Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 1 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/08/2023   22:25:37   (   0.01,-137.33) (   0.63,-134.56)  315.28                80
 01/10/2023   10:47:26   (  -0.01,-137.32) (   0.53,-139.84)  285.90                80
 01/11/2023   10:26:01   (  -0.01,-137.32) (  -0.44,-135.30)  229.75                80
 01/12/2023   22:48:00   (   0.01,-137.31) (  -0.72,-140.61)  376.18                80
 01/13/2023   22:31:55   (   0.01,-137.30) (   0.26,-136.07)  139.26                80
 01/15/2023   10:53:44   (  -0.01,-137.28) (   0.90,-141.34)  462.81                80
 01/16/2023   10:32:21   (  -0.01,-137.27) (  -0.13,-136.82)   51.96                80
 01/18/2023   22:35:34   (   0.02,-137.22) (  -0.09,-137.58)   41.82                80
 01/19/2023   22:19:30   (   0.02,-137.20) (   0.95,-133.06)  472.17                80
 01/21/2023   10:41:19   (  -0.02,-137.17) (   0.26,-138.32)  132.07                80