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)
 07/23/2018   18:22:55   (   0.01, -75.18) (   0.25, -74.12)  121.37                80
 07/25/2018   06:44:43   (  -0.01, -75.19) (   0.94, -79.38)  478.73                80
 07/26/2018   06:23:20   (  -0.01, -75.19) (  -0.09, -74.86)   37.56                80
 07/28/2018   18:26:34   (   0.01, -75.19) (  -0.08, -75.64)   50.87                80
 07/29/2018   18:10:29   (   0.01, -75.20) (   0.90, -71.10)  466.07                80
 07/31/2018   06:32:18   (  -0.01, -75.22) (   0.24, -76.38)  132.66                80
 08/01/2018   06:13:34   (  -0.01, -75.22) (  -0.74, -71.85)  384.60                80
 08/02/2018   18:32:52   (   0.01, -75.23) (  -0.41, -77.16)  219.27                80
 08/03/2018   18:16:48   (   0.00, -75.25) (   0.58, -72.63)  298.28                80
 08/05/2018   06:35:57   (  -0.01, -75.27) (   0.57, -77.91)  299.75                80