Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 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)
 12/16/2019   18:38:57   (  -0.01, -75.20) (  -0.81, -78.73)  402.43                80
 12/17/2019   18:22:53   (   0.00, -75.21) (   0.25, -74.21)  114.63                80
 12/19/2019   06:44:39   (  -0.01, -75.22) (   0.94, -79.47)  485.04                80
 12/20/2019   06:23:14   (  -0.01, -75.23) (  -0.06, -74.94)   32.46                80
 12/22/2019   18:26:24   (   0.01, -75.26) (  -0.07, -75.72)   51.32                80
 12/23/2019   18:07:39   (   0.00, -75.27) (   0.93, -71.18)  466.97                80
 12/25/2019   06:32:05   (   0.01, -75.29) (   0.26, -76.44)  131.13                80
 12/26/2019   06:10:40   (   0.00, -75.31) (  -0.74, -71.91)  387.06                80
 12/27/2019   18:35:15   (  -0.00, -75.34) (  -0.44, -77.21)  213.75                80
 12/28/2019   18:13:51   (   0.00, -75.36) (   0.62, -72.69)  304.99                80