Occultation of UCAC4 472-121884 by 631 Philippina on 2020 May 21 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 = +/- 3 secs d Proba- Location Longitude Latitude alt U.T. Sepn Alt Sun km bility o ' o ' m h m s " o o 185 - 0% ** Path limit plus 3-Sigma ** 138 - 2% ** Path limit plus 2-Sigma ** 128 E 4% CLOVIS NM KRAJCI~TOM -103 15. 34 25. 0 8 34 28 -0.040 36 -30 111 E 8% e.Mentone, TX C.Smith ranch -103 25. 31 45. 0 8 34 7 -0.035 36 -32 97 E 13% H09 Antelope Hills Observatory, -104 25. 39 45. 1710 8 35 8 -0.031 33 -26 94 E 15% Cheyenne WY -104 45. 41 5. 1858 8 35 19 -0.030 32 -25 91 - 16% ** Path limit plus 1-Sigma ** 87 E 18% GREELEY CO DIETZ~RICHARD D -104 45. 40 25. 1459 8 35 13 -0.028 32 -25 87 E 18% Alpine, TX Dave Oesper -103 45. 30 25. 1382 8 33 55 -0.028 37 -34 71 E 28% FALCON CO LEE~RONALD G. -104 35. 38 55. 632 8 35 2 -0.022 33 -26 70 E 29% Elbert CO ScottDonnellKiowaCk -104 35. 39 5. 2230 8 35 3 -0.022 33 -26 62 E 34% 447 Centennial Observatory -104 45. 39 35. 1723 8 35 7 -0.020 33 -26 60 E 36% 717 Prude Ranch -103 55. 30 35. 1512 8 33 57 -0.019 36 -34 59 E 36% FtColins CO Tom Teters -105 5. 40 35. 1600 8 35 14 -0.019 32 -25 57 E 38% Ft. Davis, TX LimpiaObs,P.Ar -103 55. 30 35. 1597 8 33 57 -0.018 36 -34 55 E 39% 716 Palmer Divide Observatory, -104 45. 39 5. 2268 8 35 3 -0.017 33 -26 55 E 39% Marfa, TX Robert Brown -104 5. 30 15. 1300 8 33 54 -0.017 36 -34 54 E 40% Edmonton AB -113 25. 53 35. 666 8 36 42 -0.017 22 -15 54 E 40% Pueblo CO -104 35. 38 15. 1428 8 34 57 -0.017 33 -27 53 E 41% Castlrok CO Franklin Miller em? -104 55. 39 25. 1947 8 35 5 -0.017 33 -26 52 E 41% 711 McDonald Observatory, Fort -104 5. 30 45. 2075 8 33 57 -0.017 36 -34 51 E 42% Colo Springs CO Mark Torres -104 45. 38 55. 2080 8 35 2 -0.016 33 -26 51 E 42% Niwot CO - C. Olkin, 14" -105 5. 40 5. 0 8 35 11 -0.016 32 -25 50 E 43% 708 Chamberlin Observatory, Den -104 55. 39 45. 1608 8 35 7 -0.016 32 -26 50 E 43% Denver CO Moravec~Jim -105 5. 39 55. 1609 8 35 9 -0.016 32 -26 50 E 43% 713 Thornton -105 5. 39 55. 1622 8 35 9 -0.016 32 -26 49 E 44% DENVER CO DENVER MUSEUM O -104 55. 39 45. 1615 8 35 8 -0.015 32 -26 48 E 44% Longmont CO Steve Albers -105 5. 40 15. 1524 8 35 11 -0.015 32 -25 47 E 45% ENGLEWOOD CO RASOR~PAT -104 55. 39 35. 1829 8 35 7 -0.015 32 -26 45 E 46% EDMONTON AB LING~ALISTER -113 35. 53 25. 681 8 36 42 -0.014 22 -15 45 E 47% Larkspur CO Martin Hale -104 55. 39 15. 2100 8 35 4 -0.014 33 -26 45 E 47% ColoradoSpgs CO -104 45. 38 55. 1821 8 35 1 -0.014 33 -27 44 - 47% *** Path limit *** 44 E 47% Boulder CO - D. Terrell, 10" -105 5. 40 5. 0 8 35 10 -0.014 32 -26 43 E 48% Niwot CO - SwRI -105 15. 40 5. 0 8 35 10 -0.013 32 -26 42 E 48% 712 USAF Academy Observatory -104 55. 39 5. 2170 8 35 2 -0.013 33 -26 40 E 50% 10mi. s. Kent, T Richard Nugent -104 5. 30 55. 1455 8 33 59 -0.013 36 -33 37 E 51% Ft. Stockton, TX Richard Nugen -104 15. 30 55. 1373 8 33 59 -0.012 36 -33 36 E 53% LITTLETON CO OLASON~MICHAEL -105 5. 39 35. 1896 8 35 7 -0.011 32 -26 35 E 53% NYE - Mobile -104 15. 30 25. 0 8 33 55 -0.011 36 -34 34 E 53% Sheridan WY -106 55. 44 45. 1139 8 35 44 -0.011 29 -22 34 E 53% Laramie WY 1983_529YaronSheffe -105 35. 41 15. 2208 8 35 19 -0.011 31 -25 31 E 55% 463 Sommers-Bausch Observatory, -105 15. 40 5. 1622 8 35 10 -0.010 32 -26 31 E 55% Boulder CO Buie~Marc -105 15. 40 5. 1622 8 35 10 -0.010 32 -26 31 E 55% Boulder CO Jewell~Jack -105 15. 40 5. 1622 8 35 10 -0.010 32 -26 29 E 56% EDMONTON AB HUBE~PROF. DOUG -113 45. 53 25. 708 8 36 41 -0.009 22 -15 29 E 56% GOLDEN CO BISQUE~STEVE -105 15. 39 45. 2134 8 35 8 -0.009 32 -26 17 E 61% Artesia, NM Dave Behee 8in -104 25. 32 45. 1035 8 34 14 -0.006 35 -32 15 E 62% MtThrodn CO - R Keen/G Emerson -105 25. 39 55. 2727 8 35 8 -0.005 32 -26 6 E 64% 707 Chamberlin field station -105 25. 39 25. 0 8 35 5 -0.002 32 -26 6 E 64% 710 MPO Observatory, Florissant -105 15. 38 55. 2568 8 35 1 -0.002 33 -27 0 - 66% **** Centre Line **** -5 W 65% Jelm Mtn WY IR observatory -105 55. 41 5. 2947 8 35 17 0.002 31 -25 -6 W 64% RMSS CO Debbie Schermerhorn -105 25. 39 5. 2651 8 35 2 0.002 32 -27 -15 W 62% Guffey CO - Cloudbait Obs -105 25. 38 45. 2767 8 35 0 0.005 32 -27 -34 W 54% H05 Edmund Kline Observatory, D -105 55. 39 35. 1528 8 35 6 0.011 32 -26 -43 W 48% Billings MT -108 35. 45 45. 950 8 35 50 0.014 28 -21 -44 - 47% *** Path limit *** -51 W 42% Miners View, CO Trina Ruhland -106 5. 39 25. 3350 8 35 4 0.016 32 -26 -53 W 41% Sapello River,NM B.Ryan student -105 25. 35 45. 2335 8 34 36 0.017 34 -30 -67 W 31% 706 Salida -106 5. 38 35. 1631 8 34 57 0.021 32 -27 -73 W 27% New Mexico Skies -105 25. 32 55. 2218 8 34 13 0.023 34 -32 -88 W 18% 921 SW Institute for Space Rese -105 35. 32 55. 2184 8 34 14 0.028 34 -32 -88 W 18% MAYHILL NM FOX~JAMES H. -105 35. 32 55. 2213 8 34 13 0.028 34 -32 -88 W 18% Cloudcrt NM Howard Brewington -105 35. 32 55. 2237 8 34 13 0.028 34 -32 -89 W 17% Whitehorse YT -135 5. 60 45. 702 8 37 24 0.028 9 -9 -91 - 16% ** Path limit plus 1-Sigma ** -101 W 12% SANTA FE NM TITUS~GREGORY B -105 55. 35 45. 0 8 34 34 0.032 33 -30 -102 W 11% Santa Fe NM -105 55. 35 45. 2117 8 34 35 0.032 33 -30 -106 W 10% H04 Santa Fe -105 55. 35 35. 2030 8 34 34 0.033 33 -30 -106 W 10% Carrizozo, NM John Duchek -105 45. 33 35. 1849 8 34 18 0.034 34 -32 -109 W 9% SANTA FE NM MROZ~GENE -106 5. 35 45. 2097 8 34 35 0.034 33 -30 -111 W 8% CLOUDCRO NM W. & B. OFFUTT -105 45. 32 55. 2473 8 34 13 0.035 34 -32 -114 W 7% HighRols NM Walter Farrar, 17.5 -105 45. 32 55. 2143 8 34 13 0.036 34 -32 -117 W 6% 705 Apache Point - Sunspot NM -105 45. 32 45. 2778 8 34 12 0.037 34 -32 -125 W 5% WhiteRck NM David Palmer -106 15. 35 45. 1889 8 34 35 0.039 33 -30 -125 W 5% Alamgrdo NM Paul Carnes -105 55. 32 55. 1340 8 34 12 0.040 34 -32 -130 W 4% Tularosa NM Terry Chatterton -106 5. 33 5. 0 8 34 14 0.041 34 -32 -133 W 3% 652 Rock Finder Observatory, Ca -114 5. 51 5. 869 8 36 24 0.042 22 -17 -134 W 3% 858 Tebbutt Observatory, Edgewo -106 15. 35 5. 2167 8 34 30 0.042 33 -31 -137 W 3% CALGARY AB LOWE~ANDREW -114 5. 51 5. 1045 8 36 24 0.043 22 -17 -137 W 3% Chihuahua MX -106 5. 28 35. 1500 8 33 38 0.043 35 -36 -137 W 2% CALGARY AB BILLINGS~GARY W -114 5. 51 5. 1101 8 36 24 0.043 22 -17 -137 W 2% Anchorage AK -149 55. 61 15. 36 8 37 30 0.043 1 -7 -138 - 2% ** Path limit plus 2-Sigma ** -139 W 2% Tijeras, NM Becky Ramotows -106 15. 34 55. 2195 8 34 29 0.044 33 -31 -141 W 2% Tijeras NM Bruce Levin -106 15. 35 5. 2205 8 34 29 0.045 33 -31 -143 W 2% Lethbridge AB -112 55. 49 45. 909 8 36 15 0.045 23 -19 -143 W 2% Abiquiu NM - Ramey -106 25. 36 15. 1981 8 34 38 0.045 33 -30 -151 W 1% 647 Stone Finder Observatory, C -114 5. 50 45. 1027 8 36 22 0.048 22 -18 -155 W 1% ALBUQUERQUE NM DULLECK~GEORGE -106 25. 35 5. 0 8 34 29 0.049 33 -31 -156 W 1% CapillaP NM 1983_426Unm Obs. -106 25. 34 45. 2842 8 34 26 0.049 33 -31 -158 W 1% ALBQURQE NM MORGAN COL.RET.MACP -106 25. 35 5. 1749 8 34 29 0.050 33 -31 -161 W 1% 661 Rothney Astrophysical Obser -114 15. 50 55. 1275 8 36 22 0.051 22 -18 -161 W 1% Great Falls MT -111 15. 47 25. 1017 8 36 0 0.051 25 -20 -161 W 1% H02 Sulphur Flats Observatory, -106 35. 35 55. 2365 8 34 35 0.051 33 -30 -165 W 1% Fenton Hill NM David Palmer -106 45. 35 55. 2656 8 34 35 0.052 33 -30 -167 W 1% El Paso TX Charles R. Garbe -106 25. 31 45. 1166 8 34 3 0.053 34 -34 -169 W 0% H03 Sandia View Observatory, Ri -106 35. 35 15. 1606 8 34 30 0.053 33 -30 -171 W 0% 439 ROTSE-III, Los Alamos -106 45. 35 55. 2097 8 34 35 0.054 32 -30 -179 W 0% CiudadJuarez MX -106 25. 31 45. 1125 8 34 2 0.057 34 -34 -179 W 0% El Paso TX -106 25. 31 45. 1125 8 34 2 0.057 34 -34 -184 W 0% LOS LUNAS NM WELCH~STEVE -106 45. 34 45. 1515 8 34 26 0.058 33 -31 -184 W 0% 704 Lincoln Laboratory ETS, New -106 35. 33 45. 1477 8 34 19 0.058 33 -32 -185 - 0% ** Path limit plus 3-Sigma ** Prediction of 2019 Apr 18.2