Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 12 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/01/2020   06:16:48   (   0.00, -75.18) (  -0.37, -73.38)  204.40                80
 12/02/2020   18:38:43   (  -0.01, -75.19) (  -0.82, -78.68)  398.49                80
 12/03/2020   18:22:38   (  -0.02, -75.20) (   0.19, -74.15)  118.60                80
 12/05/2020   06:44:24   (   0.02, -75.19) (   0.99, -79.41)  481.81                80
 12/06/2020   06:22:59   (   0.02, -75.20) (  -0.02, -74.88)   35.33                80
 12/08/2020   18:26:10   (  -0.02, -75.22) (  -0.09, -75.66)   49.81                80
 12/09/2020   18:10:04   (  -0.03, -75.23) (   0.92, -71.13)  468.04                80
 12/11/2020   06:31:51   (   0.03, -75.24) (   0.26, -76.39)  130.98                80
 12/12/2020   06:10:25   (   0.03, -75.25) (  -0.75, -71.86)  386.76                80
 12/13/2020   18:32:19   (  -0.04, -75.27) (  -0.49, -77.15)  214.98                80
 12/14/2020   18:16:14   (  -0.04, -75.28) (   0.53, -72.62)  303.22                80