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,-137.01) (   0.53,-134.60)  273.68                80
 08/12/2024   10:46:25   (  -0.00,-137.00) (   0.64,-139.87)  326.83                80
 08/13/2024   10:25:01   (   0.00,-136.99) (  -0.37,-135.34)  188.98                80
 08/14/2024   22:46:57   (  -0.01,-136.98) (  -0.82,-140.64)  417.08                80
 08/15/2024   22:30:53   (  -0.01,-136.96) (   0.20,-136.10)   98.24                80
 08/18/2024   10:31:15   (   0.01,-136.93) (  -0.02,-136.83)   11.07                80
 08/20/2024   22:34:26   (  -0.01,-136.88) (  -0.17,-137.59)   81.45                80
 08/21/2024   22:18:22   (  -0.00,-136.86) (   0.87,-133.06)  433.24                80
 08/23/2024   10:40:09   (   0.00,-136.83) (   0.32,-138.32)  169.61                80
 08/24/2024   10:18:44   (   0.00,-136.81) (  -0.67,-133.78)  344.77                80