Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 3 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/17/2019   06:38:25   (  -0.00, -75.20) (   0.63, -77.97)  316.22                80
 03/18/2019   06:17:00   (   0.00, -75.20) (  -0.37, -73.43)  200.82                80
 03/19/2019   18:38:56   (  -0.00, -75.21) (  -0.77, -78.74)  402.52                80
 03/20/2019   18:22:51   (  -0.00, -75.21) (   0.23, -74.21)  114.92                80
 03/22/2019   06:44:37   (   0.00, -75.23) (   0.96, -79.47)  483.52                80
 03/23/2019   06:23:13   (  -0.00, -75.24) (  -0.10, -74.94)   34.36                80
 03/25/2019   18:26:22   (   0.01, -75.27) (  -0.10, -75.71)   49.90                80
 03/26/2019   18:10:17   (   0.01, -75.28) (   0.90, -71.17)  468.42                80
 03/28/2019   06:32:04   (  -0.00, -75.31) (   0.23, -76.44)  128.70                80
 03/29/2019   06:10:39   (  -0.00, -75.33) (  -0.77, -71.91)  389.91                80
 03/30/2019   18:32:34   (  -0.00, -75.36) (  -0.42, -77.21)  211.04                80