Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 1 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/02/2023   22:35:21   (   0.01,-137.32) (  -0.02,-137.58)   29.61                80
 01/03/2023   22:19:16   (   0.01,-137.31) (   0.94,-133.04)  485.73                80
 01/05/2023   10:41:05   (  -0.01,-137.29) (   0.23,-138.31)  116.47                80
 01/06/2023   10:19:42   (  -0.01,-137.28) (  -0.79,-133.78)  398.30                80
 01/07/2023   22:41:40   (   0.01,-137.25) (  -0.38,-139.09)  209.17                80
 01/08/2023   22:25:36   (   0.01,-137.24) (   0.59,-134.55)  305.48                80
 01/10/2023   10:47:25   (  -0.00,-137.22) (   0.58,-139.83)  297.32                80
 01/11/2023   10:26:02   (  -0.00,-137.20) (  -0.45,-135.30)  217.06                80
 01/12/2023   22:47:59   (  -0.00,-137.17) (  -0.77,-140.60)  391.15                80
 01/13/2023   22:31:55   (  -0.00,-137.15) (   0.26,-136.07)  122.99                80