Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 3 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)
 03/01/2025   22:18:27   (   0.00,-137.00) (   0.90,-133.09)  445.71                80
 03/03/2025   10:40:14   (  -0.00,-136.99) (   0.28,-138.36)  155.81                80
 03/04/2025   10:18:48   (  -0.00,-136.98) (  -0.68,-133.82)  359.86                80
 03/05/2025   22:40:46   (   0.00,-136.97) (  -0.49,-139.13)  246.19                80
 03/06/2025   22:24:41   (   0.00,-136.96) (   0.53,-134.61)  268.97                80
 03/08/2025   10:46:29   (  -0.01,-136.94) (   0.62,-139.88)  333.91                80
 03/09/2025   10:27:43   (  -0.01,-136.93) (  -0.35,-135.34)  181.00                80
 03/10/2025   22:47:00   (   0.01,-136.91) (  -0.80,-140.65)  425.85                80
 03/11/2025   22:30:55   (   0.01,-136.90) (   0.18,-136.11)   89.13                80
 03/14/2025   10:33:57   (  -0.01,-136.86) (  -0.02,-136.85)    1.12                80