Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 11 1.  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)
 11/02/2024   22:47:53   (   0.00,-137.04) (  -0.77,-140.63)  408.74                80
 11/03/2024   22:31:52   (   0.00,-137.04) (   0.24,-136.12)  105.17                80
 11/06/2024   10:32:24   (   0.00,-137.01) (  -0.01,-136.89)   13.37                80
 11/08/2024   22:35:46   (  -0.01,-136.99) (  -0.18,-137.72)   82.50                80
 11/09/2024   22:19:44   (  -0.02,-136.98) (   0.80,-133.20)  430.68                80
 11/11/2024   10:38:58   (   0.02,-136.95) (   0.34,-138.50)  175.59                80
 11/12/2024   10:22:56   (   0.02,-136.94) (  -0.65,-133.98)  337.33                80
 11/13/2024   22:42:17   (  -0.02,-136.92) (  -0.57,-139.30)  272.43                80
 11/14/2024   22:26:16   (  -0.02,-136.90) (   0.44,-134.79)  240.23                80