IOTA/IOTA-ES occultation update for (914) Palisana / TYC 5487-01573-1 event on 2022 Jun 03, 00:02 UT Visible from South America Summary ------- On 2022 Jun 03 UT, the 82 km diameter asteroid (914) Palisana will occult a 11.9 mag star in the constellation Hydra for observers along a path across South America. In the case of an occultation, the combined light of the asteroid and the star will drop by 2.67 mag to 14.43 mag (the magnitude of the asteroid) for at most 3.990 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: 2022 Jun 02, 23:57 - 2022 Jun 03, 00:07 * geocentric midpoint of event [JD]: 2459733.50188829 * magnitude of target star: 11.86 * magnitude drop [mag]: 2.67 * estimated maximum duration [s]: 3.990 * Moon: 11 % sunlit, 54° distance * Sun: 85° distance * rough path description: South America The occultation path -------------------- * approximate projected width [km]: 86 * 1 sigma uncertainty interval [path widths]: +/- 0.17 * 1 sigma uncertainty interval [seconds]: +/- 0.6 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- 0.008, +/- 0.006) * 1 sigma uncertainty ellipse (major, minor, PA): (0.009", 0.004", 125°) * approx speed of asteroid's shadow [km/s]: 20.5620 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 5487-01573-1 by 914 Palisana on 2022 Jun 3 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 161 0 0 -28 2 32 23 57 46.6 - 1 106 37 -28 26 50 -27 38 17 -28 34 58 -27 30 11 .... 162 0 0 -28 18 19 23 57 46.7 - 2 106 37 -28 42 35 -27 54 6 -28 50 43 -27 46 0 0.29 163 0 0 -28 33 52 23 57 46.9 - 2 105 37 -28 58 7 -28 9 41 -29 6 14 -28 1 36 0.29 164 0 0 -28 49 12 23 57 47.2 - 3 105 37 -29 13 25 -28 25 2 -29 21 32 -28 16 57 0.30 165 0 0 -29 4 17 23 57 47.5 - 4 105 37 -29 28 29 -28 40 8 -29 36 35 -28 32 5 0.30 166 0 0 -29 19 8 23 57 48.0 - 5 104 37 -29 43 18 -28 55 1 -29 51 24 -28 46 58 0.30 167 0 0 -29 33 44 23 57 48.5 - 6 104 37 -29 57 53 -29 9 39 -30 5 58 -29 1 36 0.30 168 0 0 -29 48 6 23 57 49.1 - 7 103 37 -30 12 13 -29 24 2 -30 20 18 -29 16 0 0.30 169 0 0 -30 2 13 23 57 49.7 - 8 103 37 -30 26 19 -29 38 11 -30 34 23 -29 30 9 0.30 170 0 0 -30 16 5 23 57 50.5 - 9 102 37 -30 40 9 -29 52 4 -30 48 13 -29 44 3 0.30 171 0 0 -30 29 42 23 57 51.3 - 10 102 37 -30 53 44 -30 5 43 -31 1 47 -29 57 42 0.30 172 0 0 -30 43 3 23 57 52.2 - 11 101 37 -31 7 4 -30 19 6 -31 15 6 -30 11 5 0.30 173 0 0 -30 56 9 23 57 53.2 - 11 100 36 -31 20 8 -30 32 13 -31 28 10 -30 24 13 0.30 174 0 0 -31 8 59 23 57 54.2 - 12 100 36 -31 32 57 -30 45 5 -31 40 58 -30 37 6 0.30 175 0 0 -31 21 34 23 57 55.3 - 13 99 36 -31 45 29 -30 57 41 -31 53 30 -30 49 42 0.30 176 0 0 -31 33 52 23 57 56.5 - 14 99 36 -31 57 46 -31 10 1 -32 5 47 -31 2 3 0.30 177 0 0 -31 45 55 23 57 57.8 - 15 98 36 -32 9 47 -31 22 5 -32 17 47 -31 14 8 0.30 178 0 0 -31 57 41 23 57 59.1 - 16 98 36 -32 21 32 -31 33 53 -32 29 31 -31 25 56 0.30 179 0 0 -32 9 11 23 58 0.5 - 17 97 36 -32 33 1 -31 45 25 -32 40 59 -31 37 28 0.30 -180 0 0 -32 20 25 23 58 1.9 - 18 97 36 -32 44 13 -31 56 40 -32 52 11 -31 48 44 0.30 -179 0 0 -32 31 22 23 58 3.5 - 18 96 35 -32 55 9 -32 7 39 -33 3 6 -31 59 43 0.30 -178 0 0 -32 42 3 23 58 5.1 - 19 96 35 -33 5 48 -32 18 21 -33 13 45 -32 10 26 0.30 -177 0 0 -32 52 27 23 58 6.7 - 20 95 35 -33 16 10 -32 28 47 -33 24 7 -32 20 52 0.30 -176 0 0 -33 2 34 23 58 8.4 - 21 94 35 -33 26 16 -32 38 56 -33 34 13 -32 31 2 0.30 -175 0 0 -33 12 25 23 58 10.2 - 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32 86 31 -35 11 47 -34 24 59 -35 19 37 -34 17 11 0.30 -162 0 0 -34 54 29 23 58 38.8 - 33 86 30 -35 17 53 -34 31 8 -35 25 43 -34 23 20 0.30 -161 0 0 -35 0 19 23 58 41.4 - 34 85 30 -35 23 42 -34 36 59 -35 31 32 -34 29 11 0.30 -160 0 0 -35 5 51 23 58 44.1 - 34 84 30 -35 29 13 -34 42 32 -35 37 3 -34 34 45 0.30 -159 0 0 -35 11 6 23 58 46.8 - 35 83 29 -35 34 27 -34 47 48 -35 42 16 -34 40 1 0.30 -158 0 0 -35 16 3 23 58 49.5 - 36 83 29 -35 39 24 -34 52 46 -35 47 13 -34 44 59 0.30 -157 0 0 -35 20 43 23 58 52.3 - 37 82 28 -35 44 2 -34 57 26 -35 51 51 -34 49 40 0.30 -156 0 0 -35 25 5 23 58 55.1 - 38 81 28 -35 48 24 -35 1 49 -35 56 12 -34 54 3 0.30 -155 0 0 -35 29 10 23 58 58.0 - 38 81 28 -35 52 28 -35 5 55 -36 0 16 -34 58 9 0.30 -154 0 0 -35 32 57 23 59 1.0 - 39 80 27 -35 56 14 -35 9 42 -36 4 2 -35 1 56 0.30 -153 0 0 -35 36 26 23 59 4.0 - 40 79 27 -35 59 43 -35 13 12 -36 7 30 -35 5 27 0.30 -152 0 0 -35 39 38 23 59 7.0 - 41 78 26 -36 2 54 -35 16 24 -36 10 41 -35 8 39 0.30 -151 0 0 -35 42 32 23 59 10.1 - 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34 0 0 -11 15 55 0 7 16.7 22 258 -58 -11 40 32 -10 51 21 -11 48 47 -10 43 9 0.32 - 33 0 0 -10 55 54 0 7 18.8 21 258 -59 -11 20 30 -10 31 22 -11 28 45 -10 23 10 0.32 - 32 0 0 -10 36 2 0 7 20.9 20 258 -59 -11 0 37 -10 11 30 -11 8 51 -10 3 19 0.32 - 31 0 0 -10 16 17 0 7 22.8 19 258 -60 -10 40 51 - 9 51 47 -10 49 5 - 9 43 36 0.32 - 30 0 0 - 9 56 42 0 7 24.7 18 258 -61 -10 21 15 - 9 32 13 -10 29 28 - 9 24 2 0.33 - 29 0 0 - 9 37 16 0 7 26.4 17 257 -61 -10 1 47 - 9 12 48 -10 10 0 - 9 4 38 0.33 - 28 0 0 - 9 18 0 0 7 28.1 16 257 -62 - 9 42 30 - 8 53 33 - 9 50 42 - 8 45 23 0.33 - 27 0 0 - 8 58 54 0 7 29.6 15 257 -63 - 9 23 22 - 8 34 28 - 9 31 34 - 8 26 19 0.33 - 26 0 0 - 8 39 58 0 7 31.0 14 257 -63 - 9 4 25 - 8 15 34 - 9 12 37 - 8 7 25 0.33 - 25 0 0 - 8 21 13 0 7 32.4 13 257 -64 - 8 45 39 - 7 56 51 - 8 53 50 - 7 48 42 0.33 - 24 0 0 - 8 2 40 0 7 33.6 11 256 -65 - 8 27 4 - 7 38 19 - 8 35 15 - 7 30 11 0.33 - 23 0 0 - 7 44 18 0 7 34.7 10 256 -65 - 8 8 41 - 7 19 59 - 8 16 51 - 7 11 52 0.34 - 22 0 0 - 7 26 9 0 7 35.7 9 256 -66 - 7 50 30 - 7 1 51 - 7 58 40 - 6 53 44 0.34 - 21 0 0 - 7 8 12 0 7 36.6 8 256 -66 - 7 32 32 - 6 43 56 - 7 40 41 - 6 35 49 0.34 - 20 0 0 - 6 50 28 0 7 37.4 7 256 -67 - 7 14 46 - 6 26 13 - 7 22 55 - 6 18 7 0.35 - 19 0 0 - 6 32 57 0 7 38.1 6 256 -67 - 6 57 14 - 6 8 44 - 7 5 22 - 6 0 38 0.35 - 18 0 0 - 6 15 40 0 7 38.7 5 256 -68 - 6 39 55 - 5 51 28 - 6 48 3 - 5 43 23 0.36 - 17 0 0 - 5 58 37 0 7 39.2 4 256 -68 - 6 22 50 - 5 34 26 - 6 30 57 - 5 26 22 0.37 - 16 0 0 - 5 41 47 0 7 39.6 3 255 -69 - 6 5 59 - 5 17 39 - 6 14 6 - 5 9 35 0.39 - 15 0 0 - 5 25 13 0 7 39.9 2 255 -69 - 5 49 23 - 5 1 6 - 5 57 29 - 4 53 2 0.43 - 14 0 0 - 5 8 53 0 7 40.0 1 255 -69 - 5 33 2 - 4 44 47 - 5 41 7 - 4 36 45 0.54 - 13 0 0 - 4 52 48 0 7 40.1 0 255 -70 - 5 16 55 .. .. .. - 5 25 0 .. .. .. 3.67 Uncertainty in time = +/- 1 secs Prediction of 2022 Apr 15.8 Data for the target star ------------------------ * name: TYC 5487-01573-1 * constellation : Hydra * BCRS position with proper motion to date of event [h,m,s ; °,',"] RA: 09 55 32.6610 DE: -14 39 47.895 * GCRS Astrometric position with proper motion and parallax to date of event [h,m,s ; °,',"] RA: 09 55 32.6607 DE: -14 39 47.893 * position source: Gaia EDR3 * standard error: RA,DE [mas]: (0.100,0.100) * V mag [mag]: 11.9 * Diameter [mas]: 0.00 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (914) Palisana asteroid class: approx. diameter [km]: 82 approx. diameter ["]: 0.044 distance from Earth [AU]: 2.56490 asteroid position offset in RA [mas]: 0 asteroid position offset in DE [mas]: 0 * orbital information: orbit source: JPL#60 date of fit: 2022 Apr 12 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): 0.009", 0.004", 125.396° remarks: * orbital elements for (914)Palisana : Mean anomaly = 256.8654737138 deg Arg. of pericenter = 49.0710581618 deg Long. of node = 255.7759136893 deg Inclination = 25.2028956081 deg Eccentricity = 0.2143973424 Semimajor axis = 2.4583678460 AU Perihelion dist = 1.9313003131 AU Mag: H = 9.17, G = 0.15 Epoch of elements : MJD 59733.00187500 TDT (2022 Jun 03.0019) ------ occelmnt file for Occult BEGIN ----------------------------------- JPL#602022Apr12,3.99,2022,6,3,0.045319,0.059329,-0.283843,11.357819,2.386238,0.005031,-0.002317,0.000000,0.000000 -102.9608,-14.7703,178.85,22.28,False TYC 5487-01573-1,9.92573912,-14.6633038,0.00,11.86,0.00,0.0,0,,9.94342687,-14.7703024,2.67,0.00,0,0,0 914,Palisana,14.43,82.0,2.5649,0,0,2.685,8.18,,4.2 0,256.6093,2022,6,2,49.0711,255.7759,25.2029,0.21440,2.45837,1.93130,9.18,5.0,0.15 1.167,0.0093,0.0040,125,0.0074,Known errors,-1.00,-1,-1,-1 20220603_1573-1,59684.83 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2022 Apr 15, 19:59 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 stevepr@acm.org