Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 6 19.  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)
 06/20/2024   10:39:30   (   0.01,-137.01) (   0.31,-138.33)  150.45                80
 06/21/2024   10:18:06   (   0.01,-137.01) (  -0.70,-133.80)  365.27                80
 06/22/2024   22:40:05   (  -0.01,-136.99) (  -0.50,-139.11)  241.40                80
 06/23/2024   22:24:01   (  -0.01,-136.99) (   0.51,-134.58)  273.87                80
 06/25/2024   10:45:50   (   0.00,-136.98) (   0.66,-139.85)  327.66                80
 06/26/2024   10:24:27   (  -0.00,-136.97) (  -0.35,-135.32)  187.31                80
 06/27/2024   22:46:25   (   0.00,-136.95) (  -0.84,-140.63)  420.31                80
 06/28/2024   22:30:22   (   0.00,-136.94) (   0.18,-136.10)   94.57                80
 07/01/2024   10:30:48   (  -0.00,-136.91) (  -0.02,-136.85)    7.01                80