Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 6 16.  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)
 06/17/2024   22:33:44   (   0.00,-136.99) (  -0.11,-137.60)   68.18                80
 06/18/2024   22:17:41   (  -0.00,-136.99) (   0.90,-133.07)  447.20                80
 06/20/2024   10:39:30   (   0.00,-136.98) (   0.29,-138.34)  154.76                80
 06/21/2024   10:18:07   (   0.00,-136.96) (  -0.72,-133.81)  359.90                80
 06/22/2024   22:40:05   (   0.00,-136.93) (  -0.47,-139.12)  248.26                80
 06/23/2024   22:24:01   (   0.00,-136.92) (   0.55,-134.59)  265.94                80
 06/25/2024   10:45:51   (  -0.01,-136.89) (   0.63,-139.86)  337.43                80
 06/26/2024   10:24:26   (  -0.01,-136.87) (  -0.33,-135.32)  176.54                80
 06/27/2024   22:46:25   (   0.01,-136.84) (  -0.85,-140.63)  432.45                80
 06/28/2024   22:30:21   (   0.01,-136.81) (   0.17,-136.10)   81.40                80