Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 4 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/12/2020   18:26:21   (   0.02, -75.20) (  -0.10, -75.74)   60.93                80
 04/13/2020   18:10:17   (   0.02, -75.20) (   0.92, -71.21)  454.89                80
 04/15/2020   06:32:04   (  -0.01, -75.18) (   0.28, -76.47)  147.49                80
 04/16/2020   06:10:40   (  -0.01, -75.17) (  -0.74, -71.94)  368.67                80
 04/17/2020   18:32:36   (   0.00, -75.19) (  -0.46, -77.24)  234.37                80
 04/18/2020   18:16:32   (   0.00, -75.19) (   0.57, -72.71)  282.47                80
 04/20/2020   06:38:19   (  -0.00, -75.19) (   0.63, -77.98)  318.17                80
 04/21/2020   06:16:54   (  -0.00, -75.19) (  -0.39, -73.45)  198.86                80
 04/22/2020   18:38:51   (   0.00, -75.21) (  -0.80, -78.75)  403.32                80
 04/23/2020   18:22:46   (   0.01, -75.22) (   0.23, -74.22)  114.14                80
 04/25/2020   06:44:33   (  -0.01, -75.23) (   0.97, -79.48)  485.44                80