Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 10 20.  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)
 10/20/2024   10:53:20   (  -0.00,-136.98) (   0.95,-141.33)  495.52                80
 10/21/2024   10:31:56   (  -0.00,-136.97) (  -0.06,-136.80)   20.14                80
 10/23/2024   22:37:47   (   0.00,-136.96) (  -0.15,-137.56)   68.94                80
 10/24/2024   22:16:23   (   0.01,-136.95) (   0.87,-133.03)  446.54                80
 10/26/2024   10:40:50   (  -0.00,-136.92) (   0.31,-138.29)  156.12                80
 10/27/2024   10:19:26   (  -0.01,-136.91) (  -0.72,-133.76)  359.25                80
 10/28/2024   22:44:02   (  -0.00,-136.90) (  -0.47,-139.05)  245.37                80
 10/29/2024   22:22:37   (   0.00,-136.89) (   0.51,-134.51)  270.04                80
 10/31/2024   10:47:04   (   0.01,-136.85) (   0.64,-139.78)  332.78                80
 11/01/2024   10:25:38   (   0.01,-136.83) (  -0.35,-135.24)  182.13                80
 11/02/2024   22:50:14   (  -0.03,-136.81) (  -0.87,-140.52)  423.74                80