Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2025 8 11.  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   22:41:06   (  -0.01,-137.01) (  -0.50,-139.27)  257.44                80
 08/13/2025   22:25:00   (  -0.01,-137.01) (   0.47,-134.73)  259.05                80
 08/15/2025   10:46:49   (   0.02,-137.00) (   0.68,-140.01)  342.75                80
 08/16/2025   10:25:24   (   0.02,-136.99) (  -0.35,-135.48)  173.08                80
 08/17/2025   22:47:20   (  -0.02,-136.99) (  -0.88,-140.77)  431.73                80
 08/18/2025   22:31:15   (  -0.03,-136.98) (   0.15,-136.24)   83.72                80
 08/21/2025   10:34:18   (   0.04,-136.94) (   0.03,-136.98)    4.31                80
 08/23/2025   22:34:49   (  -0.04,-136.92) (  -0.21,-137.75)   94.09                80
 08/24/2025   22:16:03   (  -0.04,-136.91) (   0.77,-133.21)  421.12                80