Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2018 6 22.  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)
 06/23/2018   20:55:08   (   0.00, -75.19) (   0.65, -72.50)  308.18                80
 06/26/2018   09:16:27   (  -0.01, -75.23) (   0.56, -77.55)  265.34                80
 06/27/2018   09:02:14   (  -0.02, -75.25) (  -0.14, -74.74)   57.59                80
 06/28/2018   08:50:41   (  -0.02, -75.26) (  -0.78, -71.92)  380.61                80
 06/30/2018   21:14:40   (   0.03, -75.29) (  -0.37, -76.98)  193.62                80
 07/01/2018   21:00:26   (   0.03, -75.31) (   0.28, -74.16)  130.08                80
 07/02/2018   20:51:34   (   0.04, -75.33) (   0.99, -71.36)  453.90                80
 07/04/2018   09:24:27   (  -0.04, -75.37) (   0.85, -79.23)  440.84                80
 07/05/2018   09:12:54   (  -0.04, -75.39) (   0.20, -76.41)  116.67                80
 07/06/2018   08:58:40   (  -0.04, -75.42) (  -0.45, -73.60)  207.63                80