IOTA/IOTA-ES occultation update for (5120) Bitias / UCAC4 282-197188 event on 2022 Jun 17, 02:40 UT Visible from Africa, South America Summary ------- On 2022 Jun 17 UT, the 48 km diameter asteroid (5120) Bitias will occult a 12.2 mag star in the constellation Sagittarius for observers along a path across Africa, South America. In the case of an occultation, the combined light of the asteroid and the star will drop by 4.84 mag to 17.02 mag (the magnitude of the asteroid) for at most 3.000 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: 29 * date and approx. time of event: 2022 Jun 17, 02:33 - 2022 Jun 17, 02:47 * geocentric midpoint of event [JD]: 2459747.61159609 * magnitude of target star: 12.19 * magnitude drop [mag]: 4.84 * estimated maximum duration [s]: 3.000 * Moon: 90 % sunlit, 23° distance * Sun: 162° distance * rough path description: Africa, South America The occultation path -------------------- * approximate projected width [km]: 48 * 1 sigma uncertainty interval [path widths]: +/- 2.35 * 1 sigma uncertainty interval [seconds]: +/- 8.5 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.055, +/- 0.031) * 1 sigma uncertainty ellipse (major, minor, PA): (0.063", 0.004", 61°) * approx speed of asteroid's shadow [km/s]: 15.9941 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of UCAC4 282-197188 by 5120 Bitias on 2022 Jun 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 -106 0 0 12 41 16 2 47 19.0 0 125 -17 .. .. .. 12 25 22 .. .. .. 11 10 40 .... -105 0 0 12 0 24 2 47 18.9 1 125 -19 12 16 19 11 44 29 13 31 23 10 29 42 0.09 -104 0 0 11 19 18 2 47 18.7 2 125 -20 11 35 14 11 3 22 12 50 23 9 48 30 0.00 -103 0 0 10 37 59 2 47 18.2 4 125 -21 10 53 56 10 22 2 12 9 8 9 7 5 -0.03 -102 0 0 9 56 27 2 47 17.6 5 125 -22 10 12 25 9 40 30 11 27 41 8 25 30 -0.05 -101 0 0 9 14 46 2 47 16.8 6 126 -23 9 30 44 8 58 47 10 46 3 7 43 45 -0.06 -100 0 0 8 32 55 2 47 15.9 7 126 -25 8 48 54 8 16 56 10 4 15 7 1 52 -0.06 - 99 0 0 7 50 57 2 47 14.7 8 126 -26 8 6 56 7 34 58 9 22 19 6 19 52 -0.07 - 98 0 0 7 8 53 2 47 13.4 10 126 -27 7 24 52 6 52 54 8 40 16 5 37 47 -0.07 - 97 0 0 6 26 44 2 47 11.9 11 126 -28 6 42 44 6 10 45 7 58 7 4 55 38 -0.07 - 96 0 0 5 44 33 2 47 10.2 12 126 -29 6 0 32 5 28 34 7 15 55 4 13 28 -0.08 - 95 0 0 5 2 20 2 47 8.4 13 126 -31 5 18 19 4 46 21 6 33 41 3 31 17 -0.08 - 94 0 0 4 20 7 2 47 6.3 14 126 -32 4 36 6 4 4 9 5 51 25 2 49 6 -0.08 - 93 0 0 3 37 56 2 47 4.1 16 127 -33 3 53 54 3 21 58 5 9 11 2 6 58 -0.08 - 92 0 0 2 55 48 2 47 1.8 17 127 -34 3 11 46 2 39 51 4 26 59 1 24 54 -0.08 - 91 0 0 2 13 45 2 46 59.2 18 127 -36 2 29 41 1 57 49 3 44 51 0 42 56 -0.08 - 90 0 0 1 31 47 2 46 56.5 19 127 -37 1 47 43 1 15 52 3 2 48 0 1 4 -0.08 - 89 0 0 0 49 57 2 46 53.6 21 127 -38 1 5 52 0 34 3 2 20 51 - 0 40 40 -0.08 - 88 0 0 0 8 17 2 46 50.6 22 127 -39 0 24 10 - 0 7 36 1 39 3 - 1 22 14 -0.09 - 87 0 0 - 0 33 14 2 46 47.4 23 127 -40 - 0 17 22 - 0 49 5 0 57 25 - 2 3 36 -0.09 - 86 0 0 - 1 14 33 2 46 44.1 24 127 -42 - 0 58 42 - 1 30 23 0 15 58 - 2 44 47 -0.09 - 85 0 0 - 1 55 38 2 46 40.6 25 127 -43 - 1 39 49 - 2 11 27 - 0 25 17 - 3 25 43 -0.09 - 84 0 0 - 2 36 30 2 46 36.9 27 127 -44 - 2 20 42 - 2 52 16 - 1 6 18 - 4 6 25 -0.09 - 83 0 0 - 3 17 5 2 46 33.1 28 127 -45 - 3 1 20 - 3 32 50 - 1 47 4 - 4 46 50 -0.09 - 82 0 0 - 3 57 24 2 46 29.2 29 127 -46 - 3 41 40 - 4 13 7 - 2 27 34 - 5 26 58 -0.09 - 81 0 0 - 4 37 24 2 46 25.1 30 127 -47 - 4 21 43 - 4 53 5 - 3 7 46 - 6 6 47 -0.09 - 80 0 0 - 5 17 6 2 46 20.9 31 127 -49 - 5 1 27 - 5 32 44 - 3 47 40 - 6 46 16 -0.09 - 79 0 0 - 5 56 27 2 46 16.6 32 127 -50 - 5 40 50 - 6 12 3 - 4 27 14 - 7 25 24 -0.09 - 78 0 0 - 6 35 26 2 46 12.1 34 126 -51 - 6 19 52 - 6 51 0 - 5 6 26 - 8 4 11 -0.09 - 77 0 0 - 7 14 3 2 46 7.6 35 126 -52 - 6 58 31 - 7 29 35 - 5 45 17 - 8 42 34 -0.09 - 76 0 0 - 7 52 17 2 46 2.9 36 126 -53 - 7 36 47 - 8 7 46 - 6 23 45 - 9 20 34 -0.09 - 75 0 0 - 8 30 6 2 45 58.1 37 126 -54 - 8 14 39 - 8 45 33 - 7 1 49 - 9 58 9 -0.09 - 74 0 0 - 9 7 30 2 45 53.2 38 126 -56 - 8 52 6 - 9 22 54 - 7 39 28 -10 35 18 -0.09 - 73 0 0 - 9 44 28 2 45 48.2 39 126 -57 - 9 29 6 - 9 59 50 - 8 16 41 -11 12 1 -0.09 - 72 0 0 -10 20 59 2 45 43.1 41 126 -58 -10 5 40 -10 36 18 - 8 53 28 -11 48 17 -0.09 - 71 0 0 -10 57 3 2 45 37.9 42 126 -59 -10 41 46 -11 12 19 - 9 29 47 -12 24 4 -0.09 - 70 0 0 -11 32 38 2 45 32.6 43 126 -60 -11 17 24 -11 47 51 -10 5 38 -12 59 24 -0.09 - 69 0 0 -12 7 44 2 45 27.2 44 126 -61 -11 52 33 -12 22 55 -10 41 1 -13 34 14 -0.09 - 68 0 0 -12 42 21 2 45 21.8 45 125 -62 -12 27 13 -12 57 28 -11 15 54 -14 8 34 -0.09 - 67 0 0 -13 16 27 2 45 16.3 46 125 -63 -13 1 22 -13 31 32 -11 50 18 -14 42 24 -0.09 - 66 0 0 -13 50 3 2 45 10.7 47 125 -65 -13 35 1 -14 5 5 -12 24 10 -15 15 43 -0.09 - 65 0 0 -14 23 8 2 45 5.0 48 125 -66 -14 8 9 -14 38 7 -12 57 32 -15 48 31 -0.09 - 64 0 0 -14 55 42 2 44 59.3 49 125 -67 -14 40 45 -15 10 37 -13 30 23 -16 20 47 -0.09 - 63 0 0 -15 27 43 2 44 53.5 50 125 -68 -15 12 50 -15 42 36 -14 2 41 -16 52 31 -0.09 - 62 0 0 -15 59 12 2 44 47.7 51 125 -69 -15 44 22 -16 14 2 -14 34 28 -17 23 43 -0.09 - 61 0 0 -16 30 8 2 44 41.8 53 125 -70 -16 15 21 -16 44 55 -15 5 41 -17 54 23 -0.09 - 60 0 0 -17 0 32 2 44 35.9 54 124 -71 -16 45 48 -17 15 15 -15 36 22 -18 24 29 -0.09 - 59 0 0 -17 30 22 2 44 29.9 55 124 -72 -17 15 41 -17 45 3 -16 6 30 -18 54 2 -0.09 - 58 0 0 -17 59 39 2 44 23.9 56 124 -73 -17 45 1 -18 14 17 -16 36 4 -19 23 2 -0.09 - 57 0 0 -18 28 22 2 44 17.8 57 124 -74 -18 13 47 -18 42 57 -17 5 5 -19 51 28 -0.09 - 56 0 0 -18 56 32 2 44 11.8 58 124 -75 -18 42 0 -19 11 3 -17 33 32 -20 19 20 -0.08 - 55 0 0 -19 24 7 2 44 5.6 59 124 -76 -19 9 39 -19 38 36 -18 1 24 -20 46 39 -0.08 - 54 0 0 -19 51 9 2 43 59.5 60 124 -77 -19 36 43 -20 5 35 -18 28 43 -21 13 24 -0.08 - 53 0 0 -20 17 37 2 43 53.3 61 124 -78 -20 3 14 -20 31 59 -18 55 28 -21 39 35 -0.08 - 52 0 0 -20 43 30 2 43 47.2 62 124 -79 -20 29 10 -20 57 50 -19 21 38 -22 5 12 -0.08 - 51 0 0 -21 8 50 2 43 41.0 63 124 -80 -20 54 32 -21 23 6 -19 47 14 -22 30 14 -0.08 - 50 0 0 -21 33 35 2 43 34.8 64 123 -81 -21 19 20 -21 47 49 -20 12 15 -22 54 43 -0.08 - 49 0 0 -21 57 46 2 43 28.5 65 123 -82 -21 43 34 -22 11 57 -20 36 42 -23 18 38 -0.08 - 48 0 0 -22 21 22 2 43 22.3 66 123 -83 -22 7 14 -22 35 31 -21 0 35 -23 41 59 -0.08 - 47 0 0 -22 44 25 2 43 16.0 67 124 -84 -22 30 19 -22 58 31 -21 23 54 -24 4 46 -0.08 - 46 0 0 -23 6 53 2 43 9.8 68 124 -85 -22 52 50 -23 20 56 -21 46 38 -24 26 59 -0.08 - 45 0 0 -23 28 48 2 43 3.5 69 124 -86 -23 14 47 -23 42 48 -22 8 48 -24 48 38 -0.08 - 44 0 0 -23 50 8 2 42 57.3 69 124 -86 -23 36 11 -24 4 6 -22 30 23 -25 9 43 -0.08 - 43 0 0 -24 10 55 2 42 51.0 70 124 -87 -23 57 0 -24 24 50 -22 51 25 -25 30 15 -0.08 - 42 0 0 -24 31 8 2 42 44.7 71 124 -87 -24 17 15 -24 45 0 -23 11 52 -25 50 14 -0.08 - 41 0 0 -24 50 47 2 42 38.5 72 125 -88 -24 36 57 -25 4 37 -23 31 46 -26 9 39 -0.08 - 40 0 0 -25 9 53 2 42 32.2 73 125 -87 -24 56 5 -25 23 40 -23 51 6 -26 28 31 -0.08 - 39 0 0 -25 28 25 2 42 26.0 74 125 -87 -25 14 40 -25 42 10 -24 9 52 -26 46 49 -0.08 - 38 0 0 -25 46 24 2 42 19.7 75 126 -86 -25 32 41 -26 0 7 -24 28 4 -27 4 35 -0.08 - 37 0 0 -26 3 50 2 42 13.5 76 127 -86 -25 50 9 -26 17 30 -24 45 43 -27 21 48 -0.08 - 36 0 0 -26 20 43 2 42 7.2 77 127 -85 -26 7 4 -26 34 21 -25 2 48 -27 38 28 -0.08 - 35 0 0 -26 37 3 2 42 1.0 77 128 -84 -26 23 26 -26 50 39 -25 19 21 -27 54 35 -0.08 - 34 0 0 -26 52 50 2 41 54.8 78 130 -83 -26 39 16 -27 6 24 -25 35 20 -28 10 10 -0.08 - 33 0 0 -27 8 4 2 41 48.6 79 131 -82 -26 54 32 -27 21 36 -25 50 46 -28 25 13 -0.08 - 32 0 0 -27 22 47 2 41 42.4 80 133 -81 -27 9 16 -27 36 16 -26 5 40 -28 39 44 -0.08 - 31 0 0 -27 36 56 2 41 36.3 81 135 -81 -27 23 28 -27 50 24 -26 20 1 -28 53 43 -0.08 - 30 0 0 -27 50 34 2 41 30.1 81 137 -80 -27 37 8 -28 4 0 -26 33 49 -29 7 10 -0.08 - 29 0 0 -28 3 40 2 41 24.0 82 141 -79 -27 50 15 -28 17 4 -26 47 5 -29 20 5 -0.08 - 28 0 0 -28 16 13 2 41 17.8 83 144 -78 -28 2 51 -28 29 36 -26 59 49 -29 32 29 -0.08 - 27 0 0 -28 28 15 2 41 11.7 83 149 -77 -28 14 54 -28 41 36 -27 12 0 -29 44 22 -0.09 - 26 0 0 -28 39 46 2 41 5.6 84 155 -76 -28 26 26 -28 53 5 -27 23 40 -29 55 43 -0.09 - 25 0 0 -28 50 45 2 40 59.6 84 162 -75 -28 37 27 -29 4 2 -27 34 48 -30 6 33 -0.09 - 24 0 0 -29 1 12 2 40 53.5 85 171 -74 -28 47 56 -29 14 29 -27 45 24 -30 16 52 -0.09 - 23 0 0 -29 11 9 2 40 47.5 85 180 -74 -28 57 54 -29 24 24 -27 55 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0 0 -23 11 23 2 35 25.4 37 244 -21 -22 57 19 -23 25 26 -21 51 2 -24 31 32 -0.09 39 0 0 -22 48 48 2 35 21.4 36 244 -20 -22 34 42 -23 2 55 -21 28 12 -24 9 14 -0.09 40 0 0 -22 25 39 2 35 17.3 35 244 -19 -22 11 29 -22 39 49 -21 4 46 -23 46 21 -0.09 41 0 0 -22 1 55 2 35 13.4 34 243 -18 -21 47 42 -22 16 7 -20 40 45 -23 22 53 -0.09 42 0 0 -21 37 35 2 35 9.5 33 243 -17 -21 23 19 -21 51 50 -20 16 8 -22 58 50 -0.09 43 0 0 -21 12 40 2 35 5.7 32 243 -16 -20 58 21 -21 26 58 -19 50 56 -22 34 12 -0.09 44 0 0 -20 47 10 2 35 2.0 31 242 -15 -20 32 48 -21 1 31 -19 25 8 -22 8 59 -0.09 45 0 0 -20 21 4 2 34 58.4 30 242 -14 -20 6 39 -20 35 28 -18 58 45 -21 43 11 -0.09 46 0 0 -19 54 23 2 34 54.8 29 242 -13 -19 39 55 -20 8 50 -18 31 46 -21 16 47 -0.09 47 0 0 -19 27 6 2 34 51.4 28 241 -12 -19 12 36 -19 41 37 -18 4 12 -20 49 48 -0.09 48 0 0 -18 59 15 2 34 48.0 27 241 -10 -18 44 41 -19 13 48 -17 36 2 -20 22 15 -0.09 49 0 0 -18 30 48 2 34 44.7 26 241 -9 -18 16 11 -18 45 25 -17 7 18 -19 54 6 -0.09 50 0 0 -18 1 46 2 34 41.6 25 240 -8 -17 47 6 -18 16 26 -16 37 58 -19 25 22 -0.09 51 0 0 -17 32 9 2 34 38.5 24 240 -7 -17 17 26 -17 46 52 -16 8 2 -18 56 3 -0.09 52 0 0 -17 1 58 2 34 35.5 23 240 -6 -16 47 11 -17 16 44 -15 37 33 -18 26 10 -0.09 53 0 0 -16 31 12 2 34 32.7 22 240 -5 -16 16 22 -16 46 1 -15 6 28 -17 55 42 -0.09 54 0 0 -15 59 51 2 34 29.9 21 239 -4 -15 44 58 -16 14 44 -14 34 49 -17 24 39 -0.09 55 0 0 -15 27 57 2 34 27.3 20 239 -3 -15 13 0 -15 42 53 -14 2 37 -16 53 3 -0.09 56 0 0 -14 55 29 2 34 24.8 18 239 -2 -14 40 29 -15 10 28 -13 29 50 -16 20 53 -0.09 57 0 0 -14 22 27 2 34 22.4 17 239 -1 -14 7 24 -14 37 29 -12 56 30 -15 48 9 -0.09 58 0 0 -13 48 52 2 34 20.2 16 238 0 -13 33 46 -14 3 58 -12 22 38 -15 14 53 -0.09 59 0 0 -13 14 45 2 34 18.1 15 238 1 -12 59 36 -13 29 54 -11 48 13 -14 41 3 -0.09 60 0 0 -12 40 6 2 34 16.1 14 238 2 -12 24 54 -12 55 17 -11 13 15 -14 6 41 -0.09 61 0 0 -12 4 55 2 34 14.2 13 238 4 -11 49 40 -12 20 10 -10 37 47 -13 31 48 -0.09 62 0 0 -11 29 13 2 34 12.5 12 238 5 -11 13 55 -11 44 31 -10 1 48 -12 56 24 -0.09 63 0 0 -10 53 1 2 34 11.0 11 237 6 -10 37 40 -11 8 22 - 9 25 19 -12 20 28 -0.08 64 0 0 -10 16 19 2 34 9.6 9 237 7 -10 0 55 -10 31 43 - 8 48 20 -11 44 3 -0.08 65 0 0 - 9 39 9 2 34 8.3 8 237 8 - 9 23 42 - 9 54 35 - 8 10 53 -11 7 9 -0.08 66 0 0 - 9 1 30 2 34 7.2 7 237 9 - 8 46 0 - 9 16 59 - 7 32 58 -10 29 46 -0.08 67 0 0 - 8 23 24 2 34 6.3 6 237 10 - 8 7 51 - 8 38 56 - 6 54 36 - 9 51 56 -0.08 68 0 0 - 7 44 51 2 34 5.5 5 237 12 - 7 29 16 - 8 0 26 - 6 15 48 - 9 13 38 -0.07 69 0 0 - 7 5 53 2 34 4.9 4 236 13 - 6 50 15 - 7 21 30 - 5 36 34 - 8 34 55 -0.06 70 0 0 - 6 26 30 2 34 4.5 2 236 14 - 6 10 50 - 6 42 10 - 4 56 57 - 7 55 46 -0.05 71 0 0 - 5 46 44 2 34 4.2 1 236 15 - 5 31 1 - 6 2 26 - 4 16 57 - 7 16 14 0.00 72 0 0 - 5 6 35 2 34 4.1 0 236 16 .. .. .. - 5 22 20 .. .. .. - 6 36 19 2.42 Uncertainty in time = +/- 11 secs Prediction of 2022 Jun 13.8 Data for the target star ------------------------ * name: UCAC4 282-197188 * constellation : Sagittarius * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 18 48 34.3329 DE: -33 43 05.384 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 18 48 34.3329 DE: -33 43 05.384 * position source: Gaia EDR3 * standard error: RA,DE [mas]: (0.100,0.100) * V mag [mag]: 12.2 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (5120) Bitias asteroid class: approx. diameter [km]: 48 approx. diameter ["]: 0.017 distance from Earth [AU]: 3.84010 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#37 date of fit: 2022 Jun 10 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): 0.063", 0.004", 61.008° remarks: * orbital elements for (5120)Bitias : Mean anomaly = 323.8014131319 deg Arg. of pericenter = 24.2094759123 deg Long. of node = 295.9011708712 deg Inclination = 25.0076801616 deg Eccentricity = 0.1122162802 Semimajor axis = 5.2663623859 AU Perihelion dist = 4.6753907889 AU Mag: H = 10.41, G = 0.15 Epoch of elements : MJD 59747.11125000 TDT (2022 Jun 17.1113) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#372022Jun10,3.00,2022,6,17,2.678306,0.014036,0.078780,-8.871681,1.670277,-0.001562,0.000903,0.000001,0.000000 -22.9997,-33.6925,140.05,23.37,False UCAC4 282-197188,18.80953690,-33.7181623,0.00,12.19,0.00,0.0,0,,18.83431229,-33.6924535,4.84,0.00,0,0,0 5120,Bitias,17.02,48.0,3.8401,0,0,-1.627,3.82,,4.8 0,323.7108,2022,6,16,24.2095,295.9012,25.0077,0.11222,5.26636,4.67539,10.33,5.0,0.15 3.353,0.0633,0.0043,61,0.0405,Known errors,-1.00,-1,-1,-1 20220617_197188,59743.84 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2022 Jun 13, 20:16 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org