Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 10 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/19/2019   18:26:55   (  -0.00, -75.20) (  -0.15, -75.73)   61.16                80
 10/20/2019   18:10:51   (   0.00, -75.21) (   0.89, -71.21)  455.23                80
 10/22/2019   06:32:38   (  -0.00, -75.20) (   0.30, -76.48)  146.10                80
 10/23/2019   06:11:14   (  -0.01, -75.20) (  -0.75, -71.96)  370.42                80
 10/24/2019   18:33:09   (   0.01, -75.22) (  -0.47, -77.25)  232.63                80
 10/25/2019   18:17:04   (   0.01, -75.22) (   0.58, -72.73)  284.60                80
 10/27/2019   06:38:52   (   0.02, -75.23) (   0.61, -78.00)  314.77                80
 10/28/2019   06:17:26   (   0.02, -75.24) (  -0.38, -73.46)  202.77                80
 10/29/2019   18:39:22   (  -0.02, -75.27) (  -0.83, -78.76)  399.26                80
 10/30/2019   18:20:37   (  -0.02, -75.28) (   0.21, -74.24)  118.53                80
 11/01/2019   06:45:04   (   0.03, -75.30) (   0.97, -79.51)  480.17                80