Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 6 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/13/2019   18:26:46   (   0.01, -75.20) (  -0.11, -75.76)   63.59                80
 06/14/2019   18:10:41   (   0.01, -75.21) (   0.89, -71.23)  453.33                80
 06/16/2019   06:32:30   (  -0.00, -75.22) (   0.29, -76.50)  146.08                80
 06/17/2019   06:11:05   (  -0.01, -75.23) (  -0.71, -71.97)  371.00                80
 06/18/2019   18:33:03   (   0.01, -75.24) (  -0.45, -77.28)  232.35                80
 06/19/2019   18:16:58   (   0.01, -75.25) (   0.55, -72.74)  285.17                80
 06/21/2019   06:38:47   (  -0.01, -75.27) (   0.58, -78.03)  313.05                80
 06/22/2019   06:17:23   (  -0.01, -75.29) (  -0.42, -73.49)  204.81                80
 06/23/2019   18:39:19   (   0.01, -75.31) (  -0.79, -78.79)  397.34                80
 06/24/2019   18:23:16   (   0.01, -75.33) (   0.27, -74.27)  121.25                80