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) (   0.63,-139.81)  321.25                80
 06/10/2024   10:26:47   (  -0.01,-136.99) (  -0.37,-135.28)  193.98                80
 06/11/2024   22:46:06   (   0.02,-136.98) (  -0.78,-140.60)  412.48                80
 06/12/2024   22:30:02   (   0.02,-136.97) (   0.22,-136.07)  102.72                80
 06/14/2024   10:49:12   (  -0.02,-136.96) (   0.98,-141.34)  499.46                80
 06/15/2024   10:33:08   (  -0.02,-136.95) (  -0.02,-136.81)   15.82                80
 06/17/2024   22:33:44   (   0.03,-136.92) (  -0.10,-137.60)   77.09                80
 06/18/2024   22:17:41   (   0.03,-136.90) (   0.91,-133.07)  437.30                80
 06/20/2024   10:36:50   (  -0.03,-136.87) (   0.27,-138.34)  166.65                80
 06/21/2024   10:20:46   (  -0.03,-136.85) (  -0.69,-133.80)  347.14                80