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

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/02/2019   06:23:48   (   0.01, -75.20) (  -0.00, -75.04)   17.67                80
 01/04/2019   18:29:40   (  -0.01, -75.22) (  -0.13, -75.82)   68.20                80
 01/05/2019   18:08:14   (  -0.01, -75.23) (   0.85, -71.28)  449.12                80
 01/07/2019   06:32:42   (   0.01, -75.24) (   0.33, -76.55)  150.36                80
 01/08/2019   06:11:17   (   0.00, -75.25) (  -0.70, -72.02)  367.20                80
 01/09/2019   18:35:53   (  -0.01, -75.27) (  -0.45, -77.33)  234.38                80
 01/10/2019   18:14:29   (   0.00, -75.29) (   0.58, -72.81)  283.67                80
 01/12/2019   06:38:56   (   0.00, -75.31) (   0.61, -78.07)  314.43                80
 01/13/2019   06:17:32   (  -0.00, -75.33) (  -0.43, -73.55)  203.88                80
 01/14/2019   18:42:07   (  -0.00, -75.36) (  -0.78, -78.85)  396.66                80