Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 2 20.  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)
 02/20/2024   22:45:02   (   0.01,-137.00) (  -0.77,-140.57)  406.19                80
 02/21/2024   22:28:59   (   0.01,-137.00) (   0.21,-136.03)  109.32                80
 02/23/2024   10:48:09   (  -0.02,-137.00) (   0.96,-141.31)  491.19                80
 02/24/2024   10:32:07   (  -0.02,-137.00) (  -0.08,-136.79)   24.24                80
 02/26/2024   22:32:42   (   0.02,-136.98) (  -0.11,-137.58)   68.23                80
 02/27/2024   22:16:39   (   0.01,-136.97) (   0.87,-133.04)  446.91                80
 02/29/2024   10:35:49   (  -0.02,-136.97) (   0.29,-138.32)  154.48                80
 03/01/2024   10:19:46   (  -0.02,-136.96) (  -0.70,-133.79)  360.10                80
 03/02/2024   22:39:05   (   0.02,-136.92) (  -0.46,-139.11)  249.27                80
 03/03/2024   22:23:02   (   0.02,-136.90) (   0.54,-134.58)  264.68                80
 03/05/2024   10:42:12   (  -0.03,-136.89) (   0.61,-139.86)  338.59                80