Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 4 24.  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)
 04/24/2024   22:45:57   (  -0.00,-137.01) (  -0.79,-140.68)  417.42                80
 04/25/2024   22:29:52   (  -0.00,-137.01) (   0.19,-136.14)   99.20                80
 04/28/2024   10:30:13   (  -0.01,-137.00) (  -0.01,-136.86)   15.31                80
 04/30/2024   22:33:24   (   0.02,-136.97) (  -0.12,-137.63)   75.52                80
 05/01/2024   22:17:19   (   0.02,-136.95) (   0.89,-133.09)  440.05                80
 05/03/2024   10:39:05   (  -0.02,-136.94) (   0.32,-138.35)  161.16                80
 05/04/2024   10:17:40   (  -0.02,-136.93) (  -0.69,-133.81)  354.31                80
 05/05/2024   22:39:35   (   0.02,-136.90) (  -0.47,-139.11)  252.36                80
 05/06/2024   22:23:29   (   0.02,-136.88) (   0.55,-134.58)  262.74                80