Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 2 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/04/2020   10:24:03   (   0.04,-137.19) (  -0.42,-135.23)  223.57                80
 02/05/2020   22:45:59   (  -0.05,-137.17) (  -0.80,-140.53)  383.24                80
 02/06/2020   22:29:55   (  -0.05,-137.16) (   0.20,-136.00)  131.57                80
 02/08/2020   10:51:43   (   0.06,-137.14) (   0.99,-141.27)  471.38                80
 02/09/2020   10:30:19   (   0.06,-137.12) (  -0.01,-136.74)   42.93                80
 02/11/2020   22:33:32   (  -0.06,-137.07) (  -0.15,-137.52)   51.26                80
 02/12/2020   22:17:27   (  -0.06,-137.05) (   0.86,-132.99)  462.75                80
 02/14/2020   10:39:15   (   0.06,-137.02) (   0.34,-138.26)  141.25                80
 02/15/2020   10:17:51   (   0.06,-136.99) (  -0.67,-133.73)  372.31                80
 02/16/2020   22:39:47   (  -0.07,-136.95) (  -0.55,-139.03)  237.09                80
 02/17/2020   22:23:43   (  -0.07,-136.92) (   0.46,-134.49)  276.22                80