Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 1 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/10/2023   10:47:26   (  -0.00,-137.32) (   0.53,-139.84)  285.89                80
 01/11/2023   10:26:01   (  -0.00,-137.32) (  -0.44,-135.30)  229.74                80
 01/12/2023   22:48:00   (   0.00,-137.30) (  -0.72,-140.61)  376.08                80
 01/13/2023   22:31:55   (   0.00,-137.30) (   0.26,-136.07)  139.31                80
 01/15/2023   10:53:44   (  -0.00,-137.28) (   0.90,-141.34)  462.96                80
 01/16/2023   10:32:21   (  -0.01,-137.27) (  -0.14,-136.82)   51.82                80
 01/18/2023   22:35:34   (   0.01,-137.22) (  -0.09,-137.58)   41.89                80
 01/19/2023   22:19:30   (   0.02,-137.20) (   0.95,-133.06)  472.02                80
 01/21/2023   10:41:19   (  -0.02,-137.16) (   0.26,-138.32)  132.41                80
 01/22/2023   10:19:55   (  -0.02,-137.13) (  -0.78,-133.79)  381.12                80
 01/23/2023   22:41:53   (   0.02,-137.09) (  -0.41,-139.10)  227.85                80