Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 11 29.  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)
 11/30/2025   10:40:10   (   0.00,-137.00) (   0.32,-138.31)  150.46                80
 12/01/2025   10:18:47   (   0.01,-136.99) (  -0.71,-133.79)  364.76                80
 12/02/2025   22:40:46   (  -0.00,-136.98) (  -0.48,-139.10)  241.62                80
 12/03/2025   22:24:44   (  -0.00,-136.97) (   0.55,-134.58)  273.02                80
 12/05/2025   10:46:33   (  -0.00,-136.95) (   0.67,-139.85)  331.07                80
 12/06/2025   10:25:11   (  -0.01,-136.93) (  -0.36,-135.33)  182.85                80
 12/07/2025   22:47:10   (   0.01,-136.91) (  -0.82,-140.64)  425.17                80
 12/08/2025   22:31:07   (   0.02,-136.89) (   0.17,-136.11)   88.85                80
 12/11/2025   10:34:14   (  -0.02,-136.85) (  -0.04,-136.87)    2.87                80