Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 11 25.  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)
 11/27/2025   22:34:23   (   0.00,-137.00) (  -0.12,-137.57)   65.01                80
 11/28/2025   22:18:20   (   0.00,-136.99) (   0.91,-133.05)  450.05                80
 11/30/2025   10:40:10   (  -0.00,-136.97) (   0.31,-138.31)  153.22                80
 12/01/2025   10:18:47   (  -0.00,-136.96) (  -0.72,-133.79)  361.29                80
 12/02/2025   22:40:47   (   0.00,-136.95) (  -0.48,-139.10)  246.07                80
 12/03/2025   22:24:44   (   0.00,-136.93) (   0.55,-134.58)  267.89                80
 12/05/2025   10:46:33   (  -0.00,-136.89) (   0.67,-139.85)  337.16                80
 12/06/2025   10:25:11   (   0.00,-136.87) (  -0.36,-135.33)  176.29                80
 12/07/2025   22:47:09   (  -0.01,-136.84) (  -0.88,-140.63)  432.36                80
 12/08/2025   22:31:07   (  -0.01,-136.82) (   0.17,-136.11)   81.13                80