Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 3 10.  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)
 03/10/2024   10:51:13   (   0.00,-137.00) (   1.01,-141.38)  499.72                80
 03/11/2024   10:29:50   (   0.00,-137.00) (  -0.05,-136.86)   16.09                80
 03/13/2024   22:33:05   (   0.00,-136.98) (  -0.14,-137.64)   75.30                80
 03/14/2024   22:17:02   (   0.00,-136.97) (   0.87,-133.11)  439.83                80
 03/16/2024   10:38:51   (  -0.00,-136.96) (   0.31,-138.39)  162.05                80
 03/17/2024   10:17:27   (   0.00,-136.95) (  -0.70,-133.86)  352.72                80
 03/18/2024   22:39:26   (  -0.00,-136.93) (  -0.48,-139.17)  255.17                80
 03/19/2024   22:23:22   (   0.00,-136.91) (   0.54,-134.64)  259.40                80
 03/21/2024   10:42:32   (  -0.00,-136.90) (   0.64,-139.91)  343.29                80
 03/22/2024   10:26:27   (  -0.00,-136.88) (  -0.32,-135.37)  171.18                80
 03/23/2024   22:45:45   (   0.01,-136.85) (  -0.84,-140.69)  437.11                80