Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 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)
 08/13/2024   10:25:00   (  -0.01,-137.00) (  -0.36,-135.33)  188.94                80
 08/14/2024   22:46:56   (   0.01,-136.97) (  -0.82,-140.63)  417.25                80
 08/15/2024   22:30:52   (   0.02,-136.96) (   0.22,-136.10)   98.14                80
 08/18/2024   10:33:54   (  -0.02,-136.93) (  -0.03,-136.83)   11.48                80
 08/20/2024   22:34:24   (   0.02,-136.88) (  -0.14,-137.58)   80.59                80
 08/21/2024   22:18:18   (   0.02,-136.86) (   0.87,-133.05)  434.47                80
 08/23/2024   10:37:24   (  -0.02,-136.84) (   0.32,-138.30)  167.86                80
 08/24/2024   10:21:19   (  -0.02,-136.81) (  -0.70,-133.77)  346.86                80
 08/25/2024   22:40:33   (   0.03,-136.77) (  -0.48,-139.06)  261.10                80