Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 1 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)
 01/15/2018   00:57:32   (   0.07,-134.67) (  -0.77,-138.18)  400.98                80
 01/16/2018   00:46:02   (   0.06,-134.63) (  -0.10,-135.38)   85.61                80
 01/17/2018   00:31:50   (   0.06,-134.58) (   0.52,-132.56)  229.64                80
 01/19/2018   12:53:09   (  -0.05,-134.46) (   0.66,-137.63)  360.61                80
 01/20/2018   12:41:37   (  -0.05,-134.41) (   0.05,-134.81)   45.79                80
 01/21/2018   12:32:47   (  -0.05,-134.36) (  -0.61,-132.01)  268.91                80
 01/24/2018   00:54:18   (   0.05,-134.21) (  -0.60,-137.11)  330.38                80
 01/25/2018   00:42:46   (   0.05,-134.16) (   0.03,-134.30)   16.34                80
 01/26/2018   00:28:35   (   0.05,-134.09) (   0.66,-131.49)  297.63                80