Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 9 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)
 09/10/2024   22:40:21   (  -0.01,-136.96) (  -0.45,-138.96)  227.87                80
 09/11/2024   22:24:15   (  -0.00,-136.95) (   0.55,-134.42)  287.92                80
 09/13/2024   10:43:20   (  -0.01,-136.93) (   0.63,-139.67)  313.64                80
 09/14/2024   10:27:14   (  -0.00,-136.91) (  -0.38,-135.13)  201.99                80
 09/15/2024   22:46:27   (   0.00,-136.88) (  -0.80,-140.42)  403.79                80
 09/16/2024   22:30:20   (  -0.00,-136.86) (   0.22,-135.88)  111.71                80
 09/18/2024   10:49:25   (   0.00,-136.83) (   0.98,-141.13)  490.07                80
 09/19/2024   10:33:18   (   0.00,-136.81) (  -0.05,-136.59)   25.15                80
 09/21/2024   22:33:44   (  -0.00,-136.74) (  -0.10,-137.33)   66.67                80
 09/22/2024   22:17:37   (  -0.00,-136.71) (   0.89,-132.78)  448.07                80