Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 10 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/01/2018   18:27:04   (  -0.01, -75.25) (  -0.12, -75.75)   56.83                80
 11/02/2018   18:11:00   (  -0.00, -75.26) (   0.89, -71.22)  460.47                80
 11/04/2018   06:32:48   (   0.00, -75.28) (   0.26, -76.50)  138.61                80
 11/05/2018   06:11:23   (   0.00, -75.30) (  -0.76, -71.97)  379.18                80
 11/06/2018   18:33:20   (  -0.00, -75.32) (  -0.45, -77.28)  222.91                80
 11/07/2018   18:17:15   (  -0.00, -75.34) (   0.57, -72.75)  295.30                80
 11/09/2018   06:39:04   (   0.00, -75.37) (   0.58, -78.03)  302.50                80
 11/10/2018   06:17:39   (   0.00, -75.39) (  -0.44, -73.50)  215.89                80
 11/11/2018   18:39:35   (   0.00, -75.42) (  -0.76, -78.80)  385.43                80
 11/12/2018   18:23:31   (   0.00, -75.45) (   0.26, -74.28)  133.31                80
 11/14/2018   06:45:19   (  -0.01, -75.49) (   0.89, -79.56)  463.43                80