Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 5 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/04/2019   06:38:25   (   0.00, -75.22) (   0.59, -77.96)  312.35                80
 05/05/2019   06:17:00   (   0.00, -75.22) (  -0.40, -73.43)  204.64                80
 05/06/2019   18:38:57   (   0.00, -75.25) (  -0.79, -78.73)  397.86                80
 05/07/2019   18:22:54   (   0.00, -75.25) (   0.26, -74.21)  119.28                80
 05/09/2019   06:44:42   (  -0.00, -75.26) (   0.94, -79.48)  481.01                80
 05/10/2019   06:23:19   (  -0.00, -75.27) (  -0.10, -74.96)   36.24                80
 05/12/2019   18:26:32   (   0.00, -75.31) (  -0.09, -75.73)   48.36                80
 05/13/2019   18:10:27   (   0.00, -75.32) (   0.90, -71.20)  469.50                80
 05/15/2019   06:32:16   (  -0.00, -75.34) (   0.25, -76.48)  129.34                80
 05/16/2019   06:10:52   (  -0.00, -75.36) (  -0.74, -71.94)  388.79                80