Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 4 22.  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)
 04/22/2024   10:45:25   (   0.01,-137.01) (   0.66,-139.91)  329.91                80
 04/23/2024   10:24:01   (   0.00,-137.02) (  -0.38,-135.38)  187.02                80
 04/24/2024   22:48:36   (  -0.01,-137.01) (  -0.83,-140.67)  417.70                80
 04/25/2024   22:27:12   (  -0.01,-137.00) (   0.21,-136.14)   98.85                80
 04/28/2024   10:32:54   (   0.02,-136.99) (  -0.04,-136.87)   15.35                80
 04/30/2024   22:33:22   (  -0.02,-136.96) (  -0.19,-137.61)   75.80                80
 05/01/2024   22:17:17   (  -0.02,-136.94) (   0.82,-133.08)  439.85                80
 05/03/2024   10:36:24   (   0.02,-136.93) (   0.32,-138.35)  161.19                80
 05/04/2024   10:20:19   (   0.03,-136.91) (  -0.70,-133.81)  354.26                80
 05/05/2024   22:39:33   (  -0.02,-136.88) (  -0.50,-139.10)  252.96                80