Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 8 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/05/2018   06:38:37   (  -0.00, -75.23) (   0.59, -77.90)  304.01                80
 08/06/2018   06:17:12   (   0.00, -75.23) (  -0.39, -73.36)  212.76                80
 08/07/2018   18:39:11   (  -0.00, -75.24) (  -0.75, -78.68)  390.67                80
 08/08/2018   18:23:06   (  -0.01, -75.25) (   0.23, -74.14)  126.28                80
 08/10/2018   06:44:54   (   0.01, -75.26) (   0.97, -79.41)  473.55                80
 08/11/2018   06:23:31   (   0.01, -75.27) (  -0.07, -74.88)   43.64                80
 08/13/2018   18:29:25   (  -0.02, -75.30) (  -0.08, -75.67)   41.08                80
 08/14/2018   18:08:00   (  -0.01, -75.32) (   0.90, -71.13)  476.87                80
 08/16/2018   06:32:30   (   0.02, -75.34) (   0.24, -76.41)  121.24                80
 08/17/2018   06:11:05   (   0.01, -75.36) (  -0.74, -71.87)  397.03                80