Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2018 5 18.  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)
 05/18/2018   21:06:38   (   0.00, -75.20) (  -0.45, -77.09)  216.93                80
 05/19/2018   20:57:46   (  -0.00, -75.20) (   0.22, -74.28)  104.89                80
 05/20/2018   20:46:12   (   0.00, -75.20) (   0.84, -71.46)  426.85                80
 05/22/2018   09:18:58   (  -0.00, -75.23) (   0.94, -79.32)  466.80                80
 05/23/2018   09:07:26   (  -0.00, -75.23) (   0.28, -76.50)  144.46                80
 05/24/2018   08:53:13   (  -0.00, -75.24) (  -0.39, -73.69)  178.13                80
 05/26/2018   21:17:20   (   0.00, -75.27) (  -0.84, -78.77)  400.72                80
 05/27/2018   21:05:48   (   0.00, -75.28) (  -0.16, -75.96)   77.48                80
 05/28/2018   20:51:35   (   0.01, -75.30) (   0.53, -73.15)  245.86                80
 05/31/2018   09:15:30   (  -0.02, -75.36) (   0.62, -78.20)  323.16                80
 06/01/2018   09:01:18   (  -0.02, -75.38) (  -0.04, -75.38)    2.34                80