Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 5 8.  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)
 05/09/2024   10:23:51   (  -0.01,-137.02) (  -0.38,-135.30)  195.38                80
 05/10/2024   22:48:27   (   0.01,-137.01) (  -0.79,-140.60)  409.29                80
 05/11/2024   22:27:01   (   0.01,-137.00) (   0.22,-136.06)  107.49                80
 05/13/2024   10:48:47   (  -0.01,-137.01) (   0.97,-141.32)  491.29                80
 05/14/2024   10:32:42   (  -0.01,-137.01) (  -0.05,-136.78)   25.43                80
 05/16/2024   22:35:51   (   0.00,-136.99) (  -0.14,-137.53)   63.06                80
 05/17/2024   22:14:25   (   0.00,-136.98) (   0.88,-133.00)  453.47                80
 05/19/2024   10:36:12   (  -0.00,-136.98) (   0.30,-138.26)  146.00                80
 05/20/2024   10:20:06   (  -0.00,-136.97) (  -0.72,-133.72)  370.15                80
 05/21/2024   22:42:00   (   0.00,-136.94) (  -0.47,-139.01)  236.06                80