Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 7 10.  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)
 07/11/2024   10:46:05   (   0.01,-137.01) (   0.64,-139.87)  326.22                80
 07/12/2024   10:24:41   (   0.01,-137.01) (  -0.34,-135.34)  190.07                80
 07/13/2024   22:46:39   (  -0.01,-137.01) (  -0.81,-140.65)  415.07                80
 07/14/2024   22:30:35   (  -0.01,-137.00) (   0.17,-136.11)  100.88                80
 07/17/2024   10:33:40   (   0.02,-136.98) (  -0.03,-136.85)   15.02                80
 07/19/2024   22:34:12   (  -0.02,-136.95) (  -0.18,-137.62)   77.11                80
 07/20/2024   22:18:08   (  -0.02,-136.93) (   0.81,-133.08)  437.50                80
 07/22/2024   10:37:16   (   0.02,-136.90) (   0.37,-138.35)  165.71                80
 07/23/2024   10:21:13   (   0.02,-136.88) (  -0.69,-133.83)  348.56                80