Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 7 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/15/2022   22:43:18   (  -0.04,-137.27) (  -0.42,-139.09)  206.56                80
 07/16/2022   22:21:54   (  -0.04,-137.27) (   0.55,-134.55)  309.68                80
 07/18/2022   10:46:23   (   0.05,-137.28) (   0.62,-139.83)  290.46                80
 07/19/2022   10:25:00   (   0.04,-137.28) (  -0.40,-135.30)  225.52                80
 07/20/2022   22:46:57   (  -0.04,-137.27) (  -0.81,-140.61)  380.33                80
 07/21/2022   22:30:53   (  -0.04,-137.27) (   0.22,-136.08)  135.37                80
 07/23/2022   10:52:43   (   0.03,-137.27) (   0.95,-141.36)  465.79                80
 07/24/2022   10:31:19   (   0.03,-137.26) (  -0.08,-136.84)   49.29                80
 07/26/2022   22:34:33   (  -0.01,-137.23) (  -0.09,-137.62)   43.56                80
 07/27/2022   22:18:30   (   0.01,-137.22) (   0.94,-133.09)  470.85                80