Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 7 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/08/2019   06:20:07   (  -0.01, -75.19) (  -0.36, -73.48)  194.49                80
 07/09/2019   18:39:24   (   0.01, -75.19) (  -0.80, -78.79)  410.35                80
 07/10/2019   18:23:19   (   0.01, -75.19) (   0.21, -74.26)  106.32                80
 07/12/2019   06:42:28   (  -0.01, -75.20) (   0.96, -79.53)  493.25                80
 07/13/2019   06:26:23   (  -0.01, -75.21) (  -0.05, -75.00)   23.66                80
 07/15/2019   18:26:56   (   0.01, -75.22) (  -0.10, -75.78)   63.03                80
 07/16/2019   18:10:52   (   0.01, -75.23) (   0.91, -71.25)  454.48                80
 07/18/2019   06:30:00   (  -0.01, -75.26) (   0.25, -76.52)  143.67                80
 07/19/2019   06:13:56   (  -0.01, -75.27) (  -0.76, -71.99)  374.31                80
 07/20/2019   18:33:12   (   0.01, -75.29) (  -0.45, -77.29)  228.07                80
 07/21/2019   18:17:07   (   0.00, -75.31) (   0.56, -72.76)  290.37                80