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) (  -0.85, -93.09)  432.03                80
 11/06/2017   19:20:42   (   0.00, -89.30) (   0.18, -88.56)   84.37                80
 11/09/2017   07:23:44   (   0.00, -89.29) (   0.02, -89.29)    2.29                80
 11/11/2017   19:24:16   (  -0.00, -89.31) (  -0.17, -90.08)   87.62                80
 11/12/2017   19:08:12   (  -0.00, -89.31) (   0.86, -85.55)  429.44                80
 11/14/2017   07:29:59   (   0.00, -89.31) (   0.32, -90.82)  171.15                80
 11/15/2017   07:08:34   (   0.00, -89.32) (  -0.66, -86.28)  346.07                80
 11/16/2017   19:30:30   (  -0.00, -89.35) (  -0.52, -91.59)  255.92                80
 11/17/2017   19:14:25   (  -0.00, -89.36) (   0.52, -87.06)  261.78                80
 11/19/2017   07:36:13   (   0.01, -89.37) (   0.66, -92.33)  337.67                80