Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 7 26.  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)
 07/27/2025   22:41:05   (  -0.00,-137.00) (  -0.51,-139.27)  258.12                80
 07/28/2025   22:25:01   (  -0.01,-137.00) (   0.51,-134.74)  258.06                80
 07/30/2025   10:46:48   (   0.01,-136.99) (   0.69,-140.00)  343.89                80
 07/31/2025   10:25:23   (   0.01,-136.98) (  -0.32,-135.47)  171.86                80
 08/01/2025   22:47:21   (  -0.01,-136.98) (  -0.83,-140.79)  433.12                80
 08/02/2025   22:31:15   (  -0.01,-136.97) (   0.13,-136.24)   82.26                80
 08/05/2025   10:31:39   (   0.01,-136.93) (  -0.00,-136.99)    7.09                80
 08/07/2025   22:34:50   (  -0.02,-136.89) (  -0.23,-137.75)   98.44                80
 08/08/2025   22:18:46   (  -0.02,-136.87) (   0.79,-133.22)  415.91                80