Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 1 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/12/2019   06:38:55   (   0.02, -75.20) (   0.65, -78.06)  326.45                80
 01/13/2019   06:17:30   (   0.01, -75.20) (  -0.33, -73.52)  189.93                80
 01/14/2019   18:42:06   (  -0.02, -75.20) (  -0.82, -78.83)  414.41                80
 01/15/2019   18:20:41   (  -0.01, -75.20) (   0.16, -74.30)  102.25                80
 01/17/2019   06:45:08   (   0.02, -75.20) (   1.03, -79.56)  497.55                80
 01/18/2019   06:23:44   (   0.02, -75.21) (  -0.01, -75.04)   19.09                80
 01/20/2019   18:29:34   (  -0.02, -75.21) (  -0.15, -75.81)   68.15                80
 01/21/2019   18:08:09   (  -0.02, -75.21) (   0.83, -71.27)  448.76                80
 01/23/2019   06:32:37   (   0.02, -75.23) (   0.30, -76.55)  150.29                80
 01/24/2019   06:11:12   (   0.02, -75.24) (  -0.69, -72.01)  367.01                80