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)
 04/05/2019   18:22:39   (   0.00, -75.21) (   0.23, -74.16)  119.23                80
 04/07/2019   06:44:26   (  -0.00, -75.20) (   0.96, -79.42)  481.30                80
 04/08/2019   06:23:00   (  -0.00, -75.20) (  -0.05, -74.88)   35.73                80
 04/10/2019   18:26:11   (   0.00, -75.22) (  -0.08, -75.66)   50.07                80
 04/11/2019   18:10:06   (   0.00, -75.22) (   0.93, -71.12)  467.10                80
 04/13/2019   06:31:52   (   0.00, -75.22) (   0.25, -76.39)  133.02                80
 04/14/2019   06:10:26   (   0.00, -75.22) (  -0.76, -71.85)  384.26                80
 04/15/2019   18:32:22   (  -0.00, -75.24) (  -0.43, -77.15)  217.68                80
 04/16/2019   18:16:16   (  -0.00, -75.25) (   0.58, -72.61)  300.18                80
 04/18/2019   06:38:03   (   0.00, -75.26) (   0.61, -77.88)  298.52                80