Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 5 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/29/2018   06:10:51   (   0.00, -75.19) (  -0.71, -71.90)  375.04                80
 05/30/2018   18:32:47   (   0.00, -75.19) (  -0.47, -77.20)  229.22                80
 05/31/2018   18:16:43   (   0.01, -75.19) (   0.56, -72.67)  287.52                80
 06/02/2018   06:38:31   (  -0.01, -75.20) (   0.60, -77.94)  312.17                80
 06/03/2018   06:17:06   (  -0.01, -75.21) (  -0.43, -73.41)  204.74                80
 06/04/2018   18:39:03   (   0.02, -75.21) (  -0.75, -78.72)  398.76                80
 06/05/2018   18:22:58   (   0.02, -75.22) (   0.28, -74.19)  118.77                80
 06/07/2018   06:44:46   (  -0.02, -75.24) (   0.93, -79.45)  479.49                80
 06/08/2018   06:23:21   (  -0.02, -75.25) (  -0.09, -74.92)   38.17                80
 06/10/2018   18:26:33   (   0.03, -75.28) (  -0.05, -75.69)   46.63                80
 06/11/2018   18:10:28   (   0.03, -75.30) (   0.97, -71.17)  471.40                80