Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2017 11 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/05/2017   19:36:47   (   0.00, -89.30) (  -0.84, -93.09)  432.31                80
 11/06/2017   19:20:43   (   0.00, -89.30) (   0.19, -88.57)   84.04                80
 11/09/2017   07:23:44   (   0.00, -89.29) (   0.01, -89.30)    1.83                80
 11/11/2017   19:24:16   (  -0.00, -89.30) (  -0.17, -90.08)   88.20                80
 11/12/2017   19:08:11   (  -0.00, -89.31) (   0.81, -85.54)  428.82                80
 11/14/2017   07:29:58   (   0.00, -89.31) (   0.37, -90.81)  171.58                80
 11/15/2017   07:08:34   (   0.00, -89.32) (  -0.67, -86.28)  345.61                80
 11/16/2017   19:30:30   (  -0.01, -89.34) (  -0.51, -91.59)  256.71                80
 11/17/2017   19:14:25   (  -0.01, -89.35) (   0.53, -87.07)  260.98                80