Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 5 18.  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)
 05/19/2024   10:38:49   (   0.00,-137.00) (   0.31,-138.24)  141.97                80
 05/20/2024   10:17:24   (   0.00,-137.00) (  -0.74,-133.71)  374.93                80
 05/21/2024   22:39:17   (  -0.00,-136.98) (  -0.48,-138.99)  230.25                80
 05/22/2024   22:23:11   (  -0.00,-136.97) (   0.58,-134.47)  286.12                80
 05/24/2024   10:44:57   (  -0.00,-136.96) (   0.60,-139.72)  313.81                80
 05/25/2024   10:23:30   (  -0.01,-136.95) (  -0.41,-135.18)  201.82                80
 05/26/2024   22:45:23   (   0.02,-136.91) (  -0.79,-140.46)  405.26                80
 05/27/2024   22:29:17   (   0.02,-136.89) (   0.22,-135.92)  110.05                80
 05/29/2024   10:48:22   (  -0.02,-136.87) (   0.93,-141.18)  490.97                80
 05/30/2024   10:32:16   (  -0.02,-136.85) (  -0.09,-136.64)   24.29                80