Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 6 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/20/2020   18:35:05   (  -0.01, -75.20) (  -0.45, -77.15)  221.77                80
 06/21/2020   18:13:40   (  -0.00, -75.21) (   0.59, -72.62)  295.17                80
 06/23/2020   06:38:07   (   0.00, -75.21) (   0.59, -77.89)  304.94                80
 06/24/2020   06:16:42   (  -0.00, -75.21) (  -0.40, -73.35)  212.18                80
 06/25/2020   18:38:38   (  -0.00, -75.23) (  -0.76, -78.65)  390.00                80
 06/26/2020   18:22:33   (  -0.00, -75.24) (   0.23, -74.11)  127.71                80
 06/28/2020   06:44:20   (   0.01, -75.25) (   0.95, -79.38)  471.02                80
 06/29/2020   06:22:56   (   0.00, -75.26) (  -0.09, -74.85)   46.84                80
 07/01/2020   18:26:07   (   0.01, -75.30) (  -0.07, -75.62)   36.45                80
 07/02/2020   18:10:02   (   0.01, -75.32) (   0.98, -71.10)  481.84                80