Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 10 13.  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)
 10/13/2018   13:22:56   (   0.05,-135.66) (   0.18,-136.10)   50.18                80
 10/14/2018   13:14:02   (   0.06,-135.65) (  -0.48,-133.27)  271.48                80
 10/17/2018   01:32:42   (  -0.02,-135.53) (  -0.65,-138.34)  320.23                80
 10/18/2018   01:21:06   (  -0.03,-135.51) (  -0.04,-135.50)    1.73                80
 10/19/2018   01:12:12   (  -0.03,-135.50) (   0.64,-132.68)  322.41                80
 10/21/2018   13:30:47   (  -0.01,-135.56) (   0.47,-137.73)  246.54                80
 10/22/2018   13:21:51   (  -0.00,-135.54) (  -0.13,-134.89)   74.15                80
 10/23/2018   13:10:17   (   0.01,-135.52) (  -0.79,-132.07)  394.65                80
 10/26/2018   01:28:54   (   0.03,-135.37) (  -0.38,-137.11)  199.36                80
 10/27/2018   01:19:59   (   0.02,-135.34) (   0.29,-134.29)  120.64                80