Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2018 6 14.  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)
 06/15/2018   20:47:08   (   0.01, -75.21) (   1.00, -70.83)  499.30                80
 06/17/2018   09:20:01   (  -0.01, -75.23) (   0.77, -78.72)  397.52                80
 06/18/2018   09:08:27   (  -0.02, -75.24) (   0.14, -75.89)   74.83                80
 06/19/2018   08:54:15   (  -0.02, -75.25) (  -0.55, -73.08)  248.11                80
 06/21/2018   21:18:15   (   0.02, -75.29) (  -0.65, -78.14)  325.83                80
 06/22/2018   21:06:41   (   0.02, -75.31) (  -0.01, -75.32)    3.58                80
 06/23/2018   20:52:29   (   0.03, -75.33) (   0.70, -72.51)  321.81                80
 06/26/2018   09:16:28   (  -0.03, -75.39) (   0.46, -77.58)  249.35                80
 06/27/2018   09:02:15   (  -0.04, -75.41) (  -0.18, -74.76)   74.78                80
 06/28/2018   08:50:43   (  -0.04, -75.44) (  -0.88, -71.95)  399.03                80