Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 4 26.  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)
 04/28/2024   10:30:13   (   0.00,-137.00) (  -0.02,-136.86)   15.36                80
 04/30/2024   22:33:23   (  -0.00,-136.97) (  -0.16,-137.62)   74.64                80
 05/01/2024   22:17:18   (  -0.00,-136.96) (   0.84,-133.08)  441.07                80
 05/03/2024   10:39:05   (   0.00,-136.94) (   0.30,-138.35)  160.19                80
 05/04/2024   10:17:40   (   0.00,-136.93) (  -0.72,-133.82)  355.34                80
 05/05/2024   22:39:34   (   0.00,-136.90) (  -0.49,-139.10)  250.99                80
 05/06/2024   22:23:28   (   0.00,-136.88) (   0.54,-134.57)  264.27                80
 05/08/2024   10:45:15   (  -0.01,-136.86) (   0.64,-139.83)  337.91                80
 05/09/2024   10:23:48   (  -0.01,-136.84) (  -0.33,-135.28)  176.76                80