Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 2 21.  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)
 02/22/2018   13:05:59   (   0.02,-135.44) (   0.86,-139.04)  411.49                80
 02/23/2018   12:54:28   (   0.02,-135.43) (   0.22,-136.23)   91.28                80
 02/24/2018   12:40:16   (   0.02,-135.43) (  -0.43,-133.42)  228.77                80
 02/27/2018   01:04:19   (  -0.03,-135.39) (  -0.77,-138.49)  354.75                80
 02/28/2018   00:52:48   (  -0.03,-135.38) (  -0.12,-135.68)   35.26                80
 03/01/2018   00:38:36   (  -0.03,-135.37) (   0.53,-132.87)  284.41                80
 03/03/2018   13:00:02   (   0.03,-135.36) (   0.61,-137.97)  297.54                80
 03/04/2018   12:51:10   (   0.03,-135.35) (   0.01,-135.15)   22.08                80
 03/05/2018   12:36:58   (   0.03,-135.33) (  -0.64,-132.34)  341.15                80