Occultation of UCAC4-551-012993 by 140 Siwa on 2019 Oct 30 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 106 - 0% ** Path limit plus 3-Sigma ** 90 - 2% ** Path limit plus 2-Sigma ** 73 - 16% ** Path limit plus 1-Sigma ** 57 - 50% *** Path limit *** 0 - 100% **** Centre Line **** -57 - 50% *** Path limit *** -73 - 16% ** Path limit plus 1-Sigma ** -90 - 2% ** Path limit plus 2-Sigma ** -106 - 0% ** Path limit plus 3-Sigma ** Prediction of 2019 Jul 21.3