Occultation of UCAC4 414-070342 by 85 Io on 2020 May 24 Distance from center of occultation path - in km Distances are positive to the right, referenced to the direction of motion along the path Uncertainty in time = +/- 2 secs d Proba- Location Longitude Latitude alt U.T. Sepn Alt Sun km bility o ' o ' m h m s " o o 126 - 0% ** Path limit plus 3-Sigma ** 124 N 0% Bainbridge Is.,W Dave Runyan -122 35. 47 35. 64 5 26 2 -0.116 11 -13 123 N 0% SILVERDALE WA IRELAND~DALE E. -122 45. 47 35. 200 5 26 2 -0.115 11 -13 123 N 0% 831 Rosemary Hill Observatory, - 82 35. 29 25. 23 5 22 24 -0.115 46 -40 122 N 0% Bronson, FL - Univ. of Fla. Obs - 82 35. 29 25. 44 5 22 24 -0.115 46 -40 122 N 0% 667 Wanapum Dam -119 55. 46 55. 158 5 25 57 -0.114 13 -14 120 N 0% Renton, WA John Robbins -122 5. 47 25. 100 5 26 1 -0.113 11 -13 119 N 1% MELBOURN FL TERRY D. OSWALT - 80 35. 28 5. 12 5 22 4 -0.111 48 -41 119 N 1% Victor ID J. R. McCormick -111 5. 43 55. 1928 5 25 32 -0.111 20 -20 118 N 1% ORLANDO FL Laurent Pellerin - 81 15. 28 35. 35 5 22 11 -0.111 47 -41 118 N 1% Tallahassee FL - 84 15. 30 25. 46 5 22 41 -0.110 44 -39 111 N 3% Greenbrier AR -- Stephen Meeks - 92 25. 35 15. 100 5 23 50 -0.104 36 -33 111 N 3% AGUADILLA PR HERNANDEZ~DANIE - 67 5. 18 15. 0 5 19 18 -0.104 62 -49 111 - 2% ** Path limit plus 2-Sigma ** 111 N 3% Cascade Mtn., AR Brian Sherrod - 92 15. 35 5. 183 5 23 49 -0.104 36 -33 106 N 5% 664 Manastash Ridge Observatory -120 45. 46 55. 1194 5 25 59 -0.099 12 -14 106 N 6% WICHITA KS RATCLIFFE~MARTI - 97 25. 37 55. 216 5 24 25 -0.099 31 -30 98 N 14% Clermont, FL - RHO - 81 45. 28 35. 72 5 22 14 -0.092 47 -41 97 N 15% FAYETTEV AR D. Dunham temp. - 94 15. 36 5. 0 5 24 3 -0.091 34 -32 97 - 16% ** Path limit plus 1-Sigma ** 93 N 23% Wichita, KS - Albert Dill - 97 25. 37 45. 427 5 24 25 -0.087 32 -30 92 N 26% H43 Conway - 92 35. 35 5. 29 5 23 50 -0.086 36 -33 91 N 27% FrnchCA MS c/o Scott Degenhard - 89 25. 33 15. 0 5 23 26 -0.085 39 -35 91 N 28% Big Cabin OK - Bob Sandy Mobile - 95 15. 36 35. 239 5 24 10 -0.085 34 -31 91 N 28% 653 Torus Observatory, Buckley -122 5. 47 15. 191 5 26 2 -0.085 11 -13 89 N 32% Tacoma WA -122 25. 47 15. 34 5 26 3 -0.083 11 -13 87 N 37% WICHITA KS ROBERT MCARTHUR - 97 15. 37 35. 216 5 24 24 -0.081 32 -30 86 N 39% Cheyenne WY -104 45. 41 5. 1858 5 25 6 -0.081 25 -25 86 N 39% Walla Walla WA -118 25. 46 5. 285 5 25 54 -0.081 14 -16 82 - 50% *** Path limit *** 81 N 53% Moore Obs WA - ColumbiaBasinColl -119 5. 46 15. 125 5 25 56 -0.076 14 -15 79 N 58% 451 West Skies Observatory, Mul - 97 15. 37 25. 327 5 24 23 -0.074 32 -30 79 N 58% Pasco WA - Steve Dart -119 15. 46 15. 127 5 25 56 -0.074 14 -15 78 N 60% E E Barnard Obs Allan Morton -111 45. 43 45. 1528 5 25 35 -0.073 19 -20 78 N 61% 917 Pacific Lutheran University -122 25. 47 5. 71 5 26 3 -0.073 11 -13 77 N 64% RUSSELLV AR D. Dunham temp. - 93 5. 35 15. 0 5 23 55 -0.072 36 -33 76 N 65% Yakima WA -120 35. 46 35. 323 5 25 59 -0.072 13 -14 75 N 68% H41 Petit Jean Mountain - 92 55. 35 5. 276 5 23 53 -0.070 36 -33 74 N 71% H45 Petit Jean Mountain South - 92 55. 35 5. 292 5 23 53 -0.069 36 -33 72 N 75% Laramie WY 1983_529YaronSheffe -105 35. 41 15. 2208 5 25 10 -0.067 24 -24 72 N 75% Little Rock AR - 92 15. 34 45. 87 5 23 48 -0.067 36 -34 70 N 80% Bartlesville OK - John Grismore - 95 55. 36 45. 225 5 24 15 -0.065 33 -31 69 N 81% Shelton, WA Walter Morgan -123 5. 47 15. 75 5 26 4 -0.064 11 -13 58 N 95% Proctor OK - 94 45. 35 55. 0 5 24 6 -0.054 34 -32 54 N 97% Tequesta FL - Hans Heynau - 80 5. 26 55. 4 5 21 55 -0.051 49 -42 53 N 97% Jupiter FL Degenhardt~Scott M. - 80 5. 26 55. 3 5 21 55 -0.049 49 -42 49 N 99% Elgin, OR Joe Garlitz,E. -117 55. 45 35. 833 5 25 53 -0.046 15 -16 46 N 99% Pawkuska OK - 96 25. 36 45. 0 5 24 17 -0.043 33 -31 43 N 100% Umatilla OR Tony George 12 -119 15. 45 55. 50 5 25 57 -0.041 14 -15 41 N 100% 837 Jupiter - 80 15. 26 55. -47 5 21 56 -0.038 49 -42 40 N 100% Collinsville OK Oliver3~Don - 95 55. 36 25. 210 5 24 14 -0.038 33 -31 36 N 100% QuailHOb FL Richard Kowalski - 82 25. 28 15. 0 5 22 18 -0.034 47 -41 35 N 100% Jelm Mtn WY IR observatory -105 55. 41 5. 2947 5 25 11 -0.033 24 -24 35 N 100% Palm Bch FL Bush & Fredrickson - 80 5. 26 45. 0 5 21 54 -0.033 49 -43 28 N 100% W Palm Beach FL - T Redding - 80 5. 26 35. 3 5 21 54 -0.026 49 -43 22 N 100% FtColins CO Tom Teters -105 5. 40 35. 1600 5 25 7 -0.021 25 -25 22 N 100% FtSmith AR - 94 25. 35 25. 134 5 24 3 -0.021 35 -33 21 N 100% GREELEY CO DIETZ~RICHARD D -104 45. 40 25. 1459 5 25 5 -0.020 25 -25 20 N 100% Hominy, OK Drummond Ranch - 96 25. 36 25. 0 5 24 17 -0.019 33 -31 15 N 100% Sebring FL Robert Clyde OBS - 81 25. 27 25. 28 5 22 8 -0.014 48 -42 15 N 100% Tulsa OK - Brad Young 12&56 cm - 95 55. 36 5. 201 5 24 14 -0.014 33 -32 13 N 100% Ponca City OK - 97 5. 36 45. 0 5 24 21 -0.013 32 -31 13 N 100% Tampa, FL Craig MacDouga - 82 25. 28 5. 18 5 22 18 -0.013 47 -41 12 N 100% Munson FL - 86 55. 30 55. 0 5 23 1 -0.011 42 -38 11 N 100% Tulsa OK Moore~John - 95 55. 36 5. 197 5 24 14 -0.011 33 -32 8 N 100% TAMPA FL TOM H CAMPBELL JR - 82 25. 27 55. 10 5 22 17 -0.007 47 -41 8 N 100% H33 Bixhoma Observatory, Bixby - 95 55. 36 5. 188 5 24 13 -0.007 34 -32 4 N 100% Tulsa OK Gerry Mandries (via - 95 55. 35 55. 0 5 24 13 -0.003 34 -32 3 N 100% Tulsa OK - Byron Labadie 30cm - 95 55. 35 55. 184 5 24 13 -0.003 33 -32 0 - 100% **** Centre Line **** -2 S 100% H40 Nubbin Ridge Observatory - 93 15. 34 25. 181 5 23 54 0.002 36 -34 -12 S 100% Venus FL- TheStarFarm K Ewing - 81 25. 27 5. 26 5 22 6 0.011 48 -42 -18 S 100% Longmont CO Steve Albers -105 5. 40 15. 1524 5 25 7 0.016 25 -25 -20 S 100% Niwot CO - C. Olkin, 14" -105 5. 40 5. 0 5 25 7 0.019 25 -25 -22 S 100% AC Tulsa Obs, OK Brad Young12in - 96 5. 35 45. 195 5 24 14 0.021 33 -32 -25 S 100% StPetersburg FL - 82 35. 27 45. 6 5 22 18 0.023 47 -41 -25 S 100% Kenneth CiFL Povenmire~Harold R. - 82 45. 27 45. 6 5 22 19 0.024 47 -41 -26 S 100% Dodge City KS -100 5. 37 45. 755 5 24 39 0.024 30 -29 -26 S 100% Marysville, WA S. Preston 200 -122 5. 46 5. 135 5 26 4 0.024 12 -14 -29 S 100% Baker City OR - Ryc Rienks -117 55. 44 45. 1061 5 25 54 0.027 15 -17 -29 S 100% Niwot CO - SwRI -105 15. 40 5. 0 5 25 7 0.027 25 -25 -31 S 100% Girder OK via Art Lucas - 96 55. 36 5. 0 5 24 19 0.029 33 -31 -32 S 100% H77 Buehler Observatory - 80 15. 26 5. -23 5 21 52 0.030 50 -43 -35 S 100% H09 Antelope Hills Observatory, -104 25. 39 45. 1710 5 25 3 0.032 26 -26 -36 S 100% Boulder CO - D. Terrell, 10" -105 5. 40 5. 0 5 25 7 0.033 25 -26 -38 S 100% RIDGELAN MS SPEER-LYELL Ob.c/oD - 90 15. 32 25. 0 5 23 28 0.035 39 -36 -40 S 100% Pensacola, FL - Wayne Wooten - 87 15. 30 25. 0 5 23 2 0.037 42 -38 -41 S 100% Pocatello ID -112 25. 42 55. 1358 5 25 38 0.038 19 -21 -41 S 100% Jackson MS - 90 15. 32 15. 91 5 23 28 0.038 39 -36 -41 S 100% 463 Sommers-Bausch Observatory, -105 15. 40 5. 1622 5 25 8 0.038 25 -26 -41 S 100% Boulder CO Jewell~Jack -105 15. 40 5. 1622 5 25 8 0.038 25 -26 -41 S 100% Boulder CO Buie~Marc -105 15. 40 5. 1622 5 25 8 0.038 25 -26 -42 S 100% 713 Thornton -105 5. 39 55. 1622 5 25 6 0.040 26 -26 -43 S 100% LABELLE FL MRAZ~FRANK J - 81 25. 26 45. 5 5 22 5 0.040 48 -43 -45 S 99% Denver CO Moravec~Jim -105 5. 39 55. 1609 5 25 6 0.042 26 -26 -47 S 99% Pensacol FL Merry Wooten - 87 15. 30 25. 0 5 23 2 0.044 42 -39 -48 S 99% Enid, OK Astro. Soc., approx - 97 45. 36 25. 0 5 24 25 0.045 32 -31 -49 S 99% STILLWATER OK LUCAS~ART - 97 5. 36 5. 323 5 24 20 0.046 33 -31 -50 S 99% Bob Anderson, Vi to State Pk, O -121 45. 45 45. 300 5 26 3 0.047 12 -15 -51 S 98% Byram MS ROBERTS~BENNY J - 90 15. 32 15. 0 5 23 29 0.048 39 -36 -51 S 98% Enid, OK N.OK College C - 97 55. 36 25. 372 5 24 25 0.048 32 -31 -53 S 98% Enid, OK Adventure Ques - 97 55. 36 25. 372 5 24 25 0.049 32 -31 -54 S 97% SantoDomingo DR - 69 55. 18 35. 45 5 19 46 0.050 61 -49 -55 S 97% G63 Mill Creek Observatory, The -121 15. 45 35. 190 5 26 3 0.052 13 -15 -55 S 96% DENVER CO DENVER MUSEUM O -104 55. 39 45. 1615 5 25 6 0.052 26 -26 -56 S 96% Miami FL - 80 15. 25 45. 3 5 21 51 0.053 50 -43 -57 S 95% Byram MS David Watts Obs - 90 15. 32 15. 90 5 23 29 0.054 39 -36 -58 S 95% Sarasota FL - 82 35. 27 25. 6 5 22 16 0.054 47 -42 -58 S 95% 447 Centennial Observatory -104 45. 39 35. 1723 5 25 5 0.054 26 -26 -58 S 94% MtThrodn CO - R Keen/G Emerson -105 25. 39 55. 2727 5 25 8 0.055 25 -26 -59 S 94% Longboat FL Greg Shanos - 82 35. 27 25. 0 5 22 17 0.055 47 -42 -59 S 94% 708 Chamberlin Observatory, Den -104 55. 39 45. 1608 5 25 6 0.056 26 -26 -63 S 90% 452 Big Cypress Observatory - 80 55. 26 15. -78 5 21 58 0.059 49 -43 -63 S 90% GOLDEN CO BISQUE~STEVE -105 15. 39 45. 2134 5 25 7 0.059 26 -26 -63 S 90% ENGLEWOOD CO RASOR~PAT -104 55. 39 35. 1829 5 25 6 0.059 26 -26 -70 S 79% Mobile AL - 88 5. 30 45. 2 5 23 9 0.066 42 -38 -72 S 76% MIAMI FL MICHAEL C. MOONEY - 80 15. 25 45. 0 5 21 51 0.067 50 -44 -72 S 76% FT MYERS FL - T. L. Fox - 81 45. 26 45. 3 5 22 7 0.067 48 -43 -73 S 73% Coral Gables FL -Don Parker 16" - 80 15. 25 35. 0 5 21 51 0.068 50 -44 -73 S 73% LITTLETON CO OLASON~MICHAEL -105 5. 39 35. 1896 5 25 7 0.068 26 -26 -77 S 63% Howard Knytych, appoose, OR -122 55. 45 45. 30 5 26 6 0.072 11 -14 -79 S 58% Cape Coral FL - Bob Konior - 81 55. 26 45. 0 5 22 9 0.074 48 -43 -80 S 56% H47 Vicksburg - 90 55. 32 15. 12 5 23 33 0.075 39 -36 -80 S 56% Guthrie OK Rebecca Alestick apx - 97 25. 35 55. 0 5 24 22 0.075 33 -32 -81 S 52% Nashville, AR Roy Clingan - 93 55. 33 55. 0 5 23 56 0.076 36 -34 -82 - 50% *** Path limit *** -85 S 42% Castlrok CO Franklin Miller em? -104 55. 39 25. 1947 5 25 5 0.080 26 -26 -86 S 39% 460 Area 52 Observatory, Nashvi - 94 5. 33 55. 130 5 23 57 0.081 36 -34 -88 S 33% Shady Grove MS - Mobile Site - 90 15. 31 55. 137 5 23 28 0.083 40 -37 -90 S 29% H72 Evelyn L. Egan Observatory, - 81 45. 26 25. -13 5 22 6 0.084 48 -43 -91 S 28% H76 Oakridge Observatory, Miami - 80 35. 25 35. 3 5 21 53 0.085 50 -44 -91 S 27% Jeff Martin, Por and, OR -122 35. 45 35. 66 5 26 6 0.085 12 -14 -94 S 21% Gresham, OR Patton Echols -122 25. 45 25. 157 5 26 5 0.088 12 -14 -94 S 21% Boise ID -116 15. 43 35. 824 5 25 50 0.088 17 -19 -97 - 16% ** Path limit plus 1-Sigma ** -97 S 16% Portland OR -122 45. 45 35. 23 5 26 6 0.090 12 -14 -97 S 15% Portland, OR Gary Allen -122 45. 45 35. 0 5 26 6 0.091 12 -14 -97 S 15% Howard Banich, s Portland, OR -122 35. 45 35. 66 5 26 6 0.091 12 -14 -97 S 15% Chuck Dethloff, mber, OR -123 15. 45 45. 204 5 26 7 0.091 11 -14 -99 S 13% Edmond OK Ellington~Chad - 97 25. 35 45. 356 5 24 22 0.093 33 -32 -100 S 12% Robert Bond, Portland,OR -122 55. 45 35. 69 5 26 6 0.093 12 -14 -101 S 11% 707 Chamberlin field station -105 25. 39 25. 0 5 25 8 0.094 26 -26 -101 S 10% FT MYERS FL DAVID B. WALLACE - 81 55. 26 25. 3 5 22 7 0.095 48 -43 -102 S 9% Jeff Dobbins, Portland, OR -122 45. 45 25. 150 5 26 6 0.095 12 -14 -102 S 9% Elbert CO ScottDonnellKiowaCk -104 35. 39 5. 2230 5 25 4 0.095 26 -27 -102 S 9% Larkspur CO Martin Hale -104 55. 39 15. 2100 5 25 5 0.096 26 -26 -104 S 7% H05 Edmund Kline Observatory, D -105 55. 39 35. 1528 5 25 10 0.097 25 -26 -104 S 7% H29 Ivywood Observatory, Edmond - 97 25. 35 35. 309 5 24 21 0.097 33 -32 -105 S 6% PORTLAND OR KNOX~RICHARD -122 45. 45 25. 58 5 26 6 0.098 12 -14 -106 S 5% Lake OswegOR Anderson~Robert -122 45. 45 25. 169 5 26 6 0.099 12 -14 -106 S 5% 727 Zeno Observatory, Edmond - 97 25. 35 35. 335 5 24 22 0.099 33 -32 -107 S 4% Beaverton, OR Scott Huddlest -122 45. 45 25. 0 5 26 6 0.101 12 -14 -107 S 4% Scott Huddleston Beaverton, OR -122 45. 45 25. 100 5 26 6 0.101 12 -14 -108 S 4% 716 Palmer Divide Observatory, -104 45. 39 5. 2268 5 25 5 0.101 26 -27 -108 S 4% G57 Dilbert Observatory, Forest -123 5. 45 35. 37 5 26 7 0.101 11 -14 -111 S 3% John Gillis, Tig d, OR -122 45. 45 25. 207 5 26 7 0.104 12 -14 -111 - 2% ** Path limit plus 2-Sigma ** -113 S 2% FALCON CO LEE~RONALD G. -104 35. 38 55. 632 5 25 3 0.106 26 -27 -116 S 1% Oklahoma City OK - Paul Sventek - 97 35. 35 35. 350 5 24 22 0.109 33 -32 -121 S 0% Colo Springs CO Mark Torres -104 45. 38 55. 2080 5 25 5 0.113 26 -27 -121 S 0% 712 USAF Academy Observatory -104 55. 39 5. 2170 5 25 5 0.113 26 -27 -126 - 0% ** Path limit plus 3-Sigma ** Prediction of 2019 Apr 18.2