Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 9 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/04/2018   18:17:08   (   0.03, -75.22) (   0.61, -72.67)  291.07                80
 09/06/2018   06:38:57   (  -0.03, -75.23) (   0.59, -77.94)  309.00                80
 09/07/2018   06:17:33   (  -0.03, -75.24) (  -0.46, -73.42)  208.36                80
 09/08/2018   18:39:31   (   0.04, -75.27) (  -0.71, -78.72)  393.54                80
 09/09/2018   18:23:26   (   0.04, -75.28) (   0.28, -74.19)  124.44                80
 09/11/2018   06:45:14   (  -0.04, -75.30) (   0.92, -79.45)  473.99                80
 09/12/2018   06:23:51   (  -0.04, -75.32) (  -0.13, -74.93)   44.42                80
 09/14/2018   18:27:04   (   0.04, -75.38) (  -0.04, -75.71)   37.29                80
 09/15/2018   18:11:00   (   0.04, -75.41) (   1.01, -71.19)  481.58                80
 09/17/2018   06:32:49   (  -0.05, -75.44) (   0.19, -76.45)  115.70                80