Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2017 11 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/09/2017   07:23:44   (   0.01, -89.28) (   0.02, -89.29)    2.04                80
 11/11/2017   19:24:16   (  -0.00, -89.30) (  -0.18, -90.07)   87.79                80
 11/12/2017   19:08:12   (  -0.00, -89.31) (   0.86, -85.55)  429.20                80
 11/14/2017   07:29:59   (   0.00, -89.31) (   0.32, -90.82)  171.75                80
 11/15/2017   07:08:33   (   0.00, -89.31) (  -0.66, -86.28)  345.40                80
 11/16/2017   19:30:30   (  -0.00, -89.34) (  -0.52, -91.59)  256.45                80
 11/17/2017   19:14:25   (  -0.00, -89.35) (   0.52, -87.06)  261.18                80
 11/19/2017   07:36:13   (   0.00, -89.36) (   0.66, -92.33)  338.66                80
 11/20/2017   07:14:47   (   0.00, -89.37) (  -0.32, -87.79)  178.83                80