Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 3 12.  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)
 03/13/2024   22:35:45   (  -0.01,-137.00) (  -0.13,-137.64)   72.35                80
 03/14/2024   22:14:22   (  -0.01,-137.00) (   0.88,-133.12)  443.55                80
 03/16/2024   10:38:51   (   0.02,-137.01) (   0.31,-138.39)  156.72                80
 03/17/2024   10:17:28   (   0.02,-137.00) (  -0.71,-133.86)  358.78                80
 03/18/2024   22:42:05   (  -0.03,-136.98) (  -0.54,-139.16)  248.44                80
 03/19/2024   22:20:41   (  -0.03,-136.97) (   0.48,-134.63)  266.88                80
 03/21/2024   10:45:11   (   0.04,-136.97) (   0.70,-139.90)  334.07                80
 03/22/2024   10:23:47   (   0.04,-136.96) (  -0.32,-135.37)  181.08                80
 03/23/2024   22:48:26   (  -0.04,-136.94) (  -0.85,-140.69)  426.59                80
 03/24/2024   22:27:01   (  -0.04,-136.93) (   0.11,-136.15)   88.39                80