Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 2 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/28/2018   18:38:40   (  -0.01, -75.18) (  -0.79, -78.66)  397.20                80
 03/01/2018   18:22:35   (  -0.01, -75.18) (   0.22, -74.13)  120.36                80
 03/03/2018   06:44:21   (   0.02, -75.19) (   0.95, -79.39)  478.60                80
 03/04/2018   06:22:56   (   0.01, -75.20) (  -0.06, -74.86)   39.19                80
 03/06/2018   18:26:05   (  -0.01, -75.24) (  -0.11, -75.62)   43.59                80
 03/07/2018   18:10:00   (  -0.01, -75.26) (   0.91, -71.09)  474.97                80
 03/09/2018   06:31:46   (   0.01, -75.28) (   0.26, -76.35)  122.50                80
 03/10/2018   06:10:21   (   0.01, -75.29) (  -0.75, -71.82)  396.09                80
 03/11/2018   18:32:16   (  -0.02, -75.33) (  -0.42, -77.12)  204.14                80
 03/12/2018   18:16:11   (  -0.02, -75.35) (   0.59, -72.58)  315.04                80
 03/14/2018   06:37:57   (   0.02, -75.38) (   0.58, -77.85)  281.08                80