Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2018 6 4.  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)
 06/05/2018   21:02:16   (   0.00, -75.19) (   0.12, -74.81)   44.34                80
 06/06/2018   20:50:42   (   0.00, -75.20) (   0.75, -71.99)  366.46                80
 06/09/2018   09:11:59   (  -0.00, -75.23) (   0.40, -77.04)  206.52                80
 06/10/2018   08:57:46   (  -0.01, -75.24) (  -0.22, -74.22)  115.84                80
 06/11/2018   08:46:13   (  -0.01, -75.25) (  -0.90, -71.41)  438.15                80
 06/12/2018   21:19:08   (   0.01, -75.25) (  -0.94, -79.29)  462.42                80
 06/13/2018   21:07:36   (   0.02, -75.26) (  -0.25, -76.49)  139.87                80
 06/14/2018   20:58:42   (   0.03, -75.27) (   0.39, -73.66)  182.76                80
 06/17/2018   09:20:01   (  -0.04, -75.31) (   0.74, -78.73)  389.66                80
 06/18/2018   09:08:28   (  -0.04, -75.32) (   0.11, -75.90)   66.64                80