Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 12 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/26/2019   06:10:40   (   0.01, -75.19) (  -0.74, -71.91)  374.71                80
 12/27/2019   18:35:15   (  -0.02, -75.20) (  -0.45, -77.21)  228.28                80
 12/28/2019   18:13:50   (  -0.01, -75.20) (   0.56, -72.67)  288.81                80
 12/30/2019   06:38:16   (   0.01, -75.21) (   0.63, -77.93)  310.80                80
 12/31/2019   06:16:50   (   0.00, -75.22) (  -0.37, -73.40)  206.74                80
 01/01/2020   18:41:27   (  -0.01, -75.24) (  -0.76, -78.71)  394.77                80
 01/02/2020   18:20:01   (  -0.00, -75.26) (   0.25, -74.18)  123.26                80
 01/04/2020   06:44:27   (   0.01, -75.27) (   0.94, -79.44)  474.90                80
 01/05/2020   06:23:02   (   0.01, -75.29) (  -0.07, -74.91)   43.38                80
 01/07/2020   18:28:52   (  -0.01, -75.34) (  -0.10, -75.67)   38.73                80
 01/08/2020   18:07:26   (  -0.01, -75.35) (   0.91, -71.14)  479.79                80