Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 2 23.  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, -75.19) (  -0.44, -77.17)  225.44                80
 02/24/2018   18:16:25   (   0.01, -75.20) (   0.58, -72.64)  292.32                80
 02/26/2018   06:38:11   (  -0.02, -75.21) (   0.60, -77.90)  306.91                80
 02/27/2018   06:16:45   (  -0.02, -75.22) (  -0.41, -73.37)  210.97                80
 02/28/2018   18:38:41   (   0.02, -75.25) (  -0.77, -78.67)  390.08                80
 03/01/2018   18:22:36   (   0.02, -75.27) (   0.30, -74.15)  128.62                80
 03/03/2018   06:44:23   (  -0.02, -75.29) (   0.87, -79.41)  468.70                80
 03/04/2018   06:22:57   (  -0.02, -75.31) (  -0.14, -74.87)   50.33                80
 03/06/2018   18:26:07   (   0.02, -75.37) (  -0.02, -75.64)   30.05                80
 03/07/2018   18:10:01   (   0.02, -75.40) (   0.99, -71.11)  489.60                80
 03/09/2018   06:31:48   (  -0.03, -75.44) (   0.18, -76.37)  106.31                80