Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 8 2.  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)
 08/02/2025   22:31:16   (   0.00,-137.00) (   0.19,-136.26)   85.21                80
 08/05/2025   10:34:19   (   0.00,-136.97) (  -0.02,-136.99)    2.71                80
 08/07/2025   22:34:50   (  -0.01,-136.95) (  -0.22,-137.75)   92.58                80
 08/08/2025   22:18:46   (  -0.01,-136.93) (   0.80,-133.22)  422.41                80
 08/10/2025   10:40:33   (   0.02,-136.90) (   0.40,-138.49)  180.96                80
 08/11/2025   10:19:08   (   0.01,-136.89) (  -0.62,-133.96)  333.63                80
 08/12/2025   22:41:05   (  -0.02,-136.86) (  -0.55,-139.26)  273.49                80
 08/13/2025   22:25:00   (  -0.02,-136.84) (   0.48,-134.73)  240.75                80
 08/15/2025   10:46:48   (   0.02,-136.81) (   0.73,-140.00)  363.85                80
 08/16/2025   10:25:23   (   0.02,-136.78) (  -0.29,-135.47)  149.71                80