Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 5 27.  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)
 05/28/2025   10:27:35   (  -0.00,-137.00) (  -0.38,-135.35)  187.70                80
 05/29/2025   22:49:32   (   0.01,-137.00) (  -0.82,-140.66)  417.53                80
 05/30/2025   22:30:48   (   0.01,-137.00) (   0.21,-136.14)   98.10                80
 06/02/2025   10:33:54   (  -0.02,-136.99) (  -0.07,-136.89)   12.24                80
 06/04/2025   22:34:27   (   0.02,-136.98) (  -0.15,-137.66)   78.06                80
 06/05/2025   22:18:24   (   0.02,-136.98) (   0.88,-133.14)  437.37                80
 06/07/2025   10:37:33   (  -0.03,-136.96) (   0.28,-138.42)  165.39                80
 06/08/2025   10:21:28   (  -0.03,-136.95) (  -0.70,-133.88)  349.55                80
 06/09/2025   22:40:47   (   0.03,-136.94) (  -0.44,-139.20)  257.46                80