Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 6 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/12/2020   06:44:26   (   0.01, -75.16) (   0.95, -79.42)  484.79                80
 06/13/2020   06:23:00   (   0.01, -75.17) (  -0.03, -74.88)   32.50                80
 06/15/2020   18:26:12   (  -0.00, -75.20) (  -0.09, -75.66)   52.01                80
 06/16/2020   18:10:06   (  -0.00, -75.21) (   0.90, -71.12)  465.84                80
 06/18/2020   06:31:54   (  -0.00, -75.22) (   0.29, -76.38)  133.06                80
 06/19/2020   06:10:29   (  -0.01, -75.23) (  -0.75, -71.85)  384.71                80
 06/20/2020   18:32:26   (   0.01, -75.25) (  -0.40, -77.16)  216.80                80
 06/21/2020   18:16:20   (   0.01, -75.27) (   0.59, -72.62)  301.38                80
 06/23/2020   06:38:07   (  -0.00, -75.29) (   0.60, -77.89)  296.69                80
 06/24/2020   06:16:43   (  -0.00, -75.30) (  -0.45, -73.36)  221.51                80