Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2018 6 27.  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)
 06/28/2018   08:50:41   (   0.01, -75.20) (  -0.76, -71.92)  374.95                80
 06/30/2018   21:11:59   (  -0.00, -75.20) (  -0.39, -76.97)  202.61                80
 07/01/2018   21:03:06   (  -0.00, -75.20) (   0.25, -74.16)  119.79                80
 07/02/2018   20:51:32   (  -0.00, -75.21) (   0.90, -71.34)  442.28                80
 07/04/2018   09:24:26   (   0.00, -75.23) (   0.93, -79.21)  454.44                80
 07/05/2018   09:12:52   (   0.00, -75.24) (   0.29, -76.39)  131.67                80
 07/06/2018   08:58:39   (  -0.00, -75.26) (  -0.36, -73.57)  191.29                80
 07/08/2018   21:19:58   (  -0.00, -75.27) (  -0.76, -78.64)  383.71                80
 07/09/2018   21:08:24   (  -0.00, -75.28) (  -0.10, -75.82)   60.58                80
 07/10/2018   20:59:31   (  -0.00, -75.30) (   0.55, -73.00)  262.65                80