Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 8 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)
 08/10/2018   06:44:56   (  -0.02, -75.21) (   0.90, -79.42)  479.33                80
 08/11/2018   06:23:31   (  -0.02, -75.20) (  -0.08, -74.88)   36.17                80
 08/13/2018   18:26:45   (   0.02, -75.20) (  -0.07, -75.67)   53.24                80
 08/14/2018   18:10:40   (   0.02, -75.20) (   0.91, -71.13)  463.02                80
 08/16/2018   06:32:30   (  -0.02, -75.20) (   0.23, -76.41)  137.41                80
 08/17/2018   06:11:05   (  -0.02, -75.20) (  -0.75, -71.87)  379.20                80
 08/18/2018   18:35:43   (   0.02, -75.21) (  -0.44, -77.18)  224.71                80
 08/19/2018   18:14:19   (   0.02, -75.22) (   0.60, -72.66)  292.20                80
 08/21/2018   06:38:47   (  -0.03, -75.23) (   0.60, -77.92)  307.35                80
 08/22/2018   06:17:24   (  -0.03, -75.24) (  -0.44, -73.40)  209.83                80