Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 7 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/20/2018   06:35:45   (  -0.01, -75.19) (   0.58, -77.87)  304.55                80
 07/21/2018   06:19:41   (  -0.01, -75.19) (  -0.40, -73.33)  211.43                80
 07/22/2018   18:38:59   (   0.01, -75.19) (  -0.76, -78.65)  394.17                80
 07/23/2018   18:22:55   (   0.01, -75.19) (   0.28, -74.12)  122.14                80
 07/25/2018   06:44:44   (  -0.01, -75.20) (   0.92, -79.39)  477.75                80
 07/26/2018   06:26:00   (  -0.01, -75.20) (  -0.11, -74.87)   38.90                80
 07/28/2018   18:26:34   (   0.01, -75.21) (  -0.06, -75.64)   48.88                80
 07/29/2018   18:10:30   (   0.01, -75.22) (   0.92, -71.11)  468.33                80
 07/31/2018   06:29:39   (  -0.01, -75.24) (   0.23, -76.39)  130.20                80
 08/01/2018   06:13:34   (  -0.00, -75.25) (  -0.75, -71.85)  387.33                80