Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 8 12.  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)
 08/12/2024   10:46:25   (  -0.01,-137.00) (   0.64,-139.87)  326.99                80
 08/13/2024   10:25:01   (  -0.01,-137.00) (  -0.37,-135.34)  188.81                80
 08/14/2024   22:46:57   (   0.01,-136.97) (  -0.82,-140.64)  417.46                80
 08/15/2024   22:30:52   (   0.02,-136.96) (   0.21,-136.10)   97.85                80
 08/18/2024   10:33:55   (  -0.02,-136.93) (  -0.05,-136.84)   10.92                80
 08/20/2024   22:34:26   (   0.02,-136.88) (  -0.11,-137.60)   81.51                80
 08/21/2024   22:18:21   (   0.02,-136.86) (   0.89,-133.06)  433.46                80
 08/23/2024   10:37:28   (  -0.02,-136.84) (   0.28,-138.33)  169.15                80
 08/24/2024   10:21:22   (  -0.02,-136.81) (  -0.72,-133.79)  345.42                80
 08/25/2024   22:40:37   (   0.03,-136.77) (  -0.50,-139.07)  262.86                80