Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 8 12.  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)
 08/12/2025   22:41:05   (  -0.01,-137.01) (  -0.54,-139.26)  257.33                80
 08/13/2025   22:25:01   (  -0.01,-137.01) (   0.48,-134.73)  259.20                80
 08/15/2025   10:46:49   (   0.02,-137.00) (   0.66,-140.01)  342.80                80
 08/16/2025   10:25:23   (   0.02,-136.99) (  -0.30,-135.47)  173.07                80
 08/17/2025   22:47:20   (  -0.02,-136.99) (  -0.86,-140.78)  431.40                80
 08/18/2025   22:31:15   (  -0.03,-136.98) (   0.17,-136.25)   84.15                80
 08/21/2025   10:34:17   (   0.04,-136.94) (   0.07,-136.97)    4.97                80
 08/23/2025   22:34:48   (  -0.04,-136.92) (  -0.24,-137.74)   93.49                80
 08/24/2025   22:18:43   (  -0.04,-136.91) (   0.79,-133.21)  421.80                80
 08/26/2025   10:40:31   (   0.04,-136.88) (   0.42,-138.47)  181.85                80