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

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/04/2019   18:38:45   (   0.00, -75.20) (  -0.77, -78.70)  397.69                80
 04/05/2019   18:22:40   (   0.00, -75.21) (   0.24, -74.16)  119.18                80
 04/07/2019   06:44:26   (  -0.00, -75.20) (   0.95, -79.42)  481.46                80
 04/08/2019   06:23:00   (  -0.00, -75.20) (  -0.06, -74.89)   35.48                80
 04/10/2019   18:26:10   (   0.00, -75.21) (  -0.12, -75.65)   50.28                80
 04/11/2019   18:10:06   (   0.00, -75.22) (   0.94, -71.13)  466.89                80
 04/13/2019   06:31:52   (   0.00, -75.21) (   0.24, -76.39)  133.38                80
 04/14/2019   06:10:27   (   0.00, -75.22) (  -0.77, -71.85)  383.89                80
 04/15/2019   18:32:22   (  -0.00, -75.24) (  -0.42, -77.15)  218.04                80
 04/16/2019   18:16:16   (   0.00, -75.25) (   0.59, -72.62)  299.79                80