Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 11 1.  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)
 11/01/2025   22:23:53   (   0.00,-137.05) (   0.60,-134.42)  299.20                80
 11/03/2025   10:45:38   (  -0.00,-137.05) (   0.58,-139.68)  299.59                80
 11/04/2025   10:24:11   (   0.00,-137.05) (  -0.44,-135.14)  217.92                80
 11/05/2025   22:46:05   (  -0.00,-137.05) (  -0.73,-140.43)  384.82                80
 11/06/2025   22:29:59   (  -0.00,-137.05) (   0.29,-135.90)  132.24                80
 11/08/2025   10:51:42   (   0.01,-137.03) (   0.94,-141.14)  468.10                80
 11/09/2025   10:30:16   (   0.01,-137.02) (  -0.08,-136.60)   48.51                80
 11/11/2025   22:33:24   (   0.01,-137.01) (  -0.05,-137.36)   39.84                80
 11/12/2025   22:17:17   (   0.02,-137.00) (   0.98,-132.82)  476.58                80
 11/14/2025   10:39:00   (  -0.02,-136.98) (   0.24,-138.06)  124.10                80
 11/15/2025   10:17:34   (  -0.02,-136.97) (  -0.79,-133.53)  392.13                80