Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 9 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/12/2022   22:35:01   (  -0.07,-137.31) (  -0.17,-137.68)   43.03                80
 09/13/2022   22:18:58   (  -0.07,-137.31) (   0.89,-133.16)  473.43                80
 09/15/2022   10:38:06   (   0.07,-137.32) (   0.29,-138.44)  126.78                80
 09/16/2022   10:22:02   (   0.07,-137.31) (  -0.71,-133.90)  389.11                80
 09/17/2022   22:41:18   (  -0.06,-137.30) (  -0.51,-139.20)  217.53                80
 09/18/2022   22:25:15   (  -0.06,-137.29) (   0.55,-134.68)  297.95                80
 09/20/2022   10:44:23   (   0.05,-137.28) (   0.63,-139.95)  303.58                80
 09/21/2022   10:28:18   (   0.05,-137.27) (  -0.37,-135.42)  211.50                80
 09/22/2022   22:47:35   (  -0.04,-137.25) (  -0.84,-140.72)  396.18                80
 09/23/2022   22:31:31   (  -0.04,-137.23) (   0.22,-136.20)  118.79                80