Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 4 2.  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)
 04/02/2024   10:17:40   (   0.02,-137.00) (  -0.67,-133.88)  355.07                80
 04/03/2024   22:39:38   (  -0.02,-137.00) (  -0.51,-139.18)  249.30                80
 04/04/2024   22:23:33   (  -0.02,-137.00) (   0.49,-134.65)  267.01                80
 04/06/2024   10:45:22   (   0.01,-137.00) (   0.64,-139.93)  333.81                80
 04/07/2024   10:23:58   (   0.01,-136.99) (  -0.36,-135.40)  182.18                80
 04/08/2024   22:45:55   (   0.00,-136.99) (  -0.80,-140.70)  423.05                80
 04/09/2024   22:29:51   (   0.01,-136.98) (   0.20,-136.17)   92.45                80
 04/12/2024   10:30:15   (  -0.02,-136.96) (  -0.03,-136.91)    5.95                80
 04/14/2024   22:33:26   (   0.02,-136.93) (  -0.16,-137.67)   85.40                80
 04/15/2024   22:17:22   (   0.02,-136.91) (   0.85,-133.14)  429.69                80