Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2021 6 13.  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)
 06/15/2021   00:02:22   (   0.07, -75.26) (  -0.36, -77.06)  205.83                80
 06/15/2021   23:47:57   (   0.07, -75.27) (   0.30, -74.19)  122.29                80
 06/16/2021   23:36:14   (   0.07, -75.28) (   1.01, -71.34)  450.54                80
 06/18/2021   12:11:20   (  -0.07, -75.30) (   0.84, -79.09)  433.28                80
 06/19/2021   11:59:36   (  -0.08, -75.31) (   0.16, -76.22)  104.61                80
 06/20/2021   11:45:11   (  -0.08, -75.33) (  -0.51, -73.36)  224.23                80
 06/23/2021   00:08:51   (   0.08, -75.35) (  -0.64, -78.32)  339.80                80
 06/23/2021   23:54:28   (   0.09, -75.37) (   0.09, -75.47)   11.38                80
 06/24/2021   23:42:43   (   0.09, -75.39) (   0.76, -72.61)  317.88                80