Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 4 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/16/2020   06:10:39   (  -0.01, -75.17) (  -0.72, -71.94)  367.96                80
 04/17/2020   18:32:36   (   0.01, -75.18) (  -0.48, -77.24)  235.02                80
 04/18/2020   18:16:31   (   0.01, -75.18) (   0.54, -72.71)  281.63                80
 04/20/2020   06:38:19   (  -0.00, -75.17) (   0.60, -77.98)  319.72                80
 04/21/2020   06:16:54   (  -0.01, -75.18) (  -0.37, -73.44)  197.12                80
 04/22/2020   18:38:51   (   0.01, -75.20) (  -0.77, -78.76)  405.00                80
 04/23/2020   18:22:46   (   0.01, -75.21) (   0.20, -74.21)  112.31                80
 04/25/2020   06:44:34   (  -0.01, -75.21) (   0.94, -79.49)  487.99                80
 04/26/2020   06:23:10   (  -0.01, -75.21) (  -0.09, -74.96)   29.31                80
 04/28/2020   18:26:20   (   0.00, -75.25) (  -0.13, -75.72)   55.23                80