Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 4 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/04/2020   22:40:00   (   0.01,-137.19) (  -0.44,-139.10)  218.02                80
 04/05/2020   22:23:55   (   0.01,-137.18) (   0.58,-134.57)  297.78                80
 04/07/2020   10:45:44   (  -0.01,-137.18) (   0.56,-139.84)  302.82                80
 04/08/2020   10:24:19   (  -0.01,-137.17) (  -0.45,-135.31)  212.42                80
 04/09/2020   22:46:15   (   0.01,-137.14) (  -0.75,-140.61)  395.34                80
 04/10/2020   22:30:11   (   0.02,-137.13) (   0.27,-136.08)  119.63                80
 04/12/2020   10:51:58   (  -0.02,-137.12) (   0.93,-141.35)  481.94                80
 04/13/2020   10:30:34   (  -0.02,-137.10) (  -0.09,-136.82)   32.52                80
 04/15/2020   22:33:46   (   0.01,-137.04) (  -0.09,-137.59)   62.11                80
 04/16/2020   22:17:40   (   0.01,-137.02) (   0.87,-133.05)  452.32                80