Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 8 14.  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)
 08/14/2024   22:46:57   (   0.01,-136.97) (  -0.82,-140.63)  417.34                80
 08/15/2024   22:30:52   (   0.02,-136.96) (   0.21,-136.10)   97.98                80
 08/18/2024   10:33:55   (  -0.02,-136.93) (  -0.06,-136.84)   11.17                80
 08/20/2024   22:34:25   (   0.02,-136.88) (  -0.16,-137.59)   81.29                80
 08/21/2024   22:18:20   (   0.02,-136.86) (   0.90,-133.06)  433.67                80
 08/23/2024   10:37:27   (  -0.02,-136.84) (   0.32,-138.31)  168.87                80
 08/24/2024   10:21:21   (  -0.02,-136.81) (  -0.68,-133.78)  345.69                80
 08/25/2024   22:40:37   (   0.03,-136.77) (  -0.48,-139.07)  262.57                80
 08/26/2024   22:24:31   (   0.03,-136.74) (   0.54,-134.54)  251.55                80