Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 12 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/16/2020   06:38:07   (   0.01, -75.15) (   0.63, -77.91)  314.72                80
 12/17/2020   06:16:42   (   0.00, -75.15) (  -0.37, -73.38)  201.76                80
 12/18/2020   18:38:40   (  -0.00, -75.17) (  -0.79, -78.69)  401.49                80
 12/19/2020   18:22:35   (   0.00, -75.18) (   0.21, -74.16)  115.73                80
 12/21/2020   06:44:24   (  -0.00, -75.19) (   0.94, -79.44)  483.77                80
 12/22/2020   06:22:59   (  -0.00, -75.20) (  -0.06, -74.91)   33.79                80
 12/24/2020   18:26:12   (   0.01, -75.25) (  -0.09, -75.69)   50.07                80
 12/25/2020   18:10:07   (   0.01, -75.27) (   0.92, -71.16)  468.06                80
 12/27/2020   06:31:56   (  -0.02, -75.29) (   0.24, -76.43)  130.25                80
 12/28/2020   06:10:31   (  -0.02, -75.31) (  -0.77, -71.90)  387.83                80