Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2017 11 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/04/2017   07:14:50   (  -0.00, -89.33) (  -0.33, -87.78)  176.63                80
 11/05/2017   19:36:47   (   0.00, -89.35) (  -0.86, -93.09)  426.18                80
 11/06/2017   19:20:42   (   0.00, -89.36) (   0.17, -88.56)   90.77                80
 11/09/2017   07:21:05   (  -0.00, -89.36) (  -0.02, -89.30)    7.01                80
 11/11/2017   19:24:17   (  -0.00, -89.39) (  -0.13, -90.08)   78.25                80
 11/12/2017   19:08:11   (  -0.00, -89.41) (   0.84, -85.55)  439.43                80
 11/14/2017   07:29:59   (   0.00, -89.42) (   0.34, -90.82)  159.88                80
 11/15/2017   07:08:34   (   0.00, -89.43) (  -0.70, -86.29)  357.93                80
 11/16/2017   19:30:31   (  -0.00, -89.46) (  -0.48, -91.60)  243.54                80
 11/17/2017   19:14:26   (  -0.01, -89.48) (   0.55, -87.07)  274.76                80