Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 2 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/23/2018   18:32:30   (   0.01, -75.20) (  -0.46, -77.17)  224.59                80
 02/24/2018   18:16:25   (   0.01, -75.21) (   0.61, -72.65)  293.24                80
 02/26/2018   06:38:11   (  -0.02, -75.22) (   0.56, -77.91)  306.00                80
 02/27/2018   06:16:46   (  -0.02, -75.23) (  -0.45, -73.37)  211.93                80
 02/28/2018   18:38:41   (   0.02, -75.26) (  -0.73, -78.68)  389.02                80
 03/01/2018   18:22:36   (   0.02, -75.28) (   0.28, -74.14)  129.66                80
 03/03/2018   06:44:22   (  -0.02, -75.30) (   0.89, -79.40)  467.61                80
 03/04/2018   06:22:57   (  -0.02, -75.32) (  -0.13, -74.87)   51.39                80
 03/06/2018   18:26:07   (   0.02, -75.39) (  -0.03, -75.64)   28.71                80
 03/07/2018   18:10:01   (   0.03, -75.41) (   0.99, -71.10)  490.95                80