Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 12 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)
 12/06/2022   22:41:00   (  -0.01,-137.32) (  -0.39,-139.01)  192.01                80
 12/07/2022   22:24:57   (  -0.01,-137.33) (   0.60,-134.48)  324.16                80
 12/09/2022   10:46:47   (   0.01,-137.33) (   0.56,-139.75)  276.28                80
 12/10/2022   10:25:23   (   0.02,-137.33) (  -0.44,-135.22)  239.42                80
 12/11/2022   22:47:23   (  -0.02,-137.31) (  -0.71,-140.54)  367.17                80
 12/12/2022   22:31:19   (  -0.01,-137.31) (   0.29,-136.01)  148.09                80
 12/14/2022   10:53:10   (   0.00,-137.31) (   0.87,-141.29)  453.27                80
 12/15/2022   10:31:46   (  -0.01,-137.30) (  -0.13,-136.76)   61.70                80
 12/17/2022   22:37:41   (   0.01,-137.27) (  -0.07,-137.54)   30.90                80
 12/18/2022   22:18:57   (   0.01,-137.26) (   0.94,-133.01)  483.83                80
 12/20/2022   10:40:48   (  -0.00,-137.24) (   0.21,-138.29)  118.53                80