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

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/12/2017   19:08:12   (   0.00, -89.31) (   0.87, -85.55)  429.02                80
 11/14/2017   07:29:58   (  -0.00, -89.30) (   0.36, -90.81)  172.85                80
 11/15/2017   07:08:34   (  -0.00, -89.30) (  -0.67, -86.28)  344.17                80
 11/16/2017   19:30:30   (   0.00, -89.33) (  -0.51, -91.59)  257.12                80
 11/17/2017   19:14:25   (   0.00, -89.34) (   0.53, -87.06)  260.32                80
 11/19/2017   07:36:13   (  -0.01, -89.34) (   0.64, -92.33)  340.51                80
 11/20/2017   07:14:47   (  -0.01, -89.35) (  -0.34, -87.80)  176.82                80
 11/21/2017   19:36:44   (   0.01, -89.38) (  -0.83, -93.10)  424.37                80
 11/22/2017   19:20:39   (   0.01, -89.40) (   0.21, -88.58)   93.40                80
 11/25/2017   07:21:01   (  -0.01, -89.41) (  -0.02, -89.31)   11.27                80