Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 12 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/09/2022   10:46:47   (   0.02,-137.33) (   0.54,-139.76)  276.15                80
 12/10/2022   10:25:24   (   0.02,-137.33) (  -0.45,-135.23)  239.29                80
 12/11/2022   22:47:22   (  -0.01,-137.31) (  -0.75,-140.53)  367.37                80
 12/12/2022   22:31:20   (   0.00,-137.31) (   0.30,-136.01)  147.86                80
 12/14/2022   10:53:09   (  -0.01,-137.31) (   0.91,-141.28)  453.63                80
 12/15/2022   10:31:46   (  -0.01,-137.30) (  -0.15,-136.76)   61.34                80
 12/17/2022   22:37:41   (   0.01,-137.27) (  -0.05,-137.54)   31.15                80
 12/18/2022   22:17:26   (   0.02,-137.25) (   0.95,-133.01)  483.49                12
 12/20/2022   10:40:47   (  -0.01,-137.24) (   0.25,-138.28)  119.09                80
 12/21/2022   10:19:25   (  -0.01,-137.22) (  -0.81,-133.76)  394.89                80
 12/22/2022   22:44:02   (  -0.00,-137.18) (  -0.44,-139.05)  214.39                80