Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 8 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/20/2022   10:25:23   (   0.07,-137.31) (  -0.34,-135.37)  220.94                80
 08/21/2022   22:47:20   (  -0.07,-137.32) (  -0.85,-140.68)  383.52                80
 08/22/2022   22:31:17   (  -0.06,-137.32) (   0.20,-136.16)  132.81                80
 08/24/2022   10:53:05   (   0.06,-137.32) (   0.99,-141.42)  467.85                80
 08/25/2022   10:31:41   (   0.06,-137.32) (  -0.05,-136.90)   48.18                80
 08/27/2022   22:34:54   (  -0.05,-137.31) (  -0.14,-137.67)   41.45                80
 08/28/2022   22:18:51   (  -0.05,-137.31) (   0.91,-133.15)  474.36                80
 08/30/2022   10:37:59   (   0.05,-137.30) (   0.28,-138.42)  127.22                80
 08/31/2022   10:21:55   (   0.05,-137.30) (  -0.71,-133.89)  388.18                80
 09/01/2022   22:41:12   (  -0.04,-137.28) (  -0.47,-139.20)  218.61                80
 09/02/2022   22:25:07   (  -0.04,-137.26) (   0.53,-134.66)  296.14                80