Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 9 12.  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   22:35:02   (  -0.07,-137.31) (  -0.16,-137.69)   42.90                80
 09/13/2022   22:18:57   (  -0.07,-137.31) (   0.85,-133.16)  473.49                80
 09/15/2022   10:38:05   (   0.07,-137.32) (   0.33,-138.43)  126.80                80
 09/16/2022   10:22:01   (   0.07,-137.31) (  -0.67,-133.89)  389.08                80
 09/17/2022   22:41:18   (  -0.06,-137.30) (  -0.49,-139.20)  217.47                80
 09/18/2022   22:25:14   (  -0.06,-137.29) (   0.51,-134.67)  297.97                80
 09/20/2022   10:44:22   (   0.05,-137.28) (   0.66,-139.94)  303.63                80
 09/21/2022   10:28:18   (   0.04,-137.27) (  -0.35,-135.41)  211.46                80
 09/22/2022   22:47:35   (  -0.04,-137.24) (  -0.81,-140.72)  396.14                80
 09/23/2022   22:31:30   (  -0.04,-137.23) (   0.20,-136.19)  118.80                80
 09/25/2022   10:50:39   (   0.03,-137.22) (   0.97,-141.46)  483.41                80