Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2021 4 27.  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)
 04/29/2021   11:55:44   (   0.03, -75.22) (   0.50, -77.21)  227.08                80
 04/30/2021   11:41:20   (   0.03, -75.22) (  -0.19, -74.35)  100.49                80
 05/01/2021   11:29:37   (   0.03, -75.23) (  -0.87, -71.49)  428.18                80
 05/03/2021   00:04:52   (  -0.03, -75.21) (  -0.95, -79.28)  464.19                80
 05/03/2021   23:53:08   (  -0.02, -75.22) (  -0.32, -76.41)  136.00                80
 05/04/2021   23:38:44   (  -0.02, -75.23) (   0.36, -73.55)  192.51                80
 05/07/2021   12:02:18   (   0.02, -75.31) (   0.75, -78.49)  363.00                80
 05/08/2021   11:50:34   (   0.02, -75.33) (   0.12, -75.62)   33.83                80
 05/09/2021   11:36:10   (   0.02, -75.35) (  -0.58, -72.76)  295.78                80