Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2018 6 29.  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)
 06/30/2018   21:11:59   (   0.01, -75.20) (  -0.40, -76.97)  202.97                80
 07/01/2018   21:03:06   (   0.02, -75.20) (   0.25, -74.15)  119.29                80
 07/02/2018   20:51:32   (   0.02, -75.21) (   0.90, -71.34)  441.71                80
 07/04/2018   09:24:27   (  -0.02, -75.23) (   0.87, -79.23)  455.22                80
 07/05/2018   09:12:53   (  -0.03, -75.24) (   0.23, -76.41)  132.50                80
 07/06/2018   08:58:40   (  -0.03, -75.25) (  -0.42, -73.59)  190.37                80
 07/08/2018   21:19:58   (   0.03, -75.27) (  -0.75, -78.64)  384.68                80
 07/09/2018   21:08:24   (   0.03, -75.28) (  -0.10, -75.82)   61.65                80
 07/10/2018   20:59:31   (   0.04, -75.29) (   0.55, -73.00)  261.42                80
 07/13/2018   09:20:51   (  -0.05, -75.34) (   0.56, -78.07)  311.36                80