Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 3 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)
 03/18/2024   22:42:05   (  -0.01,-136.99) (  -0.52,-139.16)  247.66                80
 03/19/2024   22:23:22   (  -0.01,-136.99) (   0.50,-134.63)  268.52                80
 03/21/2024   10:45:11   (   0.01,-137.01) (   0.67,-139.91)  330.31                80
 03/22/2024   10:23:48   (   0.00,-137.01) (  -0.35,-135.38)  185.73                80
 03/23/2024   22:48:26   (  -0.00,-136.99) (  -0.82,-140.69)  421.44                80
 03/24/2024   22:27:37   (  -0.00,-136.99) (   0.20,-136.17)   94.44                45
 03/27/2024   10:32:47   (   0.00,-137.00) (   0.00,-136.90)   10.77                80
 03/29/2024   22:36:01   (  -0.00,-136.95) (  -0.19,-137.68)   83.02                80
 03/30/2024   22:14:38   (   0.00,-136.94) (   0.85,-133.15)  431.59                80