Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 5 14.  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   06:32:15   (   0.00, -75.19) (   0.30, -76.46)  144.89                80
 05/16/2019   06:10:52   (   0.01, -75.20) (  -0.75, -71.94)  371.76                80
 05/17/2019   18:32:48   (  -0.00, -75.21) (  -0.48, -77.24)  231.84                80
 05/18/2019   18:16:45   (  -0.00, -75.21) (   0.57, -72.72)  285.25                80
 05/20/2019   06:38:33   (   0.00, -75.23) (   0.63, -77.98)  314.28                80
 05/21/2019   06:17:09   (   0.00, -75.24) (  -0.43, -73.46)  202.89                80
 05/22/2019   18:39:06   (   0.00, -75.25) (  -0.80, -78.76)  400.08                80
 05/23/2019   18:23:02   (   0.01, -75.27) (   0.25, -74.24)  117.57                80
 05/25/2019   06:44:51   (  -0.01, -75.29) (   0.95, -79.50)  480.68                80
 05/26/2019   06:23:27   (  -0.01, -75.31) (  -0.10, -74.98)   37.30                80
 05/28/2019   18:26:40   (   0.02, -75.35) (  -0.06, -75.76)   46.01                80