Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2017 11 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)
 11/14/2017   07:29:58   (  -0.00, -89.29) (   0.36, -90.81)  173.29                80
 11/15/2017   07:08:34   (  -0.00, -89.30) (  -0.68, -86.28)  343.54                80
 11/16/2017   19:30:30   (   0.00, -89.33) (  -0.51, -91.59)  257.87                80
 11/17/2017   19:14:26   (   0.00, -89.33) (   0.53, -87.06)  259.41                80
 11/19/2017   07:36:13   (  -0.00, -89.33) (   0.64, -92.33)  341.75                80
 11/20/2017   07:14:47   (   0.00, -89.34) (  -0.34, -87.80)  175.51                80
 11/21/2017   19:36:44   (  -0.01, -89.37) (  -0.84, -93.10)  425.69                80
 11/22/2017   19:20:38   (  -0.01, -89.38) (   0.14, -88.56)   92.03                80
 11/25/2017   07:21:01   (   0.02, -89.39) (  -0.01, -89.31)    9.31                80