Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 11 23.  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)
 11/24/2025   10:52:28   (   0.01,-137.00) (   0.96,-141.30)  490.18                80
 11/25/2025   10:31:05   (   0.02,-136.99) (  -0.00,-136.77)   25.13                80
 11/27/2025   22:34:23   (   0.00,-136.98) (  -0.13,-137.57)   66.99                80
 11/28/2025   22:15:40   (   0.01,-136.97) (   0.91,-133.05)  447.63                80
 11/30/2025   10:40:10   (  -0.00,-136.95) (   0.32,-138.31)  155.97                80
 12/01/2025   10:18:47   (  -0.00,-136.93) (  -0.71,-133.79)  358.35                80
 12/02/2025   22:40:46   (  -0.01,-136.91) (  -0.48,-139.10)  249.13                80
 12/03/2025   22:24:43   (  -0.01,-136.89) (   0.50,-134.57)  264.58                80
 12/05/2025   10:46:33   (   0.02,-136.86) (   0.67,-139.85)  340.84                80
 12/06/2025   10:25:10   (   0.01,-136.83) (  -0.31,-135.32)  172.15                80