Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 10 28.  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)
 10/29/2025   10:39:32   (  -0.01,-136.99) (   0.25,-138.21)  138.33                80
 10/30/2025   10:18:05   (  -0.02,-137.00) (  -0.75,-133.67)  379.09                80
 10/31/2025   22:42:40   (   0.01,-137.00) (  -0.42,-138.96)  223.69                80
 11/01/2025   22:21:13   (   0.02,-137.00) (   0.59,-134.42)  293.57                80
 11/03/2025   10:45:37   (  -0.01,-136.99) (   0.59,-139.68)  305.59                80
 11/04/2025   10:24:11   (  -0.00,-136.99) (  -0.43,-135.14)  211.32                80
 11/05/2025   22:48:44   (  -0.01,-136.98) (  -0.79,-140.42)  392.67                80
 11/06/2025   22:27:18   (  -0.01,-136.97) (   0.23,-135.88)  123.53                80
 11/08/2025   10:51:42   (   0.02,-136.95) (   0.94,-141.14)  477.40                80
 11/09/2025   10:30:16   (   0.01,-136.93) (  -0.08,-136.60)   38.28                80