Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2017 11 12.  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   07:29:59   (  -0.00, -89.29) (   0.33, -90.81)  173.10                80
 11/15/2017   07:08:34   (  -0.00, -89.30) (  -0.70, -86.29)  343.81                80
 11/16/2017   19:30:30   (   0.00, -89.33) (  -0.48, -91.59)  257.49                80
 11/17/2017   19:14:25   (   0.00, -89.34) (   0.50, -87.06)  259.90                80
 11/19/2017   07:36:12   (  -0.00, -89.34) (   0.67, -92.33)  341.08                80
 11/20/2017   07:14:48   (   0.00, -89.34) (  -0.36, -87.80)  176.26                80
 11/21/2017   19:36:43   (  -0.01, -89.38) (  -0.87, -93.10)  424.84                80
 11/22/2017   19:20:39   (  -0.01, -89.39) (   0.17, -88.57)   92.93                80
 11/25/2017   07:21:00   (   0.02, -89.40) (   0.02, -89.30)   10.87                80