Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 10 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/13/2018   06:42:40   (  -0.01, -75.20) (   0.97, -79.48)  487.82                80
 10/14/2018   06:23:55   (   0.00, -75.20) (  -0.07, -74.95)   28.95                80
 10/16/2018   18:29:46   (  -0.00, -75.21) (  -0.13, -75.72)   59.20                80
 10/17/2018   18:08:21   (   0.00, -75.22) (   0.90, -71.20)  457.74                80
 10/19/2018   06:32:49   (  -0.00, -75.24) (   0.29, -76.47)  140.83                80
 10/20/2018   06:11:24   (  -0.00, -75.25) (  -0.74, -71.94)  376.52                80
 10/21/2018   18:36:01   (  -0.00, -75.26) (  -0.42, -77.25)  226.90                80
 10/22/2018   18:14:35   (  -0.01, -75.27) (   0.55, -72.72)  290.97                80
 10/24/2018   06:39:02   (   0.02, -75.30) (   0.64, -77.98)  306.31                80
 10/25/2018   06:17:38   (   0.02, -75.32) (  -0.40, -73.46)  211.69                80
 10/26/2018   18:42:14   (  -0.03, -75.33) (  -0.77, -78.77)  391.12                80