Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 12 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/01/2021   06:38:10   (   0.01, -75.21) (   0.65, -77.93)  310.56                80
 01/02/2021   06:16:46   (   0.01, -75.21) (  -0.37, -73.40)  205.71                80
 01/03/2021   18:38:43   (  -0.01, -75.22) (  -0.79, -78.72)  398.53                80
 01/04/2021   18:22:39   (  -0.02, -75.22) (   0.22, -74.19)  118.36                80
 01/06/2021   06:44:26   (   0.01, -75.24) (   0.99, -79.45)  481.21                80
 01/07/2021   06:23:02   (   0.01, -75.24) (  -0.09, -74.94)   35.78                80
 01/09/2021   18:26:14   (  -0.01, -75.26) (  -0.11, -75.71)   50.97                80
 01/10/2021   18:10:10   (  -0.01, -75.27) (   0.91, -71.18)  466.34                80
 01/12/2021   06:31:58   (   0.00, -75.29) (   0.25, -76.45)  132.41                80
 01/13/2021   06:10:34   (   0.00, -75.30) (  -0.77, -71.92)  385.04                80