Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 1 27.  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)
 01/28/2018   12:52:39   (  -0.04,-135.08) (   0.34,-136.60)  173.98                80
 01/29/2018   12:38:28   (  -0.04,-135.11) (  -0.33,-133.79)  149.94                80
 01/30/2018   12:26:58   (  -0.03,-135.14) (  -1.00,-130.99)  473.71                80
 02/01/2018   01:02:37   (   0.02,-135.15) (  -0.85,-138.90)  427.68                80
 02/02/2018   00:51:06   (   0.01,-135.18) (  -0.21,-136.08)  103.88                80
 02/03/2018   00:36:55   (   0.01,-135.21) (   0.48,-133.29)  219.78                80
 02/05/2018   13:00:58   (  -0.01,-135.31) (   0.68,-138.37)  348.26                80
 02/06/2018   12:49:26   (  -0.01,-135.34) (   0.06,-135.55)   25.03                80
 02/07/2018   12:35:16   (  -0.01,-135.36) (  -0.62,-132.75)  298.22                80
 02/10/2018   00:59:22   (  -0.01,-135.39) (  -0.57,-137.84)  280.00                80