Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 7 9.  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)
 07/09/2024   22:24:17   (   0.00,-137.01) (   0.52,-134.60)  273.76                80
 07/11/2024   10:46:06   (  -0.00,-137.01) (   0.61,-139.88)  326.24                80
 07/12/2024   10:24:41   (  -0.01,-137.01) (  -0.37,-135.34)  190.23                80
 07/13/2024   22:46:40   (   0.01,-137.01) (  -0.78,-140.66)  414.50                80
 07/14/2024   22:30:35   (   0.01,-137.01) (   0.20,-136.12)  101.60                80
 07/16/2024   10:52:24   (  -0.01,-137.01) (   0.99,-141.38)  499.54                80
 07/17/2024   10:31:00   (  -0.01,-137.00) (  -0.06,-136.86)   16.05                80
 07/19/2024   22:34:13   (   0.01,-136.97) (  -0.15,-137.63)   75.67                80
 07/20/2024   22:18:09   (   0.01,-136.95) (   0.91,-133.11)  439.11                80
 07/22/2024   10:37:17   (  -0.02,-136.93) (   0.33,-138.36)  163.95                80