Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 9 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/13/2022   22:18:58   (  -0.07,-137.31) (   0.88,-133.16)  473.57                80
 09/15/2022   10:38:06   (   0.07,-137.32) (   0.29,-138.43)  126.93                80
 09/16/2022   10:22:02   (   0.07,-137.31) (  -0.71,-133.90)  388.95                80
 09/17/2022   22:41:18   (  -0.06,-137.30) (  -0.51,-139.20)  217.43                80
 09/18/2022   22:25:14   (  -0.06,-137.29) (   0.55,-134.68)  298.04                80
 09/20/2022   10:44:23   (   0.05,-137.28) (   0.62,-139.95)  303.78                80
 09/21/2022   10:28:18   (   0.05,-137.27) (  -0.39,-135.42)  211.32                80
 09/22/2022   22:47:35   (  -0.04,-137.24) (  -0.82,-140.72)  396.10                80
 09/23/2022   22:31:30   (  -0.04,-137.23) (   0.19,-136.19)  118.84                80
 09/25/2022   10:50:38   (   0.03,-137.21) (   0.98,-141.46)  483.54                80
 09/26/2022   10:34:34   (   0.03,-137.20) (  -0.03,-136.93)   31.13                80