Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 2 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/27/2020   22:33:38   (  -0.02,-137.21) (  -0.08,-137.56)   39.39                80
 02/28/2020   22:17:34   (  -0.02,-137.21) (   0.93,-133.03)  476.56                80
 03/01/2020   10:39:22   (   0.03,-137.20) (   0.25,-138.30)  125.47                80
 03/02/2020   10:17:58   (   0.03,-137.19) (  -0.76,-133.77)  389.88                80
 03/03/2020   22:39:54   (  -0.03,-137.17) (  -0.45,-139.07)  216.50                80
 03/04/2020   22:23:49   (  -0.03,-137.16) (   0.55,-134.54)  298.30                80
 03/06/2020   10:42:58   (   0.04,-137.13) (   0.62,-139.81)  305.31                80
 03/07/2020   10:24:13   (   0.04,-137.11) (  -0.39,-135.28)  208.99                80
 03/08/2020   22:46:10   (  -0.04,-137.08) (  -0.82,-140.58)  398.87                80
 03/09/2020   22:30:05   (  -0.04,-137.06) (   0.19,-136.05)  115.17                80