Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 5 15.  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)
 05/16/2024   22:33:10   (   0.00,-137.00) (  -0.09,-137.54)   61.22                80
 05/17/2024   22:17:04   (   0.00,-137.00) (   0.89,-132.99)  456.16                80
 05/19/2024   10:36:10   (  -0.01,-137.01) (   0.26,-138.26)  142.09                80
 05/20/2024   10:20:04   (  -0.01,-137.00) (  -0.73,-133.71)  374.75                80
 05/21/2024   22:39:18   (   0.02,-136.98) (  -0.43,-139.01)  230.63                80
 05/22/2024   22:23:11   (   0.02,-136.97) (   0.57,-134.46)  285.82                80
 05/24/2024   10:42:17   (  -0.02,-136.97) (   0.61,-139.72)  313.80                80
 05/25/2024   10:26:10   (  -0.02,-136.95) (  -0.39,-135.18)  202.13                80
 05/26/2024   22:45:25   (   0.02,-136.92) (  -0.75,-140.47)  404.85                80
 05/27/2024   22:29:17   (   0.01,-136.90) (   0.20,-135.92)  110.75                80