Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 10 24.  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)
 10/24/2024   22:16:24   (   0.01,-136.95) (   0.88,-133.03)  446.27                80
 10/26/2024   10:40:51   (  -0.01,-136.92) (   0.31,-138.29)  156.58                80
 10/27/2024   10:19:27   (  -0.01,-136.91) (  -0.71,-133.76)  358.69                80
 10/28/2024   22:44:03   (   0.00,-136.90) (  -0.50,-139.05)  246.04                80
 10/29/2024   22:22:38   (   0.00,-136.88) (   0.53,-134.52)  269.26                80
 10/31/2024   10:47:06   (   0.01,-136.85) (   0.64,-139.78)  333.78                80
 11/01/2024   10:25:40   (   0.01,-136.83) (  -0.33,-135.24)  181.00                80
 11/02/2024   22:48:12   (  -0.02,-136.81) (  -0.86,-140.54)  425.04                45
 11/03/2024   22:31:31   (  -0.02,-136.78) (   0.13,-135.99)   89.29                80
 11/06/2024   10:34:33   (   0.03,-136.70) (   0.03,-136.72)    1.78                80