Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 1 10.  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)
 01/11/2018   12:44:50   (  -0.08,-134.84) (   0.17,-135.88)  118.71                80
 01/12/2018   12:36:00   (  -0.07,-134.80) (  -0.48,-133.07)  197.30                80
 01/15/2018   00:57:32   (   0.07,-134.67) (  -0.75,-138.18)  400.87                80
 01/16/2018   00:46:01   (   0.06,-134.63) (  -0.13,-135.37)   85.42                80
 01/17/2018   00:31:50   (   0.06,-134.58) (   0.54,-132.57)  229.98                80
 01/19/2018   12:53:08   (  -0.05,-134.47) (   0.69,-137.62)  359.62                80
 01/20/2018   12:41:38   (  -0.05,-134.42) (   0.03,-134.82)   44.68                80
 01/21/2018   12:32:46   (  -0.05,-134.37) (  -0.58,-132.00)  270.13                80
 01/24/2018   00:54:17   (   0.05,-134.22) (  -0.62,-137.11)  329.24                80