Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2017 11 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/27/2017   19:24:12   (  -0.00, -89.34) (  -0.18, -90.08)   84.02                80
 11/28/2017   19:08:07   (  -0.00, -89.35) (   0.86, -85.55)  433.55                80
 11/30/2017   07:29:55   (   0.00, -89.36) (   0.31, -90.82)  165.95                80
 12/01/2017   07:08:29   (   0.00, -89.37) (  -0.68, -86.29)  351.48                80
 12/02/2017   19:30:25   (  -0.00, -89.39) (  -0.49, -91.59)  250.96                80
 12/03/2017   19:14:20   (   0.00, -89.40) (   0.50, -87.06)  266.57                80
 12/05/2017   07:36:07   (  -0.01, -89.41) (   0.67, -92.33)  332.82                80
 12/06/2017   07:14:43   (  -0.01, -89.42) (  -0.37, -87.80)  184.55                80
 12/07/2017   19:36:39   (   0.02, -89.44) (  -0.78, -93.11)  417.91                80
 12/08/2017   19:20:34   (   0.02, -89.46) (   0.21, -88.58)  100.07                80
 12/10/2017   07:42:21   (  -0.02, -89.48) (   0.97, -93.85)  497.95                80