Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2018 4 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)
 04/19/2018   08:58:10   (   0.01, -75.19) (   0.05, -75.37)   20.42                80
 04/20/2018   08:43:57   (   0.02, -75.19) (  -0.60, -72.55)  300.65                80
 04/22/2018   21:05:28   (   0.01, -75.17) (  -0.57, -77.66)  284.60                80
 04/23/2018   20:56:35   (   0.01, -75.17) (   0.07, -74.85)   36.74                80
 04/24/2018   20:45:03   (   0.00, -75.17) (   0.70, -72.03)  358.24                80
 04/27/2018   09:03:36   (  -0.01, -75.20) (   0.45, -77.06)  213.39                80
 04/28/2018   08:54:44   (  -0.02, -75.21) (  -0.26, -74.26)  108.76                80
 04/29/2018   08:40:32   (  -0.02, -75.22) (  -0.91, -71.45)  430.95                80
 04/30/2018   21:13:35   (   0.03, -75.23) (  -0.94, -79.37)  473.01                80
 05/01/2018   21:02:03   (   0.03, -75.24) (  -0.29, -76.55)  150.39                80