Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 4 21.  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)
 04/22/2024   10:45:26   (   0.01,-137.00) (   0.65,-139.91)  331.60                80
 04/23/2024   10:24:01   (   0.01,-136.99) (  -0.38,-135.38)  184.43                80
 04/24/2024   22:45:56   (  -0.01,-136.97) (  -0.83,-140.67)  421.46                80
 04/25/2024   22:29:51   (  -0.02,-136.96) (   0.15,-136.13)   94.29                80
 04/28/2024   10:32:54   (   0.01,-136.93) (  -0.03,-136.87)    7.91                80
 04/30/2024   22:33:24   (  -0.02,-136.87) (  -0.15,-137.62)   85.50                80
 05/01/2024   22:17:18   (  -0.02,-136.85) (   0.85,-133.09)  429.24                80
 05/03/2024   10:36:24   (   0.02,-136.82) (   0.36,-138.34)  173.51                80
 05/04/2024   10:20:19   (   0.02,-136.80) (  -0.66,-133.81)  340.96                80