Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 9 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/07/2022   22:31:25   (  -0.07,-137.29) (   0.17,-136.17)  127.58                80
 09/09/2022   10:50:33   (   0.06,-137.29) (   1.01,-141.44)  473.01                80
 09/10/2022   10:34:29   (   0.06,-137.29) (  -0.05,-136.92)   42.80                80
 09/12/2022   22:35:01   (  -0.06,-137.26) (  -0.18,-137.68)   48.55                80
 09/13/2022   22:18:58   (  -0.06,-137.26) (   0.88,-133.16)  467.02                80
 09/15/2022   10:38:06   (   0.06,-137.25) (   0.30,-138.43)  134.33                80
 09/16/2022   10:22:02   (   0.06,-137.24) (  -0.70,-133.90)  380.64                80
 09/17/2022   22:41:18   (  -0.05,-137.21) (  -0.52,-139.20)  227.65                80
 09/18/2022   22:25:14   (  -0.05,-137.19) (   0.54,-134.68)  286.90                80
 09/20/2022   10:44:23   (   0.04,-137.17) (   0.64,-139.95)  315.83                80