Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 3 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)
 03/08/2024   22:29:24   (   0.00,-137.00) (   0.19,-136.11)  100.81                80
 03/11/2024   10:32:30   (  -0.01,-137.00) (  -0.06,-136.87)   15.79                80
 03/13/2024   22:33:05   (   0.00,-136.98) (  -0.13,-137.65)   75.61                80
 03/14/2024   22:17:02   (   0.00,-136.97) (   0.88,-133.12)  439.52                80
 03/16/2024   10:36:11   (  -0.00,-136.96) (   0.30,-138.39)  162.78                80
 03/17/2024   10:20:08   (  -0.00,-136.95) (  -0.71,-133.86)  351.87                80
 03/18/2024   22:39:26   (   0.01,-136.92) (  -0.47,-139.17)  256.04                80
 03/19/2024   22:23:22   (   0.01,-136.91) (   0.49,-134.63)  258.48                80
 03/21/2024   10:42:31   (  -0.01,-136.89) (   0.69,-139.90)  344.53                80