Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 4 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/27/2019   18:10:17   (  -0.00, -75.20) (   0.88, -71.16)  460.49                80
 04/29/2019   06:32:07   (  -0.00, -75.20) (   0.26, -76.44)  141.20                80
 04/30/2019   06:10:42   (   0.00, -75.20) (  -0.73, -71.90)  375.57                80
 05/01/2019   18:32:39   (   0.00, -75.23) (  -0.46, -77.21)  226.72                80
 05/02/2019   18:16:36   (  -0.00, -75.24) (   0.58, -72.69)  290.56                80
 05/04/2019   06:38:24   (   0.00, -75.24) (   0.62, -77.96)  309.81                80
 05/05/2019   06:17:01   (   0.00, -75.25) (  -0.43, -73.44)  207.46                80
 05/06/2019   18:38:58   (  -0.00, -75.28) (  -0.75, -78.74)  394.51                80
 05/07/2019   18:22:54   (   0.00, -75.29) (   0.23, -74.21)  122.93                80
 05/09/2019   06:44:43   (  -0.00, -75.30) (   0.91, -79.49)  477.02                80
 05/10/2019   06:23:18   (  -0.01, -75.31) (  -0.08, -74.95)   40.30                80