Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 10 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 10/04/2018   13:26:42   (   0.10,-135.69) (   0.45,-137.31)  184.78                80
 10/05/2018   13:17:47   (   0.10,-135.69) (  -0.20,-134.48)  137.76                80
 10/06/2018   13:06:12   (   0.11,-135.68) (  -0.80,-131.65)  460.22                80
 10/08/2018   01:36:29   (  -0.06,-135.59) (  -0.95,-139.55)  451.52                80
 10/09/2018   01:24:54   (  -0.07,-135.59) (  -0.33,-136.72)  128.78                80
 10/10/2018   01:15:58   (  -0.08,-135.59) (   0.29,-133.89)  193.79                80
 10/12/2018   13:34:31   (   0.04,-135.67) (   0.79,-138.93)  371.54                80
 10/13/2018   13:22:57   (   0.05,-135.66) (   0.13,-136.11)   49.75                80
 10/14/2018   13:14:01   (   0.06,-135.65) (  -0.48,-133.27)  272.00                80
 10/17/2018   01:32:40   (  -0.02,-135.53) (  -0.69,-138.32)  319.35                80