Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 6 10.  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   06:44:25   (   0.01, -75.16) (   0.96, -79.41)  484.78                80
 06/13/2020   06:23:01   (   0.01, -75.17) (  -0.08, -74.89)   32.50                80
 06/15/2020   18:26:12   (  -0.00, -75.20) (  -0.09, -75.65)   52.05                80
 06/16/2020   18:10:06   (   0.00, -75.21) (   0.89, -71.11)  465.77                80
 06/18/2020   06:31:55   (  -0.00, -75.22) (   0.24, -76.39)  133.02                80
 06/19/2020   06:10:29   (  -0.01, -75.23) (  -0.75, -71.85)  384.77                80
 06/20/2020   18:32:25   (   0.01, -75.25) (  -0.40, -77.16)  216.81                80
 06/21/2020   18:16:20   (   0.01, -75.27) (   0.58, -72.62)  301.39                80
 06/23/2020   06:38:07   (  -0.00, -75.29) (   0.60, -77.89)  296.57                80
 06/24/2020   06:16:43   (  -0.00, -75.30) (  -0.44, -73.36)  221.61                80