Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 10 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/22/2019   06:32:39   (   0.00, -75.20) (   0.26, -76.49)  146.00                80
 10/23/2019   06:11:13   (  -0.00, -75.20) (  -0.72, -71.95)  370.71                80
 10/24/2019   18:33:10   (  -0.00, -75.22) (  -0.43, -77.26)  231.96                80
 10/25/2019   18:17:04   (  -0.00, -75.23) (   0.55, -72.72)  285.28                80
 10/27/2019   06:38:51   (   0.00, -75.24) (   0.63, -77.99)  314.76                80
 10/28/2019   06:17:27   (  -0.00, -75.25) (  -0.41, -73.47)  202.71                80
 10/29/2019   18:39:22   (   0.00, -75.27) (  -0.80, -78.77)  399.04                80
 10/30/2019   18:23:18   (   0.00, -75.29) (   0.25, -74.25)  118.85                80
 11/01/2019   06:45:05   (   0.00, -75.30) (   0.93, -79.52)  480.10                80
 11/02/2019   06:23:40   (   0.00, -75.32) (  -0.05, -74.98)   38.08                80