Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 5 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/30/2018   18:32:47   (   0.00, -75.19) (  -0.45, -77.20)  229.22                80
 05/31/2018   18:16:43   (   0.01, -75.19) (   0.57, -72.67)  287.45                80
 06/02/2018   06:38:31   (  -0.01, -75.20) (   0.58, -77.95)  312.46                80
 06/03/2018   06:17:07   (  -0.01, -75.20) (  -0.44, -73.42)  204.42                80
 06/04/2018   18:39:02   (   0.02, -75.21) (  -0.79, -78.71)  399.09                80
 06/05/2018   18:22:57   (   0.02, -75.22) (   0.23, -74.18)  118.37                80
 06/07/2018   06:44:46   (  -0.02, -75.24) (   0.91, -79.45)  480.06                80
 06/08/2018   06:23:21   (  -0.02, -75.25) (  -0.11, -74.92)   37.59                80
 06/10/2018   18:26:32   (   0.03, -75.28) (  -0.09, -75.68)   47.38                80
 06/11/2018   18:10:28   (   0.03, -75.29) (   0.94, -71.16)  470.69                80