Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 1 12.  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) (  -0.74,-138.19)  401.00                80
 01/16/2018   00:46:01   (   0.06,-134.63) (  -0.13,-135.37)   85.61                80
 01/17/2018   00:31:51   (   0.06,-134.58) (   0.55,-132.57)  229.70                80
 01/19/2018   12:53:08   (  -0.05,-134.46) (   0.69,-137.62)  360.41                80
 01/20/2018   12:41:38   (  -0.05,-134.41) (   0.02,-134.82)   45.57                80
 01/21/2018   12:32:46   (  -0.05,-134.36) (  -0.58,-132.00)  269.18                80
 01/24/2018   00:54:17   (   0.05,-134.22) (  -0.62,-137.11)  330.11                80
 01/25/2018   00:42:46   (   0.05,-134.16) (   0.01,-134.30)   15.98                80
 01/26/2018   00:28:34   (   0.05,-134.10) (   0.64,-131.48)  297.97                80