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   (   0.01, -75.15) (   0.31, -76.38)  141.15                80
 12/12/2020   06:10:24   (   0.01, -75.14) (  -0.71, -71.85)  375.14                80
 12/13/2020   18:32:20   (  -0.01, -75.15) (  -0.47, -77.15)  228.55                80
 12/14/2020   18:16:14   (  -0.01, -75.15) (   0.54, -72.62)  288.05                80
 12/16/2020   06:38:00   (   0.00, -75.14) (   0.63, -77.88)  312.94                80
 12/17/2020   06:16:35   (  -0.00, -75.14) (  -0.38, -73.35)  203.77                80
 12/18/2020   18:38:30   (   0.01, -75.15) (  -0.79, -78.65)  399.17                80
 12/19/2020   18:22:25   (   0.01, -75.16) (   0.22, -74.12)  118.35                80
 12/21/2020   06:44:11   (  -0.01, -75.17) (   0.95, -79.38)  480.63                80
 12/22/2020   06:22:46   (  -0.01, -75.18) (  -0.07, -74.85)   37.28                80
 12/24/2020   18:25:55   (   0.02, -75.22) (  -0.08, -75.62)   45.98                80