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) (  -0.14, -75.75)   56.95                80
 11/02/2018   18:10:59   (  -0.00, -75.26) (   0.87, -71.22)  460.45                80
 11/04/2018   06:32:47   (   0.00, -75.28) (   0.28, -76.50)  138.64                80
 11/05/2018   06:11:23   (   0.00, -75.30) (  -0.73, -71.97)  379.13                80
 11/06/2018   18:33:19   (  -0.00, -75.32) (  -0.47, -77.27)  222.97                80
 11/07/2018   18:17:15   (  -0.00, -75.34) (   0.55, -72.74)  295.28                80
 11/09/2018   06:39:03   (   0.00, -75.37) (   0.60, -78.02)  302.54                80
 11/10/2018   06:17:39   (   0.00, -75.39) (  -0.42, -73.50)  215.85                80
 11/11/2018   18:39:35   (   0.00, -75.42) (  -0.78, -78.80)  385.46                80
 11/12/2018   18:23:31   (   0.00, -75.45) (   0.24, -74.27)  133.31                80