Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 6 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)
 06/11/2022   10:39:28   (   0.01,-137.18) (   0.23,-138.18)  114.22                80
 06/12/2022   10:18:05   (   0.01,-137.17) (  -0.78,-133.65)  400.32                80
 06/13/2022   22:42:43   (  -0.01,-137.14) (  -0.41,-138.96)  207.30                80
 06/14/2022   22:21:20   (  -0.00,-137.13) (   0.60,-134.44)  306.68                80
 06/16/2022   10:45:49   (   0.00,-137.10) (   0.60,-139.71)  297.37                80
 06/17/2022   10:24:26   (  -0.00,-137.08) (  -0.40,-135.18)  216.31                80
 06/18/2022   22:49:04   (  -0.00,-137.05) (  -0.78,-140.49)  392.33                80
 06/19/2022   22:27:40   (  -0.00,-137.03) (   0.23,-135.97)  121.42                80
 06/21/2022   10:52:10   (   0.01,-137.00) (   0.97,-141.24)  482.74                80
 06/22/2022   10:30:46   (   0.00,-136.98) (  -0.04,-136.71)   30.82                80