Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2021 6 18.  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)
 06/18/2021   12:11:21   (  -0.07, -75.24) (   0.80, -79.10)  439.75                80
 06/19/2021   11:59:35   (  -0.07, -75.22) (   0.18, -76.22)  114.31                80
 06/20/2021   11:45:11   (  -0.07, -75.20) (  -0.49, -73.35)  211.25                80
 06/23/2021   00:08:51   (   0.08, -75.14) (  -0.65, -78.32)  362.77                80
 06/23/2021   23:57:06   (   0.08, -75.12) (   0.02, -75.45)   37.25                80
 06/24/2021   23:42:42   (   0.09, -75.11) (   0.69, -72.59)  288.41                80
 06/27/2021   12:06:02   (  -0.09, -75.10) (   0.47, -77.47)  270.90                80
 06/28/2021   11:51:38   (  -0.10, -75.10) (  -0.21, -74.61)   55.51                80
 06/29/2021   11:39:54   (  -0.11, -75.09) (  -0.89, -71.74)  382.18                80