Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2018 4 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 04/11/2018   08:47:22   (   0.03, -75.21) (  -0.33, -73.67)  175.78                80
 04/12/2018   08:35:50   (   0.03, -75.22) (  -0.97, -70.85)  498.38                80
 04/13/2018   21:08:51   (  -0.03, -75.23) (  -0.87, -78.76)  403.45                80
 04/14/2018   20:57:20   (  -0.03, -75.25) (  -0.19, -75.96)   80.58                80
 04/15/2018   20:48:27   (  -0.03, -75.27) (   0.44, -73.14)  242.38                80
 04/18/2018   09:09:42   (   0.02, -75.33) (   0.70, -78.19)  326.72                80
 04/19/2018   08:58:09   (   0.02, -75.35) (   0.05, -75.37)    4.86                80
 04/20/2018   08:43:58   (   0.02, -75.36) (  -0.65, -72.57)  319.48                80
 04/22/2018   21:05:29   (  -0.02, -75.40) (  -0.52, -77.68)  259.31                80
 04/23/2018   20:56:36   (  -0.02, -75.42) (   0.12, -74.86)   64.37                80