Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2017 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)
 10/31/2017   19:30:33   (   0.00, -89.30) (  -0.48, -91.58)  259.09                80
 11/01/2017   19:14:28   (   0.00, -89.30) (   0.49, -87.04)  257.02                80
 11/03/2017   07:36:15   (  -0.00, -89.29) (   0.69, -92.31)  344.72                80
 11/04/2017   07:14:51   (  -0.00, -89.29) (  -0.34, -87.78)  171.23                80
 11/05/2017   19:36:47   (   0.00, -89.29) (  -0.85, -93.09)  433.45                80
 11/06/2017   19:20:42   (   0.00, -89.29) (   0.18, -88.56)   82.65                80
 11/09/2017   07:23:44   (   0.00, -89.28) (   0.03, -89.29)    4.10                80
 11/11/2017   19:24:16   (   0.00, -89.28) (  -0.19, -90.07)   90.74                80
 11/12/2017   19:08:12   (   0.00, -89.29) (   0.84, -85.55)  426.00                80