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) (  -0.01,-136.86)   15.47                80
 04/30/2024   22:33:23   (  -0.00,-136.97) (  -0.18,-137.62)   74.71                80
 05/01/2024   22:17:19   (  -0.00,-136.96) (   0.89,-133.09)  441.02                80
 05/03/2024   10:39:05   (   0.00,-136.94) (   0.32,-138.35)  160.25                80
 05/04/2024   10:17:39   (   0.00,-136.93) (  -0.70,-133.81)  355.24                80
 05/05/2024   22:39:34   (   0.00,-136.90) (  -0.52,-139.10)  251.13                80
 05/06/2024   22:23:28   (   0.00,-136.88) (   0.51,-134.56)  264.10                80
 05/08/2024   10:45:15   (  -0.01,-136.86) (   0.68,-139.82)  338.11                80
 05/09/2024   10:23:49   (  -0.01,-136.84) (  -0.35,-135.29)  176.50                80