Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 5 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/09/2019   06:44:42   (  -0.00, -75.19) (   0.96, -79.48)  488.02                80
 05/10/2019   06:23:17   (  -0.00, -75.19) (  -0.03, -74.94)   27.98                80
 05/12/2019   18:26:31   (   0.00, -75.19) (  -0.10, -75.73)   60.60                80
 05/13/2019   18:10:27   (   0.00, -75.20) (   0.89, -71.19)  455.98                80
 05/15/2019   06:32:15   (  -0.00, -75.20) (   0.31, -76.46)  144.17                80
 05/16/2019   06:10:52   (  -0.00, -75.21) (  -0.74, -71.94)  372.75                80
 05/17/2019   18:32:49   (   0.01, -75.22) (  -0.43, -77.25)  230.53                80
 05/18/2019   18:16:45   (   0.01, -75.23) (   0.56, -72.71)  286.72                80
 05/20/2019   06:38:34   (  -0.02, -75.25) (   0.58, -77.99)  312.42                80
 05/21/2019   06:17:09   (  -0.02, -75.26) (  -0.41, -73.46)  205.03                80