Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 8 10.  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)
 08/10/2024   22:24:37   (   0.00,-137.00) (   0.52,-134.60)  273.54                80
 08/12/2024   10:46:25   (  -0.00,-137.00) (   0.65,-139.87)  326.96                80
 08/13/2024   10:25:01   (   0.00,-136.99) (  -0.36,-135.33)  188.81                80
 08/14/2024   22:46:57   (  -0.01,-136.97) (  -0.84,-140.63)  417.37                80
 08/15/2024   22:30:52   (  -0.01,-136.96) (   0.18,-136.10)   97.90                80
 08/18/2024   10:31:15   (   0.01,-136.93) (   0.02,-136.83)   11.01                80
 08/20/2024   22:34:27   (  -0.01,-136.87) (  -0.16,-137.60)   82.00                80
 08/21/2024   22:18:22   (  -0.01,-136.86) (   0.82,-133.06)  432.65                80
 08/23/2024   10:37:30   (   0.01,-136.83) (   0.32,-138.33)  170.27                80