Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2021 4 1.  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)
 04/01/2021   23:24:09   (  -0.01, -75.19) (   0.87, -71.29)  445.21                80
 04/03/2021   11:59:23   (   0.02, -75.22) (   0.92, -79.08)  441.14                80
 04/04/2021   11:47:39   (   0.01, -75.22) (   0.27, -76.22)  114.56                80
 04/05/2021   11:33:17   (   0.01, -75.22) (  -0.45, -73.36)  212.31                80
 04/07/2021   23:56:52   (  -0.02, -75.19) (  -0.73, -78.30)  355.02                80
 04/08/2021   23:45:08   (  -0.02, -75.20) (  -0.05, -75.44)   27.30                80
 04/09/2021   23:30:45   (  -0.02, -75.21) (   0.62, -72.58)  300.83                80
 04/12/2021   11:54:17   (   0.02, -75.27) (   0.55, -77.51)  255.61                80
 04/13/2021   11:39:53   (   0.02, -75.29) (  -0.11, -74.65)   72.82                80
 04/14/2021   11:28:11   (   0.01, -75.30) (  -0.83, -71.80)  401.23                80