Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2019 1 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/09/2019   18:35:53   (  -0.01, -75.20) (  -0.47, -77.33)  242.05                80
 01/10/2019   18:14:28   (  -0.01, -75.20) (   0.52, -72.79)  274.82                80
 01/12/2019   06:38:55   (   0.01, -75.21) (   0.67, -78.06)  324.83                80
 01/13/2019   06:17:31   (   0.01, -75.22) (  -0.37, -73.53)  192.33                80
 01/14/2019   18:42:06   (  -0.01, -75.23) (  -0.84, -78.83)  410.40                80
 01/15/2019   18:20:41   (  -0.01, -75.24) (   0.20, -74.30)  107.03                80
 01/17/2019   06:45:09   (   0.02, -75.26) (   0.99, -79.57)  491.83                80
 01/18/2019   06:23:44   (   0.02, -75.27) (  -0.05, -75.04)   25.65                80
 01/20/2019   18:29:35   (  -0.02, -75.29) (  -0.11, -75.82)   59.28                80
 01/21/2019   18:08:10   (  -0.01, -75.31) (   0.87, -71.28)  458.47                80