Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 5 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/10/2022   10:39:38   (  -0.01,-137.20) (   0.22,-138.23)  118.03                80
 05/11/2022   10:18:13   (  -0.02,-137.20) (  -0.79,-133.70)  398.77                80
 05/12/2022   22:42:48   (   0.01,-137.19) (  -0.39,-139.00)  206.25                80
 05/13/2022   22:21:22   (   0.01,-137.18) (   0.63,-134.46)  310.15                80
 05/15/2022   10:45:49   (  -0.01,-137.19) (   0.55,-139.73)  289.50                80
 05/16/2022   10:24:23   (  -0.01,-137.18) (  -0.46,-135.19)  226.27                80
 05/17/2022   22:48:58   (   0.01,-137.15) (  -0.77,-140.48)  380.63                80
 05/18/2022   22:27:32   (   0.01,-137.13) (   0.25,-135.95)  134.61                80
 05/20/2022   10:51:58   (  -0.01,-137.12) (   0.92,-141.21)  466.81                80
 05/21/2022   10:33:13   (  -0.01,-137.10) (  -0.10,-136.68)   48.16                80