Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 2 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)
 02/14/2018   12:57:44   (   0.01,-135.41) (   0.45,-137.30)  216.00                80
 02/15/2018   12:43:32   (   0.01,-135.42) (  -0.18,-134.49)  105.36                80
 02/16/2018   12:32:02   (   0.01,-135.42) (  -0.87,-131.69)  426.55                80
 02/18/2018   01:07:37   (  -0.01,-135.42) (  -0.97,-139.58)  474.58                80
 02/19/2018   00:56:06   (  -0.01,-135.42) (  -0.33,-136.77)  153.66                80
 02/20/2018   00:41:54   (  -0.01,-135.43) (   0.32,-133.96)  167.11                80
 02/21/2018   00:30:23   (  -0.01,-135.43) (   0.97,-131.15)  487.68                80
 02/22/2018   13:03:19   (   0.01,-135.43) (   0.87,-139.04)  412.81                80
 02/23/2018   12:51:49   (   0.01,-135.43) (   0.17,-136.24)   92.82                80
 02/24/2018   12:42:57   (   0.01,-135.42) (  -0.47,-133.43)  227.09                80
 02/27/2018   01:04:20   (  -0.01,-135.38) (  -0.71,-138.51)  356.43                80