Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 10 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/22/2018   18:17:15   (   0.00, -75.20) (   0.56, -72.71)  282.88                80
 10/24/2018   06:39:02   (  -0.00, -75.21) (   0.63, -77.98)  316.77                80
 10/25/2018   06:17:38   (  -0.00, -75.21) (  -0.41, -73.46)  199.84                80
 10/26/2018   18:39:33   (   0.00, -75.21) (  -0.82, -78.75)  405.26                80
 10/27/2018   18:23:29   (   0.00, -75.21) (   0.21, -74.23)  111.44                80
 10/29/2018   06:45:16   (  -0.01, -75.22) (   0.97, -79.50)  488.03                80
 10/30/2018   06:23:52   (  -0.02, -75.23) (  -0.07, -74.98)   28.52                80
 11/01/2018   18:27:03   (   0.03, -75.23) (  -0.06, -75.76)   59.34                80
 11/02/2018   18:10:58   (   0.03, -75.24) (   0.92, -71.22)  458.04                80
 11/04/2018   06:32:45   (  -0.03, -75.27) (   0.26, -76.49)  139.86                80