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

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/12/2020   06:10:26   (   0.01, -75.14) (  -0.71, -71.86)  374.07                80
 12/13/2020   18:32:23   (  -0.00, -75.14) (  -0.46, -77.17)  230.65                80
 12/14/2020   18:16:19   (  -0.00, -75.14) (   0.55, -72.64)  285.20                80
 12/16/2020   06:38:07   (  -0.01, -75.13) (   0.61, -77.91)  316.86                80
 12/17/2020   06:16:43   (  -0.01, -75.13) (  -0.39, -73.38)  199.17                80
 12/18/2020   18:38:40   (   0.01, -75.14) (  -0.77, -78.70)  404.71                80
 12/19/2020   18:22:36   (   0.01, -75.15) (   0.24, -74.16)  112.14                80
 12/21/2020   06:44:24   (  -0.02, -75.16) (   0.92, -79.44)  487.85                80
 12/22/2020   06:22:59   (  -0.02, -75.17) (  -0.08, -74.91)   29.35                80
 12/24/2020   18:26:12   (   0.02, -75.20) (  -0.07, -75.69)   55.59                80
 12/25/2020   18:10:08   (   0.02, -75.22) (   0.94, -71.16)  462.25                80