Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 4 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/26/2019   18:26:22   (   0.01, -75.20) (  -0.07, -75.70)   56.53                80
 04/27/2019   18:10:18   (   0.01, -75.20) (   0.91, -71.17)  460.01                80
 04/29/2019   06:32:06   (  -0.00, -75.20) (   0.29, -76.43)  141.38                80
 04/30/2019   06:10:43   (  -0.01, -75.20) (  -0.76, -71.91)  375.32                80
 05/01/2019   18:32:40   (   0.00, -75.22) (  -0.43, -77.22)  227.06                80
 05/02/2019   18:16:35   (   0.00, -75.23) (   0.56, -72.68)  290.16                80
 05/04/2019   06:38:25   (  -0.00, -75.24) (   0.58, -77.96)  310.03                80
 05/05/2019   06:17:00   (  -0.00, -75.25) (  -0.40, -73.43)  207.19                80
 05/06/2019   18:38:58   (   0.00, -75.27) (  -0.78, -78.74)  394.87                80
 05/07/2019   18:22:53   (   0.00, -75.29) (   0.21, -74.20)  122.67                80
 05/09/2019   06:44:42   (   0.00, -75.30) (   0.93, -79.48)  476.98                80