Table 3 from Christou's paper Date Event UT Midtime Impact Correlation Minimum Mean sigma sigma of out-of-eclipse (DD MM YY) type (HH:MM:SS.S) parameter coefficient of chi2 (O-C) (O-C) measurements (km) (rau) (arcsec) (arcsec) (arcsec) 23 06 09 1E5T 15:40:46.2 ± 4.7 1076 ±150 -0.15 1.02 +0.020 0.097 0.101 24 09 09 2E5T 11:28:50.1 ± 4.3 609 ±493 -0.22 0.32 -0.043 0.095 0.100 28 09 09 2E5U 07:01:39.3 ± 4.3 1109 ± 60 +0.04 0.71 +0.009 0.056 0.057