Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 2 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/05/2020   22:46:00   (  -0.04,-137.21) (  -0.77,-140.54)  378.39                80
 02/06/2020   22:29:55   (  -0.04,-137.22) (   0.23,-136.00)  138.02                80
 02/08/2020   10:51:44   (   0.05,-137.22) (   0.96,-141.28)  462.14                80
 02/09/2020   10:30:19   (   0.05,-137.22) (  -0.04,-136.74)   53.76                80
 02/11/2020   22:33:32   (  -0.05,-137.20) (  -0.12,-137.52)   36.79                80
 02/12/2020   22:17:28   (  -0.05,-137.20) (   0.88,-132.99)  478.79                80
 02/14/2020   10:39:16   (   0.05,-137.19) (   0.31,-138.26)  122.44                80
 02/15/2020   10:17:51   (   0.05,-137.18) (  -0.69,-133.73)  392.74                80
 02/16/2020   22:39:49   (  -0.06,-137.16) (  -0.46,-139.04)  214.67                80
 02/17/2020   22:23:44   (  -0.06,-137.14) (   0.54,-134.51)  300.23                80
 02/19/2020   10:45:33   (   0.07,-137.13) (   0.65,-139.78)  301.96                80