Occultation of TYC 5531-00338-1 by 258 Tyche on 2021 Apr 2 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 72 - 0% ** Path limit plus 3-Sigma ** 60 - 2% ** Path limit plus 2-Sigma ** 48 - 16% ** Path limit plus 1-Sigma ** 35 - 50% *** Path limit *** 8 N 98% Khabarovsk North , RU - Dacha 1 135 35. 49 15. 23 11 38 40 -0.005 16 -20 0 - 100% **** Centre Line **** -35 - 50% *** Path limit *** -48 - 16% ** Path limit plus 1-Sigma ** -60 - 2% ** Path limit plus 2-Sigma ** -71 S 0% Sukpay RU - Igor K. Mobile 2 136 45. 48 5. 286 11 38 39 0.042 18 -22 -72 - 0% ** Path limit plus 3-Sigma ** Prediction of 2021 Mar 17.1