Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2021 6 14.  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) (  -0.35, -77.06)  205.91                80
 06/15/2021   23:47:57   (   0.07, -75.26) (   0.30, -74.19)  122.18                80
 06/16/2021   23:36:14   (   0.07, -75.27) (   1.02, -71.34)  450.43                80
 06/18/2021   12:11:20   (  -0.07, -75.30) (   0.83, -79.09)  433.30                80
 06/19/2021   11:59:36   (  -0.08, -75.31) (   0.16, -76.22)  104.62                80
 06/20/2021   11:45:11   (  -0.08, -75.33) (  -0.52, -73.36)  224.16                80
 06/23/2021   00:08:51   (   0.08, -75.35) (  -0.62, -78.33)  339.99                80
 06/23/2021   23:57:07   (   0.08, -75.37) (   0.04, -75.46)   11.42                80
 06/24/2021   23:42:42   (   0.09, -75.38) (   0.71, -72.59)  317.66                80
 06/27/2021   12:06:04   (  -0.10, -75.44) (   0.39, -77.49)  235.19                80