Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 9 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-18)   GOES-18 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 09/11/2024   22:24:15   (   0.00,-137.00) (   0.56,-134.42)  293.10                80
 09/13/2024   10:46:00   (   0.00,-137.00) (   0.62,-139.68)  305.86                80
 09/14/2024   10:24:34   (   0.00,-136.99) (  -0.39,-135.13)  211.31                80
 09/15/2024   22:49:07   (  -0.01,-136.98) (  -0.79,-140.42)  392.12                80
 09/16/2024   22:27:41   (  -0.01,-136.98) (   0.23,-135.88)  124.87                80
 09/18/2024   10:52:06   (   0.01,-136.97) (   0.92,-141.14)  474.64                80
 09/19/2024   10:30:38   (   0.01,-136.96) (  -0.05,-136.59)   42.17                80
 09/21/2024   22:36:24   (  -0.00,-136.93) (  -0.11,-137.33)   45.89                80
 09/22/2024   22:17:38   (  -0.00,-136.92) (   0.94,-132.79)  470.27                80
 09/24/2024   10:36:42   (   0.01,-136.89) (   0.23,-138.05)  130.68                80