Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 3 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/06/2019   06:44:47   (   0.00, -75.19) (   0.96, -79.51)  491.90                80
 03/07/2019   06:23:22   (  -0.00, -75.20) (  -0.04, -74.97)   25.09                80
 03/09/2019   18:26:33   (   0.00, -75.22) (  -0.11, -75.75)   59.80                80
 03/10/2019   18:10:27   (   0.01, -75.23) (   0.89, -71.21)  457.62                80
 03/12/2019   06:32:15   (  -0.00, -75.23) (   0.26, -76.48)  142.23                80
 03/13/2019   06:10:49   (  -0.00, -75.24) (  -0.73, -71.95)  375.25                80
 03/14/2019   18:32:44   (  -0.00, -75.26) (  -0.47, -77.24)  226.44                80
 03/15/2019   18:16:40   (  -0.00, -75.27) (   0.59, -72.72)  291.26                80
 03/17/2019   06:38:26   (   0.00, -75.28) (   0.62, -77.98)  308.16                80
 03/18/2019   06:17:02   (  -0.00, -75.29) (  -0.43, -73.45)  209.68                80
 03/19/2019   18:38:57   (   0.00, -75.32) (  -0.77, -78.75)  391.38                80