Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 7 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/13/2018   18:10:22   (   0.03, -75.20) (   0.97, -71.10)  467.89                80
 07/15/2018   06:32:09   (  -0.03, -75.21) (   0.25, -76.36)  131.42                80
 07/16/2018   06:10:44   (  -0.03, -75.22) (  -0.78, -71.83)  386.28                80
 07/17/2018   18:32:40   (   0.03, -75.24) (  -0.40, -77.13)  215.57                80
 07/18/2018   18:16:36   (   0.03, -75.26) (   0.64, -72.60)  302.65                80
 07/20/2018   06:38:23   (  -0.04, -75.28) (   0.53, -77.87)  295.08                80
 07/21/2018   06:16:58   (  -0.04, -75.30) (  -0.45, -73.33)  223.48                80
 07/22/2018   18:41:34   (   0.04, -75.33) (  -0.72, -78.63)  377.29                80
 07/23/2018   18:22:50   (   0.05, -75.35) (   0.31, -74.11)  141.55                80
 07/25/2018   06:44:37   (  -0.05, -75.38) (   0.85, -79.37)  455.29                80
 07/26/2018   06:23:13   (  -0.05, -75.40) (  -0.18, -74.85)   63.80                80