Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 12 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/11/2020   06:31:50   (  -0.00, -75.15) (   0.30, -76.38)  141.47                80
 12/12/2020   06:10:24   (  -0.01, -75.14) (  -0.71, -71.85)  374.68                80
 12/13/2020   18:32:20   (   0.01, -75.15) (  -0.47, -77.15)  229.23                80
 12/14/2020   18:16:15   (   0.01, -75.14) (   0.61, -72.63)  287.28                80
 12/16/2020   06:38:00   (  -0.02, -75.14) (   0.63, -77.88)  313.74                80
 12/17/2020   06:16:35   (  -0.02, -75.14) (  -0.39, -73.35)  203.00                80
 12/18/2020   18:38:30   (   0.02, -75.15) (  -0.79, -78.65)  399.94                80
 12/19/2020   18:22:25   (   0.02, -75.16) (   0.23, -74.12)  117.61                80
 12/21/2020   06:44:11   (  -0.02, -75.17) (   0.94, -79.39)  481.28                80
 12/22/2020   06:22:46   (  -0.02, -75.18) (  -0.08, -74.85)   36.57                80