Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 8 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/13/2018   18:26:45   (   0.03, -75.19) (  -0.08, -75.66)   53.63                80
 08/14/2018   18:10:41   (   0.03, -75.20) (   0.96, -71.14)  463.21                80
 08/16/2018   06:29:50   (  -0.03, -75.21) (   0.24, -76.41)  136.16                80
 08/17/2018   06:13:46   (  -0.03, -75.22) (  -0.80, -71.88)  381.06                80
 08/18/2018   18:33:03   (   0.04, -75.24) (  -0.39, -77.19)  222.23                80
 08/19/2018   18:16:59   (   0.04, -75.25) (   0.60, -72.65)  295.28                80
 08/21/2018   06:36:08   (  -0.04, -75.27) (   0.54, -77.93)  303.24                80
 08/22/2018   06:20:04   (  -0.05, -75.29) (  -0.44, -73.40)  214.55                80
 08/23/2018   18:39:22   (   0.05, -75.31) (  -0.68, -78.72)  387.82                80
 08/24/2018   18:23:18   (   0.05, -75.33) (   0.31, -74.18)  130.38                80
 08/26/2018   06:42:27   (  -0.06, -75.36) (   0.84, -79.46)  467.05                80