Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 1 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/26/2018   06:17:09   (   0.02, -75.19) (  -0.36, -73.45)  197.80                80
 01/27/2018   18:39:05   (  -0.03, -75.20) (  -0.82, -78.75)  404.32                80
 01/28/2018   18:22:59   (  -0.03, -75.21) (   0.18, -74.21)  112.82                80
 01/30/2018   06:44:46   (   0.04, -75.20) (   1.02, -79.47)  487.71                80
 01/31/2018   06:23:21   (   0.04, -75.21) (  -0.04, -74.95)   29.70                80
 02/02/2018   18:26:31   (  -0.04, -75.24) (  -0.13, -75.72)   53.84                80
 02/03/2018   18:10:26   (  -0.04, -75.26) (   0.88, -71.18)  464.35                80
 02/05/2018   06:32:12   (   0.05, -75.27) (   0.33, -76.44)  134.31                80
 02/06/2018   06:10:46   (   0.05, -75.28) (  -0.68, -71.91)  384.18                80
 02/07/2018   18:32:42   (  -0.05, -75.32) (  -0.49, -77.21)  215.57                80