Occultation of UCAC4 293-143978 by 94 Aurora on 2023 Sep 22 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 = +/- 1 secs d Proba- Location Longitude Latitude alt U.T. Sepn Alt Sun km bility o ' o ' m h m s " o o 182 - 0% ** Path limit plus 3-Sigma ** 177 S 1% Abiquiu NM - Ramey -106 25. 36 15. 1981 2 21 44 -0.045 20 -16 174 - 2% ** Path limit plus 2-Sigma ** 166 - 16% ** Path limit plus 1-Sigma ** 158 - 50% *** Path limit *** 153 S 75% ARIZONA CITY AZ LAWLER~HAZEL -111 35. 32 45. 0 2 21 18 -0.039 24 -13 148 S 90% PHOENIX AZ MATTHEWS~JOHN -111 5. 33 5. 367 2 21 20 -0.037 24 -13 145 S 95% 919 Desert Beaver Observatory -111 45. 32 45. 232 2 21 17 -0.037 24 -13 142 S 98% GLOBE AZ RON ZIEGLER bad eml -110 45. 33 25. 100 2 21 22 -0.036 23 -13 138 S 99% Pueblo CO -104 35. 38 15. 1428 2 21 51 -0.035 17 -17 134 S 100% Globe AZ- Skyway Obs MOBILE -111 5. 33 15. 1220 2 21 20 -0.034 24 -13 128 S 100% CasaGrnd AZ Cen.AZ Col.Ob.Morte -111 35. 32 55. 450 2 21 17 -0.032 24 -13 101 S 100% Maricopa AZ StonehavenOb,S.Dodd -112 5. 32 55. 429 2 21 14 -0.025 24 -12 99 S 100% Maricopa AZ WWO Mike Collins -112 5. 32 55. 384 2 21 15 -0.025 24 -12 97 S 100% G98 Calvin-Rehoboth Observatory -108 35. 35 35. 1990 2 21 33 -0.024 21 -15 94 S 100% Mesa, AZ Martin Bonadio -111 35. 33 25. 446 2 21 17 -0.024 24 -13 93 S 100% Chandler AZ Michael Collins -111 45. 33 15. 376 2 21 16 -0.024 24 -12 91 S 100% Gallup NM -108 45. 35 35. 1992 2 21 32 -0.023 21 -15 89 S 100% FALCON CO LEE~RONALD G. -104 35. 38 55. 632 2 21 51 -0.023 17 -17 85 S 100% Gilbert AZ 1999Oc25Bill Peters -111 45. 33 25. 374 2 21 16 -0.022 24 -12 85 S 100% GILBERT AZ RATTLEY~GERALD -111 45. 33 25. 375 2 21 16 -0.022 24 -12 85 S 100% Gilbert AZ Kjell Stakkestad -111 45. 33 25. 374 2 21 16 -0.021 24 -12 83 S 100% Mesa AZ Herchak~John A. (Sa -111 45. 33 25. 395 2 21 17 -0.021 24 -13 82 S 100% Gilbert AZ Martin Bonadio -111 45. 33 25. 396 2 21 16 -0.021 24 -12 79 S 100% ColoradoSpgs CO -104 45. 38 55. 1821 2 21 50 -0.020 17 -17 79 S 100% 663 Red Mountain Observatory -111 45. 33 25. 420 2 21 17 -0.020 24 -13 77 S 100% MESA AZ HERCHAK~JOHN Mobile -111 55. 33 25. 365 2 21 16 -0.019 24 -12 76 S 100% Elbert CO ScottDonnellKiowaCk -104 35. 39 5. 2230 2 21 51 -0.019 17 -17 74 S 100% Phoenix AZ - Brian Page 20cm -112 5. 33 15. 382 2 21 15 -0.019 24 -12 73 S 100% Colo Springs CO Mark Torres -104 45. 38 55. 2080 2 21 50 -0.018 17 -17 72 S 100% TEMPE AZ SCHMIDTKE~PAUL -111 55. 33 25. 0 2 21 16 -0.018 24 -12 68 S 100% SCOTTSDALE AZ -111 55. 33 25. 366 2 21 16 -0.017 24 -12 67 S 100% FOUNTAIN HILLSAZ LUCAS~GENE A. -111 45. 33 35. 582 2 21 17 -0.017 23 -12 64 S 100% Fountain HAZ Blank~Ted -111 45. 33 35. 551 2 21 17 -0.016 23 -12 64 S 100% 716 Palmer Divide Observatory, -104 45. 39 5. 2268 2 21 50 -0.016 17 -17 64 S 100% 678 Fountain Hills -111 45. 33 35. 652 2 21 17 -0.016 23 -12 63 S 100% 679 San Pedro Martir -115 25. 31 5. 2797 2 20 55 -0.016 27 -10 62 S 100% Phoenix AZ John Matthews -111 55. 33 25. 380 2 21 15 -0.016 24 -12 62 S 100% 712 USAF Academy Observatory -104 55. 39 5. 2170 2 21 49 -0.016 17 -17 55 S 100% Phoenix AZ Leroy Paller -112 5. 33 35. 378 2 21 15 -0.014 24 -12 50 S 100% SCOTTSDALE AZ - Tony George -111 55. 33 45. 727 2 21 16 -0.013 23 -12 46 S 100% 710 MPO Observatory, Florissant -105 15. 38 55. 2568 2 21 48 -0.012 17 -17 45 S 100% Larkspur CO Martin Hale -104 55. 39 15. 2100 2 21 49 -0.011 17 -17 40 S 100% H09 Antelope Hills Observatory, -104 25. 39 45. 1710 2 21 51 -0.010 16 -17 39 S 100% Guffey CO - Cloudbait Obs -105 25. 38 45. 2767 2 21 47 -0.010 17 -16 38 S 100% Castlrok CO Franklin Miller em? -104 55. 39 25. 1947 2 21 49 -0.010 16 -17 36 S 100% PHOENIX AZ MALEY~PAUL D. -111 55. 33 45. 659 2 21 15 -0.009 23 -12 30 S 100% Fargo ND - 96 45. 46 55. 274 2 22 12 -0.007 7 -20 27 S 100% Sun City AZ -112 25. 33 35. 400 2 21 13 -0.007 24 -12 26 S 100% Ganado, AZ Paul Temple -109 35. 35 45. 1946 2 21 28 -0.006 21 -14 21 S 100% 447 Centennial Observatory -104 45. 39 35. 1723 2 21 49 -0.005 16 -17 19 S 100% 706 Salida -106 5. 38 35. 1631 2 21 44 -0.005 17 -16 18 S 100% RMSS CO Debbie Schermerhorn -105 25. 39 5. 2651 2 21 46 -0.005 17 -16 15 S 100% G88 LAMP Observatory, New River -112 5. 33 55. 671 2 21 14 -0.004 23 -12 7 S 100% ENGLEWOOD CO RASOR~PAT -104 55. 39 35. 1829 2 21 48 -0.002 16 -17 7 S 100% 708 Chamberlin Observatory, Den -104 55. 39 45. 1608 2 21 48 -0.002 16 -17 3 S 100% LITTLETON CO OLASON~MICHAEL -105 5. 39 35. 1896 2 21 48 -0.001 16 -17 1 S 100% DENVER CO DENVER MUSEUM O -104 55. 39 45. 1615 2 21 48 0.000 16 -17 0 - 100% **** Centre Line **** -6 N 100% 707 Chamberlin field station -105 25. 39 25. 0 2 21 46 0.002 16 -16 -9 N 100% Denver CO Moravec~Jim -105 5. 39 55. 1609 2 21 48 0.002 16 -17 -12 N 100% 713 Thornton -105 5. 39 55. 1622 2 21 48 0.003 16 -17 -16 N 100% GOLDEN CO BISQUE~STEVE -105 15. 39 45. 2134 2 21 47 0.004 16 -16 -27 N 100% Yuma AZ Brian Vorndam -114 35. 32 45. 60 2 21 0 0.007 25 -10 -27 N 100% Boulder CO - D. Terrell, 10" -105 5. 40 5. 0 2 21 47 0.007 16 -16 -31 N 100% 700 Chinle -109 35. 36 25. 1592 2 21 27 0.008 20 -14 -31 N 100% GREELEY CO DIETZ~RICHARD D -104 45. 40 25. 1459 2 21 49 0.008 15 -17 -31 N 100% Pierre SD -100 25. 44 25. 451 2 22 3 0.008 10 -19 -35 N 100% Niwot CO - C. Olkin, 14" -105 5. 40 5. 0 2 21 47 0.009 16 -16 -36 N 100% Niwot CO - SwRI -105 15. 40 5. 0 2 21 47 0.009 16 -16 -36 N 100% Cornville AZ - Gerald Madero -111 55. 34 45. 0 2 21 15 0.009 22 -12 -37 N 100% Boulder CO Buie~Marc -105 15. 40 5. 1622 2 21 46 0.009 16 -16 -37 N 100% Boulder CO Jewell~Jack -105 15. 40 5. 1622 2 21 46 0.009 16 -16 -37 N 100% 463 Sommers-Bausch Observatory, -105 15. 40 5. 1622 2 21 46 0.009 16 -16 -38 N 100% MtThrodn CO - R Keen/G Emerson -105 25. 39 55. 2727 2 21 46 0.010 16 -16 -40 N 100% Longmont CO Steve Albers -105 5. 40 15. 1524 2 21 47 0.010 16 -16 -45 N 100% Cottonwood AZ -112 5. 34 45. 0 2 21 15 0.011 22 -12 -48 N 100% Lowell Observatory -111 35. 35 5. 2173 2 21 17 0.012 22 -12 -50 N 100% Miners View, CO Trina Ruhland -106 5. 39 25. 3350 2 21 43 0.013 17 -16 -52 N 100% Grand Forks ND - 97 5. 47 55. 200 2 22 9 0.013 6 -19 -53 N 100% H05 Edmund Kline Observatory, D -105 55. 39 35. 1528 2 21 44 0.013 16 -16 -53 N 100% Prescott AZ Donald Didlein -112 25. 34 35. 1715 2 21 13 0.013 23 -12 -55 N 100% GRAND FORKS ND GAFFEY~MICHAEL - 97 5. 47 55. 457 2 22 9 0.014 6 -19 -55 N 100% 730 University of North Dakota, - 97 5. 47 55. 257 2 22 9 0.014 6 -19 -57 N 100% 684 Prescott -112 25. 34 35. 1763 2 21 12 0.015 23 -12 -58 N 100% G89 Kachina Observatory, Flagst -111 45. 35 5. 2058 2 21 17 0.015 22 -12 -63 N 100% Flagstaff AZ -111 35. 35 15. 2102 2 21 17 0.016 22 -12 -64 N 100% Prescott AZ Bob Thompson -112 25. 34 35. 0 2 21 12 0.016 23 -12 -64 N 100% 690 Lowell Observatory, Flagsta -111 35. 35 15. 2189 2 21 17 0.016 22 -12 -68 N 100% 689 U.S. Naval Observatory, Fla -111 45. 35 15. 2260 2 21 16 0.017 22 -12 -68 N 100% FtColins CO Tom Teters -105 5. 40 35. 1600 2 21 47 0.017 15 -16 -69 N 100% Flagstaf AZ Stone and Sudol -111 45. 35 15. 2267 2 21 16 0.017 22 -12 -71 N 100% PRESCOTT AZ WRIGHT Jr.~FULT -112 35. 34 45. 1576 2 21 12 0.018 23 -12 -92 N 100% Cheyenne WY -104 45. 41 5. 1858 2 21 47 0.023 15 -16 -98 N 100% G78 Desert Wanderer Observatory -115 45. 32 45. -34 2 20 54 0.025 25 -9 -103 N 100% 714 Bagdad -113 15. 34 35. 1193 2 21 9 0.026 23 -11 -104 N 100% 685 Williams, AZ -112 5. 35 25. 0 2 21 14 0.026 22 -12 -116 N 100% Pinawa, MB Patrick O'Conn - 95 55. 50 5. 275 2 22 8 0.029 4 -19 -118 N 100% 918 Badlands Observatory, Quinn -102 5. 43 55. 795 2 21 56 0.030 11 -17 -122 N 100% Tierra delSolOb, SDAA Observato -116 15. 32 35. 1131 2 20 51 0.031 25 -9 -145 N 95% DividingCaAZ Buie~Marc -113 5. 35 5. 1606 2 21 9 0.037 22 -11 -148 N 90% MLagunaO CA San Diego St.Univ. -116 25. 32 55. 1859 2 20 50 0.037 25 -9 -152 N 78% Teulon - Gerry Smerchanski - 97 15. 49 25. 8 2 22 5 0.038 5 -19 -153 N 76% Laramie WY 1983_529YaronSheffe -105 35. 41 15. 2208 2 21 44 0.039 15 -16 -157 N 56% 680 Los Angeles -115 15. 33 45. 0 2 20 57 0.040 24 -10 -158 - 50% *** Path limit *** -159 N 49% Winnipeg MB Chris Brown - 97 5. 49 35. 236 2 22 5 0.040 5 -19 -159 N 46% 729 Glenlea Astronomical Observ - 97 5. 49 35. 171 2 22 5 0.040 5 -19 -163 N 29% Jelm Mtn WY IR observatory -105 55. 41 5. 2947 2 21 42 0.041 15 -16 -166 - 16% ** Path limit plus 1-Sigma ** -168 N 12% 8km n. Tyndall, Scott Young - 96 45. 50 5. 300 2 22 5 0.042 4 -19 -170 N 9% Ft.Garry MB Chris Brown - 97 5. 49 45. 239 2 22 5 0.043 5 -19 -174 N 3% GrndJunction CO -108 35. 39 5. 1398 2 21 31 0.044 18 -14 -174 - 2% ** Path limit plus 2-Sigma ** -175 N 2% Winnipeg MB - 97 5. 49 55. 232 2 22 5 0.044 5 -19 -177 N 1% SAN DIEGO CA FALLA~DANIEL E. -117 5. 32 45. 84 2 20 46 0.045 25 -8 -181 N 0% Ramona, CA Fred Bruenjes -116 45. 32 55. 475 2 20 48 0.046 25 -8 -182 - 0% ** Path limit plus 3-Sigma ** Prediction of 2023 Aug 26.9