Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2020 1 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/04/2020   06:44:26   (   0.03, -75.20) (   1.00, -79.43)  482.59                80
 01/05/2020   06:23:02   (   0.03, -75.20) (  -0.07, -74.90)   34.36                80
 01/07/2020   18:28:52   (  -0.03, -75.21) (  -0.11, -75.67)   52.21                80
 01/08/2020   18:07:26   (  -0.03, -75.21) (   0.90, -71.14)  464.96                80
 01/10/2020   06:31:53   (   0.04, -75.22) (   0.29, -76.40)  134.15                80
 01/11/2020   06:10:27   (   0.03, -75.22) (  -0.72, -71.86)  382.93                80
 01/12/2020   18:35:02   (  -0.04, -75.23) (  -0.46, -77.17)  220.00                80
 01/13/2020   18:13:37   (  -0.04, -75.24) (   0.55, -72.63)  297.47                80
 01/15/2020   06:38:03   (   0.05, -75.26) (   0.64, -77.89)  300.59                80
 01/16/2020   06:16:38   (   0.04, -75.27) (  -0.37, -73.36)  217.22                80
 01/17/2020   18:41:13   (  -0.05, -75.29) (  -0.80, -78.66)  384.51                80