Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 12 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/30/2022   10:53:29   (   0.01,-137.34) (   0.90,-141.32)  454.31                80
 12/31/2022   10:32:05   (   0.01,-137.34) (  -0.11,-136.79)   61.75                80
 01/02/2023   22:35:20   (  -0.01,-137.33) (  -0.05,-137.58)   28.05                80
 01/03/2023   22:19:17   (  -0.01,-137.32) (   0.97,-133.05)  487.60                80
 01/05/2023   10:41:05   (   0.02,-137.31) (   0.26,-138.31)  114.14                80
 01/06/2023   10:19:42   (   0.02,-137.30) (  -0.76,-133.78)  400.98                80
 01/07/2023   22:41:40   (  -0.02,-137.28) (  -0.40,-139.09)  205.85                80
 01/08/2023   22:22:56   (  -0.02,-137.27) (   0.56,-134.55)  309.02                80
 01/10/2023   10:47:25   (   0.02,-137.25) (   0.61,-139.82)  293.53                80
 01/11/2023   10:26:01   (   0.02,-137.23) (  -0.42,-135.30)  221.02                80