Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 5 8.  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)
 05/08/2024   10:42:36   (   0.00,-137.02) (   0.65,-139.83)  321.37                80
 05/09/2024   10:26:31   (   0.00,-137.02) (  -0.36,-135.30)  195.68                80
 05/10/2024   22:48:26   (   0.00,-137.00) (  -0.80,-140.60)  409.28                80
 05/11/2024   22:29:41   (   0.00,-137.00) (   0.21,-136.06)  107.33                80
 05/13/2024   10:48:47   (  -0.01,-137.01) (   0.98,-141.32)  491.73                80
 05/14/2024   10:32:42   (  -0.01,-137.00) (  -0.04,-136.78)   24.92                80
 05/16/2024   22:35:52   (   0.01,-136.98) (  -0.09,-137.55)   64.15                80
 05/17/2024   22:16:40   (   0.01,-136.97) (   0.93,-133.01)  452.27                54
 05/19/2024   10:36:12   (  -0.02,-136.97) (   0.25,-138.27)  147.34                80
 05/20/2024   10:20:06   (  -0.02,-136.96) (  -0.72,-133.72)  368.69                80
 05/21/2024   22:39:20   (   0.02,-136.93) (  -0.47,-139.01)  237.83                80