Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 8 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)
 08/01/2025   22:47:21   (   0.02,-137.00) (  -0.80,-140.79)  431.12                80
 08/02/2025   22:31:16   (   0.02,-137.00) (   0.16,-136.25)   84.67                80
 08/05/2025   10:34:20   (  -0.03,-136.97) (  -0.04,-137.00)    2.98                80
 08/07/2025   22:34:52   (   0.04,-136.94) (  -0.14,-137.77)   94.34                80
 08/08/2025   22:18:47   (   0.04,-136.93) (   0.88,-133.24)  420.41                80
 08/10/2025   10:37:54   (  -0.05,-136.90) (   0.32,-138.50)  183.34                80
 08/11/2025   10:21:50   (  -0.05,-136.88) (  -0.70,-133.97)  331.16                80
 08/12/2025   22:41:06   (   0.05,-136.85) (  -0.48,-139.28)  276.16                80
 08/13/2025   22:25:02   (   0.05,-136.83) (   0.55,-134.75)  238.04                80
 08/15/2025   10:44:09   (  -0.06,-136.79) (   0.67,-140.01)  366.98                80