Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 6 8.  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)
 06/09/2024   10:42:50   (  -0.01,-137.00) (   0.62,-139.81)  321.34                80
 06/10/2024   10:26:47   (   0.00,-136.99) (  -0.37,-135.28)  194.29                80
 06/11/2024   22:46:05   (  -0.01,-136.98) (  -0.84,-140.59)  411.89                80
 06/12/2024   22:30:02   (  -0.02,-136.97) (   0.16,-136.06)  103.49                80
 06/14/2024   10:49:12   (   0.02,-136.96) (   0.98,-141.34)  498.63                80
 06/15/2024   10:33:08   (   0.02,-136.95) (  -0.03,-136.81)   16.53                80
 06/17/2024   22:33:43   (  -0.02,-136.92) (  -0.16,-137.59)   76.24                80
 06/18/2024   22:17:40   (  -0.01,-136.90) (   0.85,-133.06)  438.02                80
 06/20/2024   10:36:49   (   0.00,-136.87) (   0.33,-138.33)  166.05                80
 06/21/2024   10:20:46   (   0.00,-136.85) (  -0.69,-133.80)  347.67                80