Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 2 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)
 02/28/2025   22:34:31   (   0.01,-137.00) (  -0.11,-137.62)   70.44                80
 03/01/2025   22:18:27   (   0.01,-137.00) (   0.90,-133.09)  445.72                80
 03/03/2025   10:40:14   (  -0.01,-136.99) (   0.28,-138.36)  155.99                80
 03/04/2025   10:18:48   (  -0.01,-136.98) (  -0.68,-133.82)  359.64                80
 03/05/2025   22:40:46   (   0.01,-136.97) (  -0.48,-139.13)  246.39                80
 03/06/2025   22:24:41   (   0.01,-136.96) (   0.55,-134.61)  268.72                80
 03/08/2025   10:43:48   (  -0.01,-136.94) (   0.67,-139.87)  334.39                80
 03/09/2025   10:27:43   (  -0.02,-136.93) (  -0.36,-135.34)  180.47                80
 03/10/2025   22:46:59   (   0.02,-136.91) (  -0.84,-140.64)  426.33                80
 03/11/2025   22:30:55   (   0.02,-136.89) (   0.20,-136.12)   88.63                80
 03/14/2025   10:33:57   (  -0.02,-136.85) (  -0.05,-136.86)    3.08                80