Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 5 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)
 05/04/2019   06:38:24   (   0.00, -75.22) (   0.60, -77.96)  312.22                80
 05/05/2019   06:17:00   (   0.00, -75.22) (  -0.38, -73.42)  204.84                80
 05/06/2019   18:38:57   (  -0.00, -75.25) (  -0.80, -78.73)  397.67                80
 05/07/2019   18:22:54   (  -0.00, -75.26) (   0.24, -74.21)  119.51                80
 05/09/2019   06:44:42   (  -0.00, -75.26) (   0.96, -79.48)  480.69                80
 05/10/2019   06:23:19   (  -0.00, -75.27) (  -0.09, -74.95)   36.46                80
 05/12/2019   18:26:31   (   0.01, -75.31) (  -0.10, -75.73)   48.19                80
 05/13/2019   18:10:28   (   0.01, -75.32) (   0.95, -71.21)  469.69                80
 05/15/2019   06:32:16   (  -0.01, -75.34) (   0.26, -76.47)  129.06                80
 05/16/2019   06:10:53   (  -0.01, -75.36) (  -0.79, -71.95)  389.09                80
 05/17/2019   18:32:50   (   0.01, -75.40) (  -0.38, -77.26)  211.65                80