Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 1 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/06/2023   10:19:42   (   0.02,-137.34) (  -0.78,-133.78)  405.37                80
 01/07/2023   22:41:40   (  -0.02,-137.33) (  -0.39,-139.09)  199.96                80
 01/08/2023   22:25:36   (  -0.02,-137.33) (   0.58,-134.55)  315.96                80
 01/10/2023   10:47:25   (   0.03,-137.32) (   0.59,-139.82)  284.99                80
 01/11/2023   10:26:01   (   0.03,-137.32) (  -0.44,-135.30)  230.56                80
 01/12/2023   22:47:59   (  -0.03,-137.30) (  -0.78,-140.60)  375.58                80
 01/13/2023   22:31:55   (  -0.03,-137.29) (   0.25,-136.07)  139.76                80
 01/15/2023   10:53:44   (   0.04,-137.28) (   0.97,-141.33)  462.02                80
 01/16/2023   10:32:20   (   0.04,-137.27) (  -0.06,-136.80)   52.71                80
 01/18/2023   22:35:34   (  -0.05,-137.22) (  -0.11,-137.58)   40.96                80