Occultation of TYC 0137-01149-1 by 258 Tyche on 2023 Dec 10 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 69 - 0% ** Path limit plus 3-Sigma ** 60 - 2% ** Path limit plus 2-Sigma ** 51 - 16% ** Path limit plus 1-Sigma ** 46 N 33% B & G Weller, Na imo, BC -124 5. 49 15. 102 10 15 22 -0.032 43 -54 42 - 50% *** Path limit *** 26 N 96% Vancouver BC -123 5. 49 15. 43 10 15 16 -0.018 42 -53 24 N 98% Dan Collier, Mac llanSC, Vanc'r -123 5. 49 15. 9 10 15 16 -0.016 42 -53 22 N 99% Vancouver, BC Bill Ronald -123 15. 49 15. 96 10 15 16 -0.015 42 -53 22 N 99% Bill Ronald, Vancouver, BC -123 15. 49 15. 96 10 15 16 -0.015 42 -53 16 N 100% Mark Kardos, Courtenay,BC -124 55. 48 45. 59 10 15 27 -0.011 43 -55 15 N 100% Burnaby, BC Leigh Palmer -122 55. 49 15. 30 10 15 15 -0.010 42 -53 0 - 100% **** Centre Line **** -7 S 100% PT. ROBERTS WA - DON MCAFEE -123 5. 48 55. 51 10 15 16 0.005 43 -53 -32 S 87% 652 Rock Finder Observatory, Ca -114 5. 51 5. 869 10 14 25 0.022 39 -47 -34 S 82% CALGARY AB BILLINGS~GARY W -114 5. 51 5. 1101 10 14 25 0.023 39 -47 -39 S 62% CALGARY AB LOWE~ANDREW -114 5. 51 5. 1045 10 14 25 0.027 39 -47 -40 S 60% Summerland BC - Dave Gamble -119 45. 49 35. 500 10 14 56 0.027 41 -51 -42 - 50% *** Path limit *** -44 S 41% Sid Sidhu, Victo a, BC -123 25. 48 35. 262 10 15 19 0.030 43 -54 -45 S 37% 658 National Research Council o -123 25. 48 35. 199 10 15 18 0.031 43 -54 -50 S 19% D. Lee & D. Benn t, Victoria, B -123 25. 48 25. 48 10 15 18 0.034 43 -54 -51 S 17% 659 Heron Cove Observatory, Orc -122 55. 48 35. 19 10 15 15 0.035 43 -54 -51 - 16% ** Path limit plus 1-Sigma ** -52 S 15% Bellingham WA - Dennis Hoofnagle -122 35. 48 45. 29 10 15 13 0.035 43 -53 -52 S 14% 661 Rothney Astrophysical Obser -114 15. 50 55. 1275 10 14 26 0.036 39 -48 -53 S 12% Victoria BC - Paul Quinn -123 25. 48 25. 30 10 15 18 0.036 43 -54 -54 S 9% 657 Climenhaga Observatory, Vic -123 15. 48 25. 22 10 15 18 0.037 43 -54 -55 S 9% Joe Carr, Victor , BC -123 25. 48 25. 37 10 15 18 0.037 43 -54 -55 S 7% 655 Sooke -123 35. 48 25. -65 10 15 20 0.038 43 -54 -57 S 5% 656 Victoria -123 35. 48 25. 162 10 15 20 0.039 43 -54 -58 S 4% 642 Oak Bay, Victoria -123 15. 48 25. 0 10 15 18 0.040 43 -54 -60 - 2% ** Path limit plus 2-Sigma ** -66 S 0% Okanagan Falls B Alan Whitman -119 35. 49 25. 342 10 14 55 0.045 42 -51 -68 S 0% 647 Stone Finder Observatory, C -114 5. 50 45. 1027 10 14 24 0.047 39 -48 -69 - 0% ** Path limit plus 3-Sigma ** Prediction of 2022 Jun 15.2