Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 5 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/18/2022   22:27:33   (   0.01,-137.19) (   0.30,-135.96)  141.11                80
 05/20/2022   10:51:59   (  -0.01,-137.19) (   0.87,-141.22)  458.90                80
 05/21/2022   10:30:33   (  -0.01,-137.18) (  -0.09,-136.67)   57.33                80
 05/23/2022   22:33:43   (   0.01,-137.16) (  -0.04,-137.44)   31.87                80
 05/24/2022   22:17:37   (   0.01,-137.15) (   0.98,-132.91)  484.34                80
 05/26/2022   10:39:22   (  -0.00,-137.15) (   0.24,-138.16)  116.04                80
 05/27/2022   10:17:57   (  -0.01,-137.14) (  -0.79,-133.63)  399.81                80
 05/28/2022   22:39:51   (   0.01,-137.11) (  -0.42,-138.92)  206.32                80
 05/29/2022   22:23:46   (   0.01,-137.10) (   0.61,-134.39)  309.21                80
 05/31/2022   10:45:32   (  -0.00,-137.08) (   0.55,-139.65)  292.34                80