Occultation of UCAC4 379-108186 by 51244 2000 JP39 on 2022 Aug 6 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 = +/- 6 secs d Proba- Location Longitude Latitude alt U.T. Sepn Alt Sun km bility o ' o ' m h m s " o o 53 - 0% ** Path limit plus 3-Sigma ** 51 N 0% College of San Mateo -122 25. 37 35. 191 4 26 11 -0.022 36 -14 51 N 0% Laval QC - Laval Obs - 73 35. 45 35. 20 4 15 31 -0.021 25 -27 48 N 0% Sycamore IL Dan Grubb - 88 45. 41 55. 0 4 18 22 -0.021 33 -27 48 N 0% BELMONT CA HART~JIM -122 15. 37 35. 0 4 26 10 -0.020 36 -14 48 N 0% Laval PQ - 73 45. 45 35. 43 4 15 32 -0.020 25 -27 47 N 1% Laval QC - Vagelis Tsamis - 73 45. 45 35. 30 4 15 32 -0.020 25 -27 44 N 1% 716 Palmer Divide Observatory, -104 45. 39 5. 2268 4 22 0 -0.019 37 -23 42 N 1% HALF MOON BAY CA FRANK~CHRISTOPH -122 25. 37 25. 0 4 26 12 -0.018 36 -14 41 N 1% 840 Flint - 83 45. 43 5. 202 4 17 21 -0.018 30 -27 41 N 1% Davenport IA - 90 35. 41 35. 180 4 18 46 -0.018 33 -27 41 N 1% Peterborough ON - 78 15. 44 15. 205 4 16 19 -0.017 28 -27 41 N 1% Bellevue QC - Bellevue Obs RASC - 73 55. 45 25. 30 4 15 34 -0.017 25 -27 41 N 1% Flint MI - 83 45. 43 5. 228 4 17 20 -0.017 30 -27 40 N 1% Elbert CO ScottDonnellKiowaCk -104 35. 39 5. 2230 4 21 58 -0.017 37 -23 40 N 2% s. gravel pit, M John deLongpre - 85 35. 42 35. 0 4 17 43 -0.017 31 -27 39 N 2% MONTREAL QU D. Brown; RASC - 73 35. 45 35. 86 4 15 30 -0.017 25 -27 39 N 2% WATERLOO ON COLE-ARNAL~OSCA - 80 25. 43 45. 423 4 16 41 -0.017 29 -28 39 N 2% Moline IL - 90 35. 41 35. 178 4 18 45 -0.016 33 -27 38 N 2% Montreal PQ - 73 35. 45 35. 27 4 15 30 -0.016 25 -27 38 N 2% PaloAlto CA Lum, Stanford -122 5. 37 25. 0 4 26 8 -0.016 36 -14 38 N 2% 712 USAF Academy Observatory -104 55. 39 5. 2170 4 22 2 -0.016 37 -23 38 N 2% Rock Isl IL D. Renneke & Farrar - 90 35. 41 25. 0 4 18 46 -0.016 33 -27 37 - 2% ** Path limit plus 2-Sigma ** 37 N 3% Moline IL Paul Castle - 90 35. 41 25. 195 4 18 45 -0.016 33 -27 36 N 3% Los Altos CA ADLER~ALAN -122 5. 37 25. 0 4 26 8 -0.015 36 -14 34 N 4% BLOOMINGDALE IL BENJAMIN~BART - 88 5. 41 55. 241 4 18 14 -0.014 32 -27 34 N 4% 756 Dearborn Observatory, Evans - 87 45. 42 5. 128 4 18 9 -0.014 32 -27 33 N 4% Mtn View CA SETI Peter Backus -122 5. 37 25. 0 4 26 8 -0.014 36 -14 33 N 4% La Salle PQ - 73 35. 45 25. 34 4 15 31 -0.014 25 -27 32 N 5% Lansing MI - 84 35. 42 45. 253 4 17 30 -0.014 31 -27 31 N 5% 763 King City - 79 35. 43 55. 273 4 16 32 -0.013 29 -28 31 N 5% Colo Springs CO Mark Torres -104 45. 38 55. 2080 4 22 0 -0.013 37 -23 31 N 5% SANTA CLARA CA OKASAKI~KENT -122 5. 37 25. 115 4 26 9 -0.013 36 -14 31 N 5% CAMPBELL CA BALDRIDGE~RICHA -122 5. 37 25. 115 4 26 9 -0.013 36 -14 30 N 5% 710 MPO Observatory, Florissant -105 15. 38 55. 2568 4 22 8 -0.013 37 -22 28 N 7% Sunnyvale CA Sielski~Hank -122 5. 37 25. 0 4 26 7 -0.012 36 -14 28 N 7% Silicon Valley - Thad Floryan -122 5. 37 25. 78 4 26 8 -0.012 36 -14 28 N 8% 766 Michigan State University O - 84 25. 42 45. 217 4 17 29 -0.012 31 -27 27 N 7% G65 Vulcan North, Lick Observat -121 35. 37 25. 1215 4 26 2 -0.012 36 -14 27 N 7% Nine-Brick OBS W Cheng -122 5. 37 25. 100 4 26 8 -0.012 36 -14 27 N 8% 662 Lick Observatory, Mount Ham -121 35. 37 25. 1251 4 26 2 -0.012 36 -14 25 N 9% San Jose CA Dr Backus -121 45. 37 15. 0 4 26 4 -0.011 36 -14 25 N 10% Long Sault Conservation Area - 78 45. 44 5. 310 4 16 23 -0.011 28 -28 25 N 10% FALCON CO LEE~RONALD G. -104 35. 38 55. 632 4 21 58 -0.010 37 -23 24 N 10% MAPLE ON RAYMOND R. THOMPSON - 79 35. 43 55. 234 4 16 32 -0.010 29 -28 24 N 11% Guffey CO - Cloudbait Obs -105 25. 38 45. 2767 4 22 11 -0.010 37 -22 23 N 11% RICHMOND HILL ON DAVID DUNLAP OB - 79 25. 43 55. 239 4 16 31 -0.010 29 -28 23 N 12% 818 Gemeaux Observatory, Laval - 73 35. 45 25. 333 4 15 29 -0.010 25 -27 23 N 12% 779 David Dunlap Observatory, R - 79 25. 43 55. 205 4 16 31 -0.010 29 -28 22 N 13% PICKERING ON DEMPSEY~FRANK - 79 5. 43 55. 200 4 16 27 -0.009 28 -28 22 - 13% ** Path limit plus 1-Sigma ** 21 N 13% Toronto ON Scott Masterton - 79 25. 43 55. 196 4 16 30 -0.009 28 -28 21 N 13% Merced CA - U of Merced -120 25. 37 25. 69 4 25 45 -0.009 36 -15 19 N 16% SAN JOSE CA JAMES H. VAN NULAND -121 55. 37 15. 73 4 26 6 -0.008 36 -14 18 N 17% SJAA - Houge Park -121 55. 37 15. 14 4 26 7 -0.008 36 -14 18 N 17% ColoradoSpgs CO -104 45. 38 55. 1821 4 22 1 -0.008 37 -23 18 N 17% Merced CA - Mark Wedel -120 35. 37 15. 52 4 25 46 -0.008 36 -15 16 N 20% H79 York University Observatory - 79 35. 43 45. 0 4 16 31 -0.007 29 -28 15 N 20% Lamoni IA - Graceland Univ - 93 55. 40 35. 338 4 19 30 -0.007 35 -26 15 N 21% Oshawa ON Michael J. Cook - 78 55. 43 55. 145 4 16 24 -0.006 28 -28 15 N 21% StCesare PQ Michel Senay - 72 55. 45 25. 48 4 15 23 -0.006 25 -27 14 N 22% LosGatos CA OakridgeO Baldridge -122 5. 37 15. 732 4 26 8 -0.006 36 -14 14 N 22% San Jose, CA - Rudy Norvelle -121 45. 37 15. 0 4 26 5 -0.006 36 -14 14 N 22% NORTH YO ON GUY NASON - 79 25. 43 45. 181 4 16 30 -0.006 29 -28 13 N 23% Napierville, IL Jeffrey Madura - 88 5. 41 45. 0 4 18 14 -0.006 33 -27 13 N 23% Bayview ON Eric Briggs - 79 25. 43 45. 180 4 16 30 -0.006 29 -28 12 N 24% Napierville, IL Robert Dunford - 88 5. 41 45. 205 4 18 14 -0.005 33 -27 11 N 25% Guelph ON - 80 15. 43 35. 324 4 16 39 -0.005 29 -28 10 N 26% Kalamazoo MI - 85 35. 42 15. 230 4 17 42 -0.004 32 -28 10 N 26% GUELPH ON PULLEY~HARRY - 80 15. 43 35. 0 4 16 40 -0.004 29 -28 10 N 26% Bishop CA Stoffaire~Jim -118 15. 37 25. 1338 4 25 16 -0.004 37 -16 10 N 27% Toronto ON Vimal Lad 03/12/07 - 79 45. 43 35. 210 4 16 34 -0.004 29 -28 8 N 28% Castletn On Cotterell~David - 77 55. 44 5. 211 4 16 13 -0.004 28 -28 8 N 28% 706 Salida -106 5. 38 35. 1631 4 22 19 -0.004 37 -22 8 N 28% Waterloo On Oscar Cole-Arnal - 80 25. 43 25. 423 4 16 42 -0.003 29 -28 8 N 28% Starlight Cascade Obs. ON - 76 45. 44 25. 144 4 16 1 -0.003 27 -28 7 N 28% Kitchener ON - 80 25. 43 25. 335 4 16 42 -0.003 29 -28 7 N 29% Toronto ON 1991_1_4R.McWatters - 79 25. 43 45. 152 4 16 29 -0.003 29 -28 6 - 30% *** Path limit *** 6 N 29% OriolePw ON Geoff Gaherty - 79 25. 43 45. 163 4 16 30 -0.003 29 -28 5 N 30% Toronto On Cotterell~David - 79 15. 43 45. 138 4 16 29 -0.002 29 -28 5 N 30% Cobourg ON - Tom Luton - 78 15. 43 55. 112 4 16 16 -0.002 28 -28 4 N 31% Chicago, IL RyersonAS Ob-S - 87 35. 41 45. 116 4 18 7 -0.002 32 -27 4 N 31% KALAMAZOO MI ASMUS~PAUL - 85 45. 42 15. 277 4 17 43 -0.002 32 -28 3 N 31% Battle Creek MI - 85 15. 42 15. 250 4 17 37 -0.001 31 -28 3 N 31% BROCKVILLE ON FETTER~KEVIN - 75 45. 44 35. 100 4 15 50 -0.001 27 -28 3 N 32% BonnyDun CA Nolthenius mobile -122 5. 37 5. 866 4 26 10 -0.001 36 -14 2 N 31% 777 Toronto - 79 25. 43 45. 88 4 16 30 -0.001 29 -28 2 N 31% Toronto ON Grey~Denis - 79 25. 43 35. 105 4 16 30 -0.001 29 -28 2 N 31% Belleville ON - 77 25. 44 5. 78 4 16 8 -0.001 28 -28 1 N 31% 440 Elginfield Observatory - 81 15. 43 15. 316 4 16 51 -0.001 30 -28 1 N 32% MORGAN HILL CA Breit~Derek C. -121 45. 37 5. 282 4 26 4 -0.001 36 -14 0 - 33% **** Centre Line **** -1 S 31% Milton ON Colin Haig - 79 55. 43 35. 0 4 16 35 0.000 29 -28 -1 S 31% 768 Dearborn - 82 55. 42 45. 0 4 17 10 0.000 30 -28 -1 S 32% Bonny Doon CA -Bonny Doon Church -122 5. 37 5. 580 4 26 10 0.001 36 -14 -3 S 31% WORTH IL ROBERT H. HAYS JR. - 87 45. 41 45. 185 4 18 10 0.001 33 -27 -4 S 31% CedarCty UT BRENT SORENSON -113 5. 37 35. 1740 4 24 1 0.002 37 -19 -6 - 30% *** Path limit *** -8 S 28% Misisaga ON Chris Malicki - 79 35. 43 35. 85 4 16 32 0.003 29 -28 -9 S 27% H91 Reynolds Observatory, Potsd - 74 55. 44 45. 134 4 15 42 0.004 26 -28 -11 S 25% APTOS CA R.NoltheniusCabrill -121 55. 36 55. 119 4 26 7 0.005 36 -14 -13 S 23% Santa Cruz CA -122 5. 36 55. 6 4 26 9 0.006 36 -14 -14 S 22% SntaCruz CA Jon Merryman -121 55. 36 55. 0 4 26 8 0.006 36 -14 -15 S 21% Kingston ON - 76 25. 44 15. 80 4 15 57 0.006 27 -28 -16 S 20% Auberry CA - Univ of Stuttgart -119 25. 37 5. 1406 4 25 32 0.007 37 -16 -17 S 19% 130km eneToronto David Cotterel - 77 5. 44 5. 150 4 16 3 0.007 28 -28 -18 S 17% Birmgham MI Gary Gibbs - 83 15. 42 35. 234 4 17 13 0.008 31 -28 -18 S 17% Sherbrooke PQ - 71 55. 45 25. 163 4 15 10 0.008 25 -27 -20 S 15% Canton NY Justin Pryzby - 75 5. 44 35. 180 4 15 42 0.009 27 -28 -22 S 13% Gary IN - 87 25. 41 35. 180 4 18 3 0.009 33 -28 -22 - 13% ** Path limit plus 1-Sigma ** -22 S 13% London ON - 81 15. 42 55. 250 4 16 50 0.009 30 -28 -22 S 12% Jackson MI - 84 25. 42 15. 286 4 17 27 0.010 31 -28 -23 S 12% Burlington ON - 79 45. 43 15. 86 4 16 33 0.010 29 -28 -24 S 11% London ON David Clark - 81 15. 42 55. 269 4 16 51 0.010 30 -28 -25 S 9% Dexter MI Chris Sarnecki - 83 55. 42 25. 0 4 17 21 0.011 31 -28 -28 S 7% Madera CA Ken Simmons -120 5. 36 55. 84 4 25 41 0.012 37 -15 -28 S 7% Sherbrok PQ Vincent Desmarais - 71 55. 45 15. 0 4 15 10 0.012 25 -28 -29 S 7% Hamilton ON - 79 55. 43 15. 100 4 16 34 0.012 29 -28 -29 S 6% Livonia MI Chuck Boren - 83 15. 42 25. 0 4 17 14 0.012 31 -28 -30 S 6% Hollistr CA David Baumgartner -121 25. 36 55. 0 4 26 1 0.013 37 -15 -30 S 6% Hamilton ON Roger Hill & RASC - 79 55. 43 15. 0 4 16 33 0.013 29 -28 -30 S 6% Brantford ON - 80 15. 43 5. 215 4 16 38 0.013 29 -28 -30 S 5% SantaCrz CA Chris Angelos -121 55. 36 45. 0 4 26 8 0.013 36 -14 -31 S 6% H67 Stonegate Observatory, Ann - 83 55. 42 15. 211 4 17 20 0.013 31 -28 -31 S 5% MtMegntc Qu Obs.Astr.MontMegant - 71 5. 45 25. 1114 4 15 3 0.013 24 -27 -31 S 5% 301 Mont Megantic - 71 5. 45 25. 1091 4 15 3 0.013 24 -27 -32 S 5% Hamilton On 1987_124Eric Goldin - 79 55. 43 15. 192 4 16 33 0.014 29 -28 -33 S 4% Granger IN BUETER~CHUCK - 86 15. 41 45. 175 4 17 49 0.014 32 -28 -35 S 3% 767 Ann Arbor - 83 45. 42 15. 258 4 17 19 0.015 31 -28 -37 - 2% ** Path limit plus 2-Sigma ** -38 S 2% Fremont Pk Obs CA - Dave Samuels -121 25. 36 45. 823 4 26 3 0.016 37 -15 -39 S 2% SouthBnd IN Tom Laskowski vid. - 86 15. 41 45. 0 4 17 49 0.017 32 -28 -41 S 1% Dearborn MI Daniel Kmiecik - 83 15. 42 15. 0 4 17 13 0.017 31 -28 -46 S 1% AnnArbor MI SteveLindner&McCaus - 83 45. 42 15. 0 4 17 18 0.019 31 -28 -46 S 1% Inkster MI Milton French - 83 15. 42 15. 192 4 17 13 0.020 31 -28 -46 S 1% Detroit MI - 83 5. 42 15. 178 4 17 10 0.020 31 -28 -47 S 0% Pueblo CO -104 35. 38 15. 1428 4 21 59 0.020 38 -23 -47 S 0% Salinas, CA -121 35. 36 45. 0 4 26 5 0.020 37 -15 -48 S 0% Marina CA John Mulshine -121 45. 36 45. 0 4 26 7 0.020 37 -15 -48 S 0% Windsor ON - 83 5. 42 15. 184 4 17 10 0.021 31 -28 -49 S 0% Fresno CA Clarence Funk -119 45. 36 45. 0 4 25 39 0.021 37 -16 -49 S 0% StCathrn ON HUGH N. A. MACLEAN - 79 15. 43 15. 85 4 16 26 0.021 29 -28 -53 - 0% ** Path limit plus 3-Sigma ** Prediction of 2022 Jul 26.1