55 21 18 48 27 18 57 4 0.06 -136 0 0 18 41 28 10 43 10.4 8 101 -67 18 38 53 18 44 4 18 37 10 18 45 47 0.06 -135 0 0 18 29 47 10 43 11.0 9 101 -66 18 27 11 18 32 23 18 25 28 18 34 6 0.06 -134 0 0 18 17 42 10 43 11.8 10 102 -65 18 15 6 18 20 18 18 13 23 18 22 1 0.06 -133 0 0 18 5 13 10 43 12.7 11 102 -64 18 2 37 18 7 49 18 0 54 18 9 32 0.06 -132 0 0 17 52 20 10 43 13.6 12 102 -63 17 49 44 17 54 57 17 48 0 17 56 40 0.06 -131 0 0 17 39 4 10 43 14.6 13 102 -62 17 36 27 17 41 41 17 34 44 17 43 24 0.06 -130 0 0 17 25 24 10 43 15.7 14 103 -61 17 22 47 17 28 1 17 21 3 17 29 44 0.06 -129 0 0 17 11 20 10 43 16.9 15 103 -60 17 8 43 17 13 57 17 6 59 17 15 41 0.06 -128 0 0 16 56 53 10 43 18.1 16 103 -59 16 54 16 16 59 31 16 52 32 17 1 14 0.06 -127 0 0 16 42 2 10 43 19.5 17 104 -58 16 39 25 16 44 40 16 37 41 16 46 24 0.06 -126 0 0 16 26 49 10 43 20.9 18 104 -57 16 24 11 16 29 27 16 22 26 16 31 11 0.06 -125 0 0 16 11 11 10 43 22.4 19 104 -56 16 8 33 16 13 50 16 6 49 16 15 34 0.06 -124 0 0 15 55 11 10 43 24.0 20 104 -55 15 52 33 15 57 50 15 50 48 15 59 34 0.06 -123 0 0 15 38 48 10 43 25.7 21 105 -54 15 36 9 15 41 27 15 34 24 15 43 12 0.06 -122 0 0 15 22 2 10 43 27.4 22 105 -53 15 19 23 15 24 41 15 17 38 15 26 26 0.06 -121 0 0 15 4 53 10 43 29.3 23 105 -52 15 2 14 15 7 33 15 0 29 15 9 18 0.06 -120 0 0 14 47 22 10 43 31.2 24 106 -51 14 44 42 14 50 2 14 42 57 14 51 47 0.06 -119 0 0 14 29 28 10 43 33.2 25 106 -50 14 26 49 14 32 8 14 25 3 14 33 54 0.06 -118 0 0 14 11 13 10 43 35.4 26 106 -49 14 8 32 14 13 53 14 6 47 14 15 38 0.06 -117 0 0 13 52 35 10 43 37.5 27 106 -48 13 49 54 13 55 15 13 48 9 13 57 1 0.06 -116 0 0 13 33 35 10 43 39.8 28 106 -47 13 30 55 13 36 16 13 29 9 13 38 2 0.06 -115 0 0 13 14 14 10 43 42.2 29 107 -46 13 11 33 13 16 55 13 9 47 13 18 41 0.06 -114 0 0 12 54 32 10 43 44.6 30 107 -45 12 51 51 12 57 13 12 50 4 12 58 59 0.06 -113 0 0 12 34 28 10 43 47.2 31 107 -44 12 31 47 12 37 10 12 30 0 12 38 56 0.06 -112 0 0 12 14 4 10 43 49.8 32 107 -43 12 11 22 12 16 46 12 9 36 12 18 32 0.06 -111 0 0 11 53 19 10 43 52.5 33 107 -42 11 50 37 11 56 1 11 48 50 11 57 48 0.06 -110 0 0 11 32 14 10 43 55.3 34 108 -41 11 29 32 11 34 57 11 27 45 11 36 44 0.06 -109 0 0 11 10 49 10 43 58.2 35 108 -40 11 8 7 11 13 32 11 6 20 11 15 19 0.06 -108 0 0 10 49 5 10 44 1.2 36 108 -38 10 46 22 10 51 48 10 44 35 10 53 35 0.06 -107 0 0 10 27 1 10 44 4.2 37 108 -37 10 24 18 10 29 44 10 22 31 10 31 32 0.06 -106 0 0 10 4 39 10 44 7.4 39 108 -36 10 1 56 10 7 22 10 0 8 10 9 10 0.06 -105 0 0 9 41 58 10 44 10.6 40 108 -35 9 39 14 9 44 42 9 37 26 9 46 30 0.06 -104 0 0 9 18 59 10 44 13.9 41 109 -34 9 16 15 9 21 43 9 14 27 9 23 31 0.06 -103 0 0 8 55 42 10 44 17.3 42 109 -33 8 52 58 8 58 27 8 51 10 9 0 15 0.06 -102 0 0 8 32 9 10 44 20.7 43 109 -32 8 29 24 8 34 53 8 27 36 8 36 41 0.06 -101 0 0 8 8 18 10 44 24.3 44 109 -31 8 5 33 8 11 3 8 3 45 8 12 51 0.06 -100 0 0 7 44 11 10 44 27.9 45 109 -30 7 41 26 7 46 56 7 39 38 7 48 45 0.06 - 99 0 0 7 19 49 10 44 31.6 46 109 -29 7 17 4 7 22 34 7 15 15 7 24 23 0.06 - 98 0 0 6 55 11 10 44 35.4 47 109 -28 6 52 25 6 57 56 6 50 36 6 59 45 0.06 - 97 0 0 6 30 18 10 44 39.3 48 109 -27 6 27 32 6 33 4 6 25 43 6 34 53 0.06 - 96 0 0 6 5 11 10 44 43.2 49 109 -26 6 2 25 6 7 57 6 0 36 6 9 46 0.06 - 95 0 0 5 39 51 10 44 47.2 50 109 -24 5 37 5 5 42 36 5 35 15 5 44 26 0.06 - 94 0 0 5 14 17 10 44 51.3 51 109 -23 5 11 31 5 17 3 5 9 41 5 18 53 0.05 - 93 0 0 4 48 31 10 44 55.4 53 109 -22 4 45 44 4 51 17 4 43 55 4 53 7 0.05 - 92 0 0 4 22 33 10 44 59.7 54 109 -21 4 19 46 4 25 19 4 17 56 4 27 9 0.05 - 91 0 0 3 56 23 10 45 4.0 55 109 -20 3 53 37 3 59 10 3 51 47 4 1 0 0.05 - 90 0 0 3 30 3 10 45 8.3 56 109 -19 3 27 17 3 32 50 3 25 27 3 34 40 0.05 - 89 0 0 3 3 34 10 45 12.7 57 109 -18 3 0 47 3 6 21 2 58 56 3 8 11 0.05 - 88 0 0 2 36 54 10 45 17.2 58 109 -17 2 34 7 2 39 41 2 32 17 2 41 32 0.05 - 87 0 0 2 10 6 10 45 21.8 59 109 -16 2 7 19 2 12 54 2 5 29 2 14 44 0.05 - 86 0 0 1 43 11 10 45 26.4 60 109 -15 1 40 23 1 45 58 1 38 33 1 47 48 0.05 - 85 0 0 1 16 7 10 45 31.0 61 109 -13 1 13 20 1 18 55 1 11 29 1 20 45 0.05 - 84 0 0 0 48 58 10 45 35.8 63 108 -12 0 46 10 0 51 45 0 44 20 0 53 36 0.05 - 83 0 0 0 21 42 10 45 40.5 64 108 -11 0 18 55 0 24 30 0 17 4 0 26 21 0.05 - 82 0 0 - 0 5 38 10 45 45.3 65 108 -10 - 0 8 26 - 0 2 51 - 0 10 17 - 0 1 0 0.05 - 81 0 0 - 0 33 3 10 45 50.2 66 108 -9 - 0 35 51 - 0 30 15 - 0 37 42 - 0 28 25 0.05 - 80 0 0 - 1 0 32 10 45 55.1 67 107 -8 - 1 3 20 - 0 57 44 - 1 5 11 - 0 55 53 0.05 - 79 0 0 - 1 28 3 10 46 0.1 68 107 -7 - 1 30 51 - 1 25 15 - 1 32 42 - 1 23 25 0.05 - 78 0 0 - 1 55 37 10 46 5.1 69 107 -6 - 1 58 25 - 1 52 49 - 2 0 16 - 1 50 58 0.05 - 77 0 0 - 2 23 12 10 46 10.1 70 106 -4 - 2 26 0 - 2 20 24 - 2 27 51 - 2 18 33 0.05 - 76 0 0 - 2 50 47 10 46 15.1 71 106 -3 - 2 53 36 - 2 47 59 - 2 55 26 - 2 46 9 0.05 - 75 0 0 - 3 18 23 10 46 20.2 73 105 -2 - 3 21 11 - 3 15 35 - 3 23 2 - 3 13 44 0.05 - 74 0 0 - 3 45 57 10 46 25.4 74 105 -1 - 3 48 45 - 3 43 9 - 3 50 36 - 3 41 19 0.05 - 73 0 0 - 4 13 30 10 46 30.5 75 104 0 - 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1800 Jan 01 1 sigma uncertainty ellipse (major, minor, PA): 0.012", 0.001", 114.775° remarks: * orbital elements for (10005)Chernega : Mean anomaly = 207.8641821637 deg Arg. of pericenter = 322.2757063354 deg Long. of node = 21.0089641553 deg Inclination = 3.3968789729 deg Eccentricity = 0.2127287208 Semimajor axis = 2.3324939857 AU Perihelion dist = 1.8363055239 AU Mag: H = 14.33, G = 0.15 Epoch of elements : MJD 60672.44978713 TDT (2024 Dec 28.4498) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#452023Feb10,0.40,2024,12,28,10.794883,-0.018827,-0.044790,12.087323,-5.109257,-0.005349,0.002175,0.000000,0.000000 -58.3373,-7.6702,18.52,-23.24,False TYC 5544-00192-1,13.37741189,-7.5398359,10.58,9.99,9.67,0.1,0,,13.39907627,-7.6702139,9.86,9.73,0,0,0 10005,Chernega,19.85,9.374,2.8778,0,0,2.486,-15.62,,0.8,0 0,207.7397,2024,12,28,322.2757,21.0090,3.3969,0.21273,2.33249,1.83631,14.33,5.0,0.15 1.330,0.0123,0.0014,115,0.0015,Known errors,0.88,0,-1,-1 20241228_0192-1,60140.76 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2023 Jul 15, 18:12 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org