Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 2 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/06/2020   22:29:55   (  -0.04,-137.22) (   0.21,-136.00)  138.24                80
 02/08/2020   10:51:43   (   0.05,-137.22) (   0.98,-141.27)  461.91                80
 02/09/2020   10:30:20   (   0.05,-137.22) (  -0.08,-136.75)   54.10                80
 02/11/2020   22:33:32   (  -0.05,-137.21) (  -0.14,-137.52)   36.05                80
 02/12/2020   22:17:28   (  -0.05,-137.20) (   0.92,-133.00)  479.74                80
 02/14/2020   10:39:16   (   0.05,-137.20) (   0.27,-138.27)  121.45                80
 02/15/2020   10:17:52   (   0.05,-137.19) (  -0.73,-133.74)  393.83                80
 02/16/2020   22:39:48   (  -0.06,-137.17) (  -0.49,-139.04)  213.22                80
 02/17/2020   22:23:44   (  -0.06,-137.16) (   0.52,-134.51)  301.80                80
 02/19/2020   10:45:32   (   0.07,-137.15) (   0.67,-139.78)  300.35                80
 02/20/2020   10:24:08   (   0.07,-137.13) (  -0.33,-135.25)  214.29                80