Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 5 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/15/2019   06:32:16   (   0.00, -75.19) (   0.27, -76.47)  144.91                80
 05/16/2019   06:10:51   (   0.00, -75.20) (  -0.72, -71.93)  371.73                80
 05/17/2019   18:32:49   (  -0.00, -75.21) (  -0.45, -77.24)  231.99                80
 05/18/2019   18:16:44   (  -0.00, -75.21) (   0.54, -72.71)  285.05                80
 05/20/2019   06:38:33   (  -0.00, -75.23) (   0.60, -77.99)  314.43                80
 05/21/2019   06:17:09   (  -0.01, -75.24) (  -0.39, -73.45)  202.69                80
 05/22/2019   18:39:06   (   0.01, -75.25) (  -0.78, -78.76)  400.39                80
 05/23/2019   18:23:02   (   0.01, -75.26) (   0.22, -74.23)  117.27                80
 05/25/2019   06:44:51   (  -0.02, -75.29) (   0.92, -79.51)  480.93                80
 05/26/2019   06:23:27   (  -0.02, -75.31) (  -0.07, -74.98)   37.12                80