Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2021 4 3.  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)
 04/03/2021   11:59:23   (   0.01, -75.22) (   0.90, -79.09)  441.25                80
 04/04/2021   11:47:40   (   0.01, -75.22) (   0.24, -76.22)  114.71                80
 04/05/2021   11:33:16   (   0.01, -75.21) (  -0.41, -73.36)  212.04                80
 04/07/2021   23:56:51   (  -0.02, -75.19) (  -0.76, -78.30)  355.41                80
 04/08/2021   23:45:08   (  -0.02, -75.20) (  -0.09, -75.43)   27.70                80
 04/09/2021   23:30:44   (  -0.02, -75.20) (   0.59, -72.57)  300.31                80
 04/12/2021   11:54:17   (   0.02, -75.27) (   0.53, -77.51)  256.31                80
 04/13/2021   11:39:54   (   0.02, -75.28) (  -0.13, -74.65)   71.99                80
 04/14/2021   11:28:10   (   0.01, -75.29) (  -0.79, -71.79)  400.36                80
 04/16/2021   00:03:27   (  -0.02, -75.28) (  -1.00, -79.59)  491.72                80
 04/16/2021   23:51:44   (  -0.01, -75.30) (  -0.32, -76.73)  163.12                80