Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 4 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/24/2019   06:23:08   (  -0.01, -75.19) (  -0.08, -74.92)   31.44                80
 04/26/2019   18:26:21   (   0.00, -75.21) (  -0.13, -75.69)   55.13                80
 04/27/2019   18:10:18   (   0.00, -75.22) (   0.92, -71.17)  461.85                80
 04/29/2019   06:32:06   (  -0.00, -75.22) (   0.28, -76.43)  138.76                80
 04/30/2019   06:10:43   (  -0.00, -75.23) (  -0.76, -71.91)  378.38                80
 05/01/2019   18:32:40   (   0.00, -75.26) (  -0.43, -77.22)  223.52                80
 05/02/2019   18:16:35   (   0.00, -75.27) (   0.56, -72.68)  294.15                80
 05/04/2019   06:38:25   (  -0.00, -75.28) (   0.58, -77.97)  305.25                80
 05/05/2019   06:17:00   (  -0.00, -75.30) (  -0.40, -73.43)  212.41                80
 05/06/2019   18:38:58   (  -0.00, -75.33) (  -0.77, -78.74)  389.15                80