Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 7 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/22/2018   18:38:59   (   0.01, -75.18) (  -0.76, -78.64)  394.68                80
 07/23/2018   18:22:55   (   0.01, -75.18) (   0.28, -74.12)  121.42                80
 07/25/2018   06:44:44   (  -0.01, -75.19) (   0.92, -79.39)  478.72                80
 07/26/2018   06:23:19   (  -0.01, -75.19) (  -0.06, -74.85)   37.71                80
 07/28/2018   18:26:33   (   0.01, -75.19) (  -0.12, -75.63)   50.84                80
 07/29/2018   18:10:30   (   0.01, -75.20) (   0.92, -71.11)  466.19                80
 07/31/2018   06:29:38   (  -0.01, -75.22) (   0.28, -76.37)  132.56                80
 08/01/2018   06:13:34   (  -0.00, -75.23) (  -0.76, -71.85)  384.74                80
 08/02/2018   18:32:52   (   0.01, -75.24) (  -0.44, -77.15)  219.05                80
 08/03/2018   18:16:48   (   0.00, -75.25) (   0.60, -72.63)  298.52                80
 08/05/2018   06:35:57   (  -0.01, -75.27) (   0.60, -77.90)  299.53                80